I need help with these four problems.. anyone??

I Need Help With These Four Problems.. Anyone??

Answers

Answer 1
1) 14g
2) 24 fl oz
3)10 cups
4)12 and 1/2 cups

Related Questions

Why do you think psychology courses like this one are often requirements of so many different programs of study ?

Answers

Answer:

Because psychology helps you understand the mind of someone else. It can teach you about traits people may have based on what you see, or a likely personality of someone based on their history, and so many other things. Psychology helps you understand a whole other person, and understanding people is a big part in many things such as medicine, STEM, nursing, teaching, and many other things. Understanding people and the things around you is a necessary skill.

Which stimulus increases blood glucose levels?
Time between meals.
Body cells taking up glucose.
Consuming food.

Answers

Well the options r not well described anyways, the answer goes:
1) Foods rich in carb, sugars, proteins...
2) Lack of activity/exercise
3) Not proper use of medicines
4) Imbalanced hormone
5) Dehydration
6) Stress (in some situations)
7) High intake of unhealthy beverages (i.e, juices, alcohol & alike)
And much more



Hope this was helpful :)

is a paper set on fire and burns to ashes chemical or physical change?

Answers

Answer:

Chemical

Explanation:

Using complete sentences and your own words, describe an example of the water cycle in action. Please use at least two of our key terms for today (Water Cycle, Evaporation, Condensation, Precipitation, Crystallization, Run-off, Transpiration, Aquifer) can you please help me i will give brainlyest it says collage but it is middle school pleas help me.

Answers

Answer:

Where does the water that forms rain come from? How about fog? Where does that come from? Have you ever been asked these questions by people, especially those kids who keep asking, 'Why?' Has someone ever told you that the water falling as snow has always been here, or that the water we use was once dinosaur blood, or that we are drinking someone's sweat, or, worse yet, drinking someone else's… gulp? How can this be possibl…

Explanation:

A baseball player swings his bat with hisarms fully extended. If hisarms are pulled in closer to the body, and he swings again, which of the following is true aboutthe angular momentum and kinetic energy of the player?
Angular Momentum Kinetic Energy
(A) Increases Increases
(B) Increases Remains Constant
(C) Remains Constant Increases
(D) Remains Constant Remains Constant
(E) Decreases Remains Constant

Answers

Answer:

(D) Remains Constant Remains Constant

Explanation:

Taking a swing with his arms closer to his body does not change the angular momentum or kinetic energy of this player.

The angular momentum is constant or stays the same if an object is spinning, except there is an external torque which acts on it. Also the kinetic energy stays constant as long as magnitude still remains the same and the only thing that is changing here is direction

The electric field at a distance of 5cm from the center of a charged dome is 3 * 10 ^ 4 * N * C ^ - 1 . Calculate the charge (Q) on the dome.

Answers

Explanation:

Q is the charge, 9×10^9×3×10^4 is the magnitude ,d = 5 cm therefore q=3×10^4÷5^2=2.7×10^14÷25=1.08×10^13 c

You have a styrofoam container with 751 g of tomato juice (specific heat of 3,980 J/(kg · °C)) at 39.0° and you add a 62 g chunk of ice at 0°C. Assume the liquid and water mix uniformly as the ice melts and determine the final temperature of the mixture (in °C).

Answers

The temperature of the mixture in degrees centigrade is 36.5°C.

The heat lost by the melting ice is equal to the heat gained by the tomato juice and water.

Where;

Heat lost by ice = mL = 0.062 Kg × 33600 J/Kg = 2083.2 J

Heat gained by tomato juice = 0.751 Kg × 3,980 J/kg · °C ( T - 39°C)

Heat gained by water = 0.062 Kg × 4200 J/kg · °C ( T - 0°C)

Hence;

2083.2  = [2988.98T - 116570] + [260.4T - 0]

2083.2 = 2988.98T + 260.4T -  116570

2083.2 =3249.38 T - 116570

2083.2 + 116570 = 3249.38 T

T = 36.5°C

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Two children are riding on a rotating merry-go-round. Child A is at a greater distance from the axis of rotation than child B. Which child has the larger tangential speed?

Answers

Answer:

Child A.

