a ball of mass .10kg is dropped from a height of 12m. Its momentum when it strikes the ground is

Each polarizing filter will only allow light waves that are oscillating in a plane perpendicular to its axis to pass through, while blocking those oscillating parallel to its axis.

Since the axis of each filter is rotated by 15 degrees with respect to the previous filter, the intensity of the light passing through will decrease by a factor of cos^2(15) for each filter, where cos(15) is the cosine of 15 degrees. Therefore, the intensity of the light emerging from the last filter will be I_0 * cos^2(15) raised to the power of 7, as there are 7 filters in the stack. This can be calculated as approximately 0.048 I_0 or about 4.8% of the original intensity I_0.

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The 0.0490 T of the earth's magnetic field is what causes the compass needle to be deflected.

At a location, the angle formed by the geographic meridian and magnetic meridian is known as the magnetic declination there. The angle between the direction of the earth's overall magnetic field and a horizontal line in the magnetic meridian is known as the magnetic inclination, sometimes known as the angle of dip.

The component of the magnetic field that acts horizontally and causes the deflection of the compass needle is given by:

B horizontal = B * cos(θ)

where B is the magnitude of the magnetic field, and Magnetic Declination is the inclination angle.

Substituting the given values, we get:

B horizontal = 0.0600 T * cos(35.0°)

B horizontal = 0.0490 T

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The line or boundary that forms when two air masses with different temperatures or humidity levels meet is called a front.

A front is a boundary or transition zone that separates two air masses with different characteristics such as temperature, humidity, and density. When two different air masses meet, they do not mix readily due to their different properties, and a front is formed at their boundary. Fronts can be classified into four types: cold fronts, warm fronts, stationary fronts, and occluded fronts, based on the direction of movement and the characteristics of the air masses involved. Fronts are important in weather forecasting as they can cause significant changes in the weather conditions, such as the development of thunderstorms, rain, or snow.

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The magnitude of the electric field and the magnetic field at a given point and time in an electromagnetic wave can be measured using instruments such as electric field probes and magnetic field probes.

These probes are designed to detect the electric and magnetic fields of the wave at a specific point in space and time.

The magnitudes of the electric and magnetic fields in an electromagnetic wave are related to each other and to the speed of light (c) by the following equation:

E = c*B

where E is the magnitude of the electric field, B is the magnitude of the magnetic field, and c is the speed of light in a vacuum.

This equation is known as the wave impedance of free space and expresses the fact that the electric and magnetic fields in an electromagnetic wave are mutually dependent and inextricably linked.

Since the speed of light is a constant in a vacuum, the magnitudes of the electric and magnetic fields in an electromagnetic wave are also related to each other in a constant ratio.

This means that if the magnitude of one field increases or decreases, the magnitude of the other field must also change in a corresponding manner to maintain the constant ratio of the two magnitudes.

In summary, the magnitudes of the electric and magnetic fields in an electromagnetic wave can be measured using appropriate instruments.

These magnitudes are related to each other and to the speed of light by a constant ratio expressed in the wave impedance of free space equation.

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The apparent color of a light source in a strong gravitational field would be shifted towards the red end of the spectrum from the perspective of an observer in a weaker gravitational field.

This is due to gravitational redshift, which occurs when light is emitted from a source in a strong gravitational field and travels to a weaker gravitational field. As the light moves away from the strong gravitational field, it loses energy, causing its frequency to decrease and its wavelength to increase.

This shift towards longer wavelengths corresponds to a shift towards the red end of the spectrum, leading to the observed redshift. This effect has been observed in the light emitted by stars close to black holes.

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Doubling the diameter of the loop increases the area by a factor of four, which results in a four-fold decrease in the rate of change of magnetic flux and hence a four-fold decrease in the induced emf. In general, a loop is a closed path or circuit that goes from one point back to itself.