Explanation:

For all points on the merry-go-round, the angular speed ω is the same, as it's the rate of change of the angle rotated regarding time, and all points along the same radius rotate at the same time.Based on the definition of angular velocity, and the definition of angle, we find that there exists a fixed relationship between the angular speed and the tangential speed, as follows:

       [tex]v_{t} = \omega * r (1)[/tex]

So, since ω remains constant, the tangential speed is directly proportional to the distance  from the axis of rotation r.This means that it will be larger for the child A, who is at a greater distance from the axis of rotation than child B.

a student attaches a 0.5 kg object to a 0.7 m string and rotates the object around her head and parallel to the ground. how much tension force is required to make the object rotate with a speed of 12 m/s?​

Answers

The object would have a centripetal acceleration a of

a = (12 m/s)² / (0.7 m) ≈ 205.714 m/s²

so that the required tension in the string would be

T = (0.5 kg) a ≈ 102.857 N ≈ 100 N

(rounding to 1 significant digit)

PLEASE ANSWER ASAP BEFORE MY TEACHER AND MY MOM KILLES ME PLEASE ASAP

The first person with the right answer gets to be a brainlest

In the attachment there is a density column where there is colour

Question: tell me why is the red at the bottom of the density column if it is the least dense

Answers

Answer:

because it’s on the bottom, and to get to that part of it, think of it like that scene from moana when they go down into the realm of monsters they go through the thick parts to get to the thin parts, soo the cube wouldn’t be nearly able to reach that level

Explanation:

Answer:

the red at the bottom should not count, but the red at the top is the least dense because it floats upon the other liquids

Explanation:

hope this helps

A 25 kg box on a horizontal frictionless surface is moving to the right at a speed of 5.0 m s. The box hits and remains attached to one end of a spring of negligible mass whose other end is attached to a wall. As a result, the spring compresses a maximum distance of 0.60 m. (a) i. The spring does work on the box from the moment the box first hits the spring to the moment the spring first reaches its maximum compression. Indicate whether the work done by the spring is positive, negative, or zero.

Answers

Answer:

Explanation:

Work done by the spring is negative .

Work done by force F creating displacement  d is given by the following expression .

Work = F x d

Both force and displacement are vector quantity .

When direction of force and direction of displacement is same , work is positive . When direction of force and direction of displacement is opposite , work is negative .

When spring is compressed , it exerts a restoring or opposing force in a direction opposite to the direction of displacement of box . Hence here force is opposite to displacement . Restoring force acts opposite to displacement . Hence work done by spring on box is negative .

Once again, move the balloon to the right and let it go. Note how fast the balloon moves. Next, brush the balloon against the entire sweater. Allow all the electrons to transfer. Again, move the balloon all the way to the right, let it go, and note how fast it moves. Is there a difference in how fast the balloon moves when the balloon has more electrons and the sweater has fewer electrons?

Answers

Answer:

Yes. The balloon moves faster when it has more electrons and the sweater has fewer electrons

Explanation:

From Plato. Hope this helps!

Answer:

Yes. The balloon moves faster when it has more electrons and the sweater has fewer electrons

Explanation:

Edmentum

Write a paragraph describing Newton's 2nd Law in YOUR OWN WORDS.

Answers

Explanation:

if u apply more force to an object, it accelerates at a higher rate

a car accelerate at 9 m/s squared. Assuming the car starts from rest how far will it travel in 10 seconds

Answers

Answer:

450m

Explanation:

[tex]s = ut + \frac{1}{2} a {t}^{2} \\ s = 0 + t + \frac{1}{2} a {t}^{2} \\ \frac{1}{2 } \times 9 \times {10}^{2} = 450m[/tex]

Brainliest for best answer
Using Hooke's law, what happens when the displacement is tripled?

A.
The restoring force is tripled.
B.
The restoring force is reduced by one third.
C.
The amplitude is reduced by one third.
D.
The spring constant is tripled.

Answers

A. The restoring force is tripled

According to Hook's law, the restoring force  is tripled when the displacement is tripled. Hence, option A is correct.

What is Hook's law?

Hook's law states that, the stress applied on the elastic material is proportional to the strain resulted. The strain of the material is the ratio of the change in length to the original length.

The force applied on the material is directly proportional to the displacement x.

F = -k x

where k is called the spring constant.

As the displacement increases spring constant decreases.

The restoring force is the opposing force to regain the actual size. Thus, as the displacement increases, the force required to bring it to the original position also increases. Thus, option A is correct.

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A 2.34-kg gun has a recoil velocity of 5.2 m/sec. At what velocity does it fire its 95-gram bullets?

Answers

Explanation:

We need to use the conservation of energy to help us solve this one.

The energy imparted onto the bullet projectile is equal to the energy imparted into the recoiling gun. We can ignore potential energy and only consider the kinetic energy of the two masses (bullet and gun).

Remember that kinetic energy is expressed as [tex]K_E = \frac{1}{2}mv^2[/tex]

Conservation of energy means that both the gun and the bullet have the same amount of energy.

[tex]\frac{1}{2}m_gv_g^2 = \frac{1}{2}m_b v_b^2[/tex]

We'll want to put the mass terms into the same units. So the gun has a mass of 2340 grams.

An electron is to be released from rest on the central axis of a uniformly charged disk of radius R. The surface charge density on the disk is +4.00 μC/m^2 and ε0= 8.85 x 10^–12 F/m. What is the magnitude of the electron’s initial acceleration if released at distances of

a. R from the center of the disk?
b. R/100 from the center of the disk?
c. R/1000 from the center of the disk?
d. Why does the acceleration increase only slightly as the release point is moved closer to the disk?

Answers

Answer:

[tex]a=11.86*10^1^5 m/s[/tex]

[tex]a=3.91864074*10^-^2^4 m/s^2[/tex]

[tex]a=3.95426275*10^-^2^4m/s^2[/tex]

Explanation:

From the question we are told that

The surface charge density on the disk is [tex]\sigma=+4.00 \mu C/m^2[/tex]

[tex]\varepsilon _0= 8.85 * 10^–12 F/m.[/tex]

a)Generally the electric field in this situation is given as  is mathematically given as

  [tex]E=\frac{\sigma}{\varepsilon_0} (1-\frac{R}{\sqrt{2}R}[/tex]

  [tex]E=\frac{\sigma}{\varepsilon_0} (1-\frac{1}{\sqrt{2}})[/tex]

  [tex]E=67.48*10^3 f/a[/tex]

Generally the Force of release of the electron  is mathematically given as

[tex]F=eE[/tex]

[tex]F=ma[/tex]

[tex]a*m=\frac{eE}{1}[/tex]

[tex]a=\frac{1.6*10^-^1^9 *67.48*10^3}{9.1*10^3^1}[/tex]

[tex]a=11.86*10^1^5 m/s[/tex]

b)Generally the electric field in R/100 from the center of the disk is given as  is mathematically given as

Generally

 [tex]E=\frac{\sigma}{\alpha \varepsilon_0}(1-\frac{1}{\sqrt{(100)^2} }[/tex]

 [tex]E=\frac{4.0*10^-^6}{2*8.854*10^-^1^2}(1-\frac{1}{\sqrt{(1+(100)^2} })[/tex]

 [tex]E=2.22872692*10^2^7[/tex]

Generally the Force of release of the electron  is mathematically given as

 [tex]a*m=\frac{eE}{1}[/tex]

 [tex]a=\frac{1.6*10^-^1^9 *2.22872692*10^2^7}{9.1*10^3^1}[/tex]

 [tex]a=3.91864074*10^-^2^4 m/s^2[/tex]

c)Generally the electric field in R/1000 from the center of the disk is given as  is mathematically given as

 [tex]E=\frac{\sigma}{\alpha \varepsilon_0}(1-\frac{1}{\sqrt{(1000)^2} }[/tex]

 [tex]E=\frac{4.0*10^-^6}{2*8.854*10^-^1^2}(1-\frac{1}{\sqrt{(1+(1000)^2} })[/tex]

[tex]E=2.24898694*10^2^7[/tex]

Generally the Force of release of the electron  is mathematically given as

 [tex]a*m=\frac{eE}{1}[/tex]

 [tex]a=\frac{1.6*10^-^1^9 *2.24898694*10^2^7}{9.1*10^3^1}[/tex]

 [tex]a=3.95426275*10^-^2^4m/s^2[/tex]

Need help please!!!!!!!!!!!!!!!!!

Answers

Answer:

3 times

Explanation:

F=GMm/^2

if M is tripled,

F'=G3Mm/r^2

→F'=3F

According to Coulomb's Law, how does distance affect the electric force?
A. The electric force only acts on objects that are in contact with
each other.
B. Only in charging by induction can the electric force act at a
distance.
C. Electric force gets stronger as charges get closer together and
gets weaker as charges move farther apart.
D. The electric force is zero if the objects are more than several
centimeters apart.

Answers

Answer:

C option is right.

Explanation:

According to columb's law

F ∝ 1/r²

so as r means distance between charges decrease force F increase and vice versa.

C is the correct answer

A 0.750-m-long pulse is travelling at a speed of 6.12 m/s in a spring. How long does it take the pulse to pass any point on the spring?

Answers

Answer:

0.122secs

Explanation:

Speed  = Distance/Time

Given

Speed = 6.12m/s

Distance = 0.750m

Substitute

Time - Distance//Speed

Time = 0.75/6.12

Time = 0.122secs

Hence it takes the pulse 0.122secs

Can a golf ball bounce like a rubber ball? Due in 1 hour. 15 points.

Answers

Answer:

So, I tested it out and came to a conclusion.

The rubber ball is quite bouncy due to the fact that it is made of rubber which is what makes it bounce back and high, but although the golfball does in fact bounce back it does not bounce as high as the rubber ball due to the fact that it is made of plastic.

Explanation:

Hope this helps you out!