Doubling the diameter of a loop of wire produces a four-fold decrease in the induced emf, assuming all other factors remain constant. This is because the induced emf is directly proportional to the rate of change of magnetic flux through the loop, and the magnetic flux is proportional to the area of the loop. In mathematics, a loop is a fundamental concept in algebraic topology, where it refers to a path in a topological space that starts and ends at the same point. A loop can be used to define a group structure called a loop group, which has applications in mathematical physics and other areas.

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During the acceleration phase, the tyres' angular displacement is 23.2 rad.

Calculating the angular displacement of the tyres during the acceleration phase requires multiplying their linear displacement by their angular velocity. By multiplying the acceleration by the time of acceleration, the linear displacement of the tyres may be determined.

Calculate the linear displacement of the tires.

Linear displacement = Acceleration x Time = 1.17 m/s2 x 0.55 s = 0.64 m.

Calculate the angular velocity.

Angular velocity = Linear velocity / Radius = 14 m/s / 0.33 m = 42.42 rad/s.

Calculate the angular displacement.

Angular displacement = Angular velocity x Time = 42.42 rad/s x 0.55 s = 23.2 rad.

Therefore, the angular displacement of the tires during the period of acceleration is 23.2 rad.

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The tension in each rod is equal to the product of the mass of the respective block and its distance from the post, multiplied by the angular velocity of the system.

The tension in each rod can be derived from the angular momentum conservation equation. The system's overall angular momentum ought to be constant because the masses are moving in a circular motion.

As a result, the angular momentum of the centre post should equal the sum of the angular momentum of the two blocks. Ma*ra* + mb*rb* = 0, where the common angular velocity of the blocks, is a mathematical expression for this.

The tension in each rod can be determined using this equation:

T = ma*ra*/ra = mb*rb*/rb. As a result, the tension in each rod is determined by multiplying the system's angular velocity by the product of the mass of each block and its distance from the post.

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The magnitude of the force (in n) that the third block applies on the second block is 140N

To determine the magnitude of the force that the third block applies on the second block, we first need to find the acceleration of the blocks.

Using Newton's Second Law (F = ma), we can calculate the acceleration of the smallest block:

35 N = 5 kg * a

a = 7 [tex]m/s^{2}[/tex]

Since the second and third blocks are connected by a rope, they will have the same acceleration as the smallest block.

Next, we can calculate the force that the third block applies on the second block using the equation F = ma:

F = 20 kg * 7 [tex]m/s^{2}[/tex]

F = 140 N

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(a)the final angular speed of the discus is 25.25 rad/s.

(b) the magnitude of the angular acceleration of the discus is 162.2 rad/s^2.

(c)the time interval required for the discus to accelerate from rest to 25.6 m/s is 0.158 s.

(a) The final angular speed of the discus can be calculated using the equation:  v = ωr

where v is the linear speed, ω is the angular speed, and r is the radius of the circle.

At the end of the 1.30 revolutions, the linear speed of the discus is 25.5 m/s, and the radius of the circle is 1.01 m. Therefore, we have:

25.5 m/s = ω × 1.01 m

Solving for ω, we get:

ω = 25.5 m/s / 1.01 m = 25.25 rad/s

Therefore, the final angular speed of the discus is 25.25 rad/s.

(b) The magnitude of the angular acceleration of the discus can be calculated using the equation:

α = (ωf - ωi) / t

where ωi is the initial angular speed (which is zero), ωf is the final angular speed (which we just calculated in part (a)), and t is the time interval during which the acceleration occurs.

The discus is whirled through 1.30 revolutions, which corresponds to an angular displacement of:

θ = 2π × 1.30 = 8.168 radians

The time interval t can be calculated using the formula for angular displacement: θ = ωit + (1/2)αt^2

At the beginning of the motion, the initial angular speed is zero, so the formula simplifies to:  θ = (1/2)αt^2

Substituting the values we have:

8.168 rad = (1/2)αt^2

Solving for α, we get:

α = 2θ / t^2

The time interval t can be found from the linear speed of the discus, which we know is 25.5 m/s. The distance traveled by the discus during the 1.30 revolutions is:

d = 2πr × 1.30 = 8.18 m

The time interval t is therefore:

t = d / v = 8.18 m / 25.5 m/s = 0.321 s

Substituting this value into the expression for α, we get:

α = 2θ / t^2 = 2 × 8.168 rad / (0.321 s)^2 = 162.2 rad/s^2

Therefore, the magnitude of the angular acceleration of the discus is 162.2 rad/s^2.

(c) The time interval required for the discus to accelerate from rest to 25.6 m/s can be found using the formula: v = at

where v is the final linear speed, a is the constant linear acceleration, and t is the time interval.

The acceleration of the discus is given by the expression we found in part (b), which is 162.2 rad/s^2. The final linear speed is 25.6 m/s. Therefore, we have:

25.6 m/s = (162.2 rad/s^2) × t

Solving for t, we get:

t = 25.6 m/s / (162.2 rad/s^2) = 0.158 s

Therefore, the time interval required for the discus to accelerate from rest to 25.6 m/s is 0.158 s.

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The angle of the first-order maximum for the 450 nm wavelength blue light falling on a pair of slits separated by 0.035 mm is approximately 0.737 degrees.

To find the angle (in degrees) of the first-order maximum for the 450 nm wavelength blue light falling on a pair of slits separated by 0.035 mm, we'll use the double-slit interference formula:
d * sin(θ) = m * λ

Where:
- d = distance between slits (0.035 mm)
- θ = angle of the maximum
- m = order of the maximum (1 for the first-order maximum)
- λ = wavelength of the blue light (450 nm)

First, we need to convert the units to be consistent, so let's convert 0.035 mm to nm (1 mm = 1,000,000 nm):
0.035 mm * 1,000,000 nm/mm = 35,000 nm

Now, we'll plug in the values into the formula:
35,000 nm * sin(θ) = 1 * 450 nm

Next, we'll isolate θ by dividing both sides by 35,000 nm:
sin(θ) = 450 nm / 35,000 nm

Then, we'll calculate sin(θ):
sin(θ) ≈ 0.012857

Now, we'll find the angle θ by taking the inverse sine (sin⁻¹) of 0.012857:
θ ≈ sin⁻¹(0.012857) ≈ 0.737 degrees

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Explanation:

2/3  * 5/7 * 6/5 =   60 / 105 =   12:21   = 4:7

The angular acceleration of the 0.260-m-radius tires during a very quick stop is approximately 29.62 rad/s², assuming they do not slip on the pavement.

Explanation:

To determine the angular acceleration of the tires during a quick stop, we need to use the given deceleration and the radius of the tires.

During a very quick stop, a car decelerates at 7.70 m/s², and the tires have a radius of 0.260 m. Assuming they do not slip on the pavement, we can find the angular acceleration by following these steps:

Step1. Use the formula for linear acceleration, a = r * α, where a is linear acceleration, r is the radius, and α is angular acceleration.
Step2. Solve for α by dividing both sides by r: α = a / r.
Step3. Substitute the given values: α = (7.70 m/s²) / (0.260 m).

Now, let's calculate the angular acceleration:

α = (7.70 m/s²) / (0.260 m) ≈ 29.62 rad/s²

So, the angular acceleration of the 0.260-m-radius tires during a very quick stop is approximately 29.62 rad/s², assuming they do not slip on the pavement.

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The diver can reduce her moment of inertia by a factor of 3.0 when changing from the straight position to the tuck position. This means that when she is in the tuck position, her moment of inertia is 1/3 of what it is in the straight position.