PLEASE HELP THIS IS TIMED!
a constant force is causing a sled to accelerate at 4 m/s^2. If the mass is suddenly cut in half what will the new acceleration be

Answers

3.5 because yea periodt

ANSWER QUICK 30 POINTS
What force controls the movement of the planets around the sun, holds together stars grouped in galaxies, and galaxies grouped in clusters? Thoroughly explain your answer, making sure to include an example and describe how this force keeps planets in orbit. Make sure to write at least 3-5 sentences and proper conventions (spelling, grammar, punctuation, etc.) to respond. Put all answers in your own words (pls dont just take my points :( )

Answers

Answer:

Explanation:

Gravity

An electric eel develops a 450 V potential difference between its head and tail. The eel can stun a fish or other prey by using this potential difference to drive a 0.80 A current pulse for 1.0 ms. What are (a) the energy delivered by this pulse and (b) the total charge that flows

Answers

Answer:

(a) The energy delivered by the pulse is 0.36 J

(b) the total charge that flows is 0.8 mC

Explanation:

Given;

potential difference of the electric eel, V = 450 V

current flow, I = 0.8 A

time of current flow, t = 1.0 ms = 1.0 x 10⁻³ s

(a) The energy delivered by the pulse is calculated as;

E = Pt

where;

t is time

P is power developed = IV

E = (IV)t

E = IVt

where;

I is the current

V is the potential difference

E = 0.8 x 450 x 1.0 x 10⁻³

E = 0.36 J

(b) the total charge that flows is calculated as;

Q = It

where;

I is the current

t is the time

Q = 0.8 x 1.0 x 10⁻³

Q = 0.0008  C

Q =  0.8 mC.

An object's center of mass is _______. Select all that apply. An object's center of mass is _______. Select all that apply. the point about which the net torque is zero the point about which an unconstrained rotation occurs the geometric center of the object the mass-weighted center of the object the point about which the angular momentum is zero Previous AnswersRequest Answer Incorrect; Try Again; 7 attempts remaining

Answers

Answer:

the point about which an unconstrained rotation occurs

the mass-weighted center of the object

Explanation:

The center of mass of an object can be described to be a a position that is defined relative to the object

The center of mass is the average position of every parts of the object. At this point we can assume that all of the mass of this object is concentrated

When weighted according to their masses, the center of mass is the average position of all the parts of the object. While other points in this object are rotating around it, the center of mass would not rotate (fixed).

So the correct options are:

1. the point about which an unconstrained rotation occurs

2. the mass-weighted center of the object

Answer: The correct option is

the point about which an unconstrained rotation occurs

Explanation:

The CENTER OF MASS is the average position of the different parts of the the object system which are weighted base on their masses

If the wrench is initially displaced 0.400 rad from its equilibrium position, what is the angular speed of the wrench as it passes through the equilibrium position

Answers

This question is incomplete, the complete question is;

1.80 kg monkey wrench is pivoted 0.250 m from its center of mass and allowed to swing as a physical pendulum. the period for small angle oscillations is 0.940 s.

a) what is the moment of inertia of the wrench about an axis through the pivot?

b) If the wrench is initially displaced 0.400 rad from its equilibrium position, what is the angular speed of the wrench as it passes through the equilibrium position

Answer:

a) the moment of inertia of the wrench about an axis through the pivot is 0.0987 Kg.m²

b) the angular speed of the wrench as it passes through the equilibrium position is 2.6559 rad/s

Explanation:

Given that

mass m = 1.80 kg

L or d = 0.250 m

period T = 0.940 sec

g = 9.8

a)

we take a look at the expression for the moment of inertia

I = T²mgL / 4π²

we substitute

I = ((0.940)² × 1.80 × 9.8 × 0.250) / 4 × π²

I = 3.896676 / 4 × π²

I = 0.0987 Kg.m²

Therefore the moment of inertia of the wrench about an axis through the pivot is 0.0987 Kg.m²

b)

If the wrench is initially displaced 0.400 rad from its equilibrium position,

the angular speed of the wrench as it passes through the equilibrium position = ?

Using conservation of energy;

mg × d × ( 1 - cos∅) = 1/2×I×w²

we substitute

1.80 × 9.8 × 0.250 × ( 1 - cos(0.400 rad)) =  1/2 × 0.0987  × w²

4.41 × ( 1 - 0.921060994 ) = 0.04935 × w²

0.000441 = 0.04935w²

w² = 0.3481 / 0.04935

w² = 7.0536

w = √7.0536

w = 2.6559 rad/s

Therefore, the angular speed of the wrench as it passes through the equilibrium position is 2.6559 rad/s

A meteor which is moving at a speed of 100 m si
towards Mars is deteced at a height of 207.2 m
from its surface. The meteor reaches the surface of
Mars after 2 s.
What is the gravitational acceleration of Mars?

Answers

Answer:

Acceleration due to gravity of Mars

Explanation:

The greenhouse effect is

Answers

The greenhouse effect is the process by which radiation from a planet's atmosphere warms the planet's surface to a temperature above what it would be without this atmosphere