If she makes 2.0 rotations in 1.0 s when in the tuck position, we can use the formula for angular speed:

angular speed = (number of rotations) / (time)

angular speed = 2.0 rev / 1.0 s

angular speed = 2.0 rev/s

To find her angular speed when in the straight position, we need to use the conservation of angular momentum. When the diver changes her position from the straight to the tuck position, her moment of inertia decreases. To conserve angular momentum, her angular speed must increase.

We can use the formula for conservation of angular momentum:

initial moment of inertia x initial angular speed = final moment of inertia x final angular speed

Let's use subscripts "i" and "f" to represent the initial and final values:

Iiwi = Ifwf

We know that If = (1/3)Ii (since the diver reduces her moment of inertia by a factor of 3.0). We also know that wf = 2.0 rev/s (since she makes 2.0 rotations in 1.0 s in the tuck position). Substituting these values into the equation, we get:

Iiwi = (1/3)Ii (2.0 rev/s)

Simplifying:

wi = (2/3) (1/Ii) (1/s)

wi = (2/3Ii) rev/s

Therefore, the diver's angular speed in the straight position is (2/3) times her angular speed in the tuck position. Plugging in the value for her tuck position angular speed of 2.0 rev/s, we get:

wi = (2/3) (2.0 rev/s)

wi = 1.33 rev/s

So her angular speed when in the straight position is 1.33 rev/s.

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The idea of a spherical Earth has been supported by various observations throughout history. Here are a few of them: a. The Earth's shadow during a lunar eclipse. b. The curvature of the horizon. c. Ships disappearing over the horizon

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If you were to speak on Mars, your voice would sound different due to the atmospheric differences between Mars and Earth. Option (C)

Mars has a much thinner atmosphere than Earth, which means that sound waves would travel differently. The sound waves would be less dense and travel slower, resulting in a lower frequency and longer wavelength. This would make your voice sound deeper and lower in tone. However, the exact effect on your voice would depend on the specific atmospheric conditions at the time and location of your speech. So the correct answer is option c: Your voice would be much lower in tone.

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When you observe a Ferris wheel rotating clockwise, the direction of the angular momentum of a cabin on the wheel is outwards from the center of the wheel and perpendicular to the plane of rotation.

In this scenario, the right-hand rule states that if you curl the fingers of your right hand in the direction of rotation (clockwise in this case), your thumb will point in the direction of the angular momentum. So, as the Ferris wheel rotates clockwise, the angular momentum of a cabin on the wheel will point in the direction of your thumb when you apply the right-hand rule. In this case, the angular momentum of the cabin will be directed outwards from the center of the wheel, or in other words, it will have a direction perpendicular to the plane of rotation.

In summary, for a Ferris wheel rotating clockwise, the direction of the angular momentum of a cabin on the wheel is outwards from the center of the wheel and perpendicular to the plane of rotation. This direction can be determined using the right-hand rule.

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Answer: The system that is colliding maintains its momentum. As a result, the ball B's speed is 2m/s (option -a) when it has the same mass as the ball A.

Describe momentum.

A body's capacity to produce the greatest displacement from an applied force is known as momentum. It is the result of adding mass and speed. The two bodies' total initial momentum and total final momentum are equal in a collision.

Consequently, let u be the starting velocity and v be the ending velocity.

m₁ u₁+ m₂ u₂ = m₁ v₁ + m₁ v₂

m₁ =  0.17 kg

u₁ = 4 m/s

m₂ = 0.17 kg

u₂ = 0

v₁ = v₁ cos 30° = 3.5×√3/2

v₂ = v₂cos 60 = v/2

0.68 kg m/s = (0.17 × 3.5×√3/2 ) +  (0.17 × v₂/2)

3.5×√3/2/2 + v₂/2 = 4

3.5√3 + v₂ = 8

then v₂ = 8-3.5(1.732)

v₂ = 1.94m/s. = 2m/s

Explanation:

An operating system (OS) only interprets some of the level 3 instructions due to the fact that it focuses on resource management and providing a user-friendly environment, whereas the microprogram directly interprets ISA-level instructions to ensure hardware-software compatibility and efficient processing.

An operating system interprets only some of the Level 3 instructions because its primary function is to manage system resources and provide a user-friendly interface. Level 3 instructions are high-level language instructions, which are typically application-specific and executed by individual programs.

The operating system's role is to allocate and manage resources, such as CPU time and memory, for these programs rather than interpreting all their instructions.

On the other hand, a microprogram interprets all ISA-level instructions, which are lower-level and closer to the hardware. ISA-level instructions, or Instruction Set Architecture, form the interface between hardware and software.

Microprogramming is a technique used to implement the processor's control unit and is responsible for executing these ISA-level instructions. It is crucial for the microprogram to interpret all ISA-level instructions to ensure that the hardware and software components of the system can communicate and function seamlessly.

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Using the ideal gas law, the pressure of standard atmospheric air at 273.15 K (0°C) with a particle density of 2.687 x 10^25 particles/m^3 is 101.3 kPa (with a tolerance of +/-2%).

Our gas density calculator uses the following formula to get the gas density: rho = MP/RT = MP/RT. It determines the density using the gas's molar mass, pressure, and temperature. We do not ask you to input R because it is a constant.

PV = nRT, where P is pressure, V is volume, n is the number of moles of gas, R is the ideal gas constant, and T is temperature, is the formula for the ideal gas law.

P = nRT/V

2.687 x 10²⁵particles/m³ x (1 mol/6.022 x 10²³ particles) = 0.0446 mol/m^3

Substituting these values, we get:

P = (0.0446 mol/m³) x (8.314 J/(mol K)) x (273.15 K) / (1 m³)

P = 101.3 kPa

Using the given tolerance of +/-2%, the pressure of the air is:

P = (1 +/- 0.02) x 101.3 kPa

P =99.3 to 103.3 kPa (rounded to two significant figures)

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If Troy has a high set point, it means that his body is predisposed to maintain a certain weight, which is difficult to change even with dieting and exercise.

Troy's high set point makes it difficult for him to lose weight through dieting because his body is biologically programmed to resist weight loss and maintain a stable weight.

The set point is the weight range that the body defends through various physiological mechanisms, including metabolic rate, hunger, and satiety signals.

When a person tries to lose weight through caloric restriction, their body responds by slowing down the metabolism and increasing hunger signals, making it harder to stick to the diet and maintain the weight loss.

This is why a focus on healthy habits and lifestyle changes, rather than quick-fix diets, is often recommended for sustainable weight management.

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A cyclotron that uses a magnetic field of 0.450 T within a 2.20 m radius to accelerate protons has:

(a) the cyclotron frequency is approximately 4.42 x 10^7 Hz.

(b)  the maximum speed is approximately 3.29 x 10^7 m/s.

(a) The cyclotron frequency is given by the equation:

f = qB/(2πm)

where f is the frequency, q is the charge of the particle, B is the magnetic field, and m is the mass of the particle.

For protons, q = 1.60 x 10^-19 C and m = 1.67 x 10^-27 kg. Substituting these values and the given magnetic field, we have:

f = (1.60 x 10^-19 C)(0.450 T)/(2π)(1.67 x 10^-27 kg) ≈ 4.42 x 10^7 Hz

Therefore, the cyclotron frequency is approximately 4.42 x 10^7 Hz.

(b) The maximum speed acquired by the protons can be found using the equation for the kinetic energy of a particle:

K = 1/2 mv^2

where K is the kinetic energy, m is the mass of the particle, and v is the speed.

In a cyclotron, the magnetic field is used to accelerate the particles in a circular path. The radius of this circular path is given by:

r = mv/(qB)

where r is the radius of the circular path, m is the mass of the particle, v is the speed, q is the charge of the particle, and B is the magnetic field.

Since the protons are accelerated in a circular path, the kinetic energy gained by the particles is converted into an increase in speed. At the maximum speed, the kinetic energy gained by the protons is equal to the potential energy gained in crossing the voltage gap between the dees of the cyclotron. This is given by:

K = qV

where V is the voltage gap between the dees.

Setting K = qV and substituting the equation for r, we have:

qV = 1/2 mv^2

qV = 1/2 m(v^2B^2)/(q^2B^2)

qV = 1/2 mv^2/(qB)

v = (2qV)/(mB^2)

Substituting the given values, we have:

v = (2)(1.60 x 10^-19 C)(10 kV)/(1.67 x 10^-27 kg)(0.450 T)^2 ≈ 3.29 x 10^7 m/s

Therefore, the maximum speed acquired by the protons is approximately 3.29 x 10^7 m/s.

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Don't forget to make brainliest answer

-

a) Here is a sketch of the velocity-time graph for the motion described:

```

| _________

v (m/s)| / \

| / \

| / \

| / \

|___/__________________\___

t=0 15s 3min 3min 30s

```

b)

i. The highest velocity reached by the car is the velocity it travels at during the uniform motion phase, which is constant at the end of the acceleration phase. We can find this velocity using the equation:

v = u + at

where u is the initial velocity (10 m/s), a is the acceleration (1 m/s^2), and t is the time taken to accelerate (15 s).

v = 10 + 1(15) = 25 m/s

So the highest velocity reached by the car is 25 m/s.

ii. The time spent decelerating can be found using the equation:

v = u + at

where v is the final velocity (0 m/s), u is the initial velocity (25 m/s), a is the deceleration (unknown), and t is the time taken to decelerate.

0 = 25 + a(t)

t = -25/a

We know that the distance travelled during deceleration is 500 m, so we can also use the equation:

s = ut + 0.5at^2

where s is the distance travelled (500 m), u is the initial velocity (25 m/s), a is the deceleration (unknown), and t is the time taken to decelerate (from above).

500 = 25(-25/a) + 0.5a(-25/a)^2

500 = -625/a + 3125/a

500a = 3125 - 625

a = 5 m/s^2

Substituting this value of a back into the expression for t, we get:

t = -25/5 = -5 s

Since time cannot be negative, we take the absolute value of t:

t = 5 s

So the time spent decelerating is 5 seconds.

iii. The distance between the speed limit sign and the checkpoint is the sum of the distances travelled during each phase of the motion:

s = ut + 0.5at^2 (for acceleration phase)

s1 = 10(15) + 0.5(1)(15)^2 = 187.5 m

s2 = vt (for uniform motion phase)

s2 = (25)(3)(60) = 4500 m

s3 = vt + 0.5at^2 (for deceleration phase)

s3 = (25)(0) + 0.5(5)(5)^2 = 62.5 m

s_total = s1 + s2 + s3 = 187.5 + 4500 + 62.5 = 4750 m

So the distance between the speed limit sign and the checkpoint is 4750 meters.

iv. The average velocity for the whole journey is given by the total distance travelled divided by the total time taken:

s_total = 4750 m

t_total = 15 + 180 + 5 = 200 s

v_avg = s_total / t_total = 4750 / 200 = 23.75 m/s

So the average velocity for the whole journey is 23.75 m/s.

Ms. Chavez is most likely trying to teach the nature of a longitudinal wave. This is because the tugging of the elbows up and down creates a disturbance that moves in the same direction as the wave.

The wave travels down the line of students as each student squats and stands, and the disturbance is transmitted through the medium (the line of students) without the individual students actually moving down the line. The concept of a downward signal being passed along the line also indicates that this is a longitudinal wave. Each student squats and stands as the wave passes, demonstrating the nature of a transverse wave.

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The correct answer is option D) A fair and impartial hearing is a legal process necessary to determine the truth in a particular situation.

It is a procedure that calls for both sides to a conflict or investigation to be given the opportunity to present their cases in a fair and impartial way, free from bias or prejudice.

A neutral third party, such as a judge or hearing officer who is fair and unbiased, must conduct the hearing.

The hearing must also follow the procedural guidelines that guarantee fairness, including the rights to present evidence, hear the opposing party's evidence, question it, cross-examine witnesses, and call witnesses.

As it gives both sides the chance to fairly present their cases, the goal of a fair and impartial hearing is to ensure that the truth is established and justice is done.

Complete Question:

What establishes the mechanics of discerning the truth about a particular situation by fairness of a hearing?

A) A trial by jury

B) An independent investigation

C) An expert witness

D) A fair and impartial hearing

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The correct option is D, The net displacement of the particle between 0 seconds and 80 seconds is 20 meters.

Displacement refers to the distance and direction between an initial point and a final point of an object or particle. It is a vector quantity, meaning that it has both magnitude and direction. Displacement can be calculated by subtracting the initial position vector from the final position vector. For example, if an object moves from point A to point B, the displacement vector is the vector that goes from point A to point B.

Displacement is different from distance traveled, which is the total length of the path taken by an object between two points. Displacement takes into account the direction of motion and the final position of the object, while distance traveled does not. Displacement is often used in physics to describe the motion of objects, and is commonly measured in meters or feet.

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The time constant of the circuit is 0.24 seconds, which represents the time it takes for the capacitor to charge to 63.2% of its maximum charge.

The time constant (τ) of an RC circuit is given by the equation τ = RC, where R is the resistance and C is the capacitance. In this case, R = 50.0 ohms and C = 12.0 microfarads, so τ = (50.0 ohms)(12.0 microfarads) = 0.60 milliseconds or 0.00060 seconds.

The time constant represents the time it takes for the capacitor to charge to 63.2% of its maximum charge or discharge to 36.8% of its initial charge. In this circuit, when the switch is closed at t = 0.00s, the capacitor will begin to charge, and it will reach approximately 63.2% of its maximum charge after a one-time constant, or 0.24 seconds.

Therefore, it takes 0.24 seconds for the capacitor in the circuit and charge up to approximately 63.2% of its maximum charge.

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Solar radiation from the sun and terrestrial radiation from the Earth interact differently with the atmosphere, playing crucial roles in warming the planet and maintaining a stable climate.

Radiation from the sun refers to the energy emitted by the sun in the form of electromagnetic waves, which includes visible light, ultraviolet radiation, and other forms of radiation. This energy is absorbed by the Earth and is responsible for heating the planet and driving weather patterns.
On the other hand, radiation from the Earth is the energy emitted by the planet itself as it cools down. This radiation is primarily in the form of infrared radiation and is absorbed by greenhouse gases in the atmosphere, such as carbon dioxide and water vapor, which trap the heat and keep the planet warm. Both types of radiation interact with the atmosphere differently. Solar radiation travels through the atmosphere and is partially reflected, absorbed, and scattered by the various gases and particles in the atmosphere. This interaction is responsible for phenomena like sunsets and the blue color of the sky. Radiation from the Earth, on the other hand, is absorbed by greenhouse gases in the atmosphere and can contribute to global warming. The interaction between Earth's radiation and the atmosphere is complex, but it is clear that the concentration of greenhouse gases in the atmosphere plays a significant role in regulating the Earth's temperature.

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Explanation:

Kinetic energy = 1/2 m v^2

sqrt  ( 2 * KE/m)  = v

 sqrt (2 *  890 000  / 170 000 ) = 3.2 m/s  

When light approaches matter, it can be absorbed by the atoms in the matter,  be transmitted through the matter, or bounce off the matter, and be reflected. Therefore, the correct answer is: d) any of the above

Light is a form of energy that brings about the sensation of sight.  It travels in a straight line path and interacts with matter in different ways. When it approaches matter, it can strike the particles of matter and bounce back following the laws of reflection whereas some part of the light energy gets absorbed.

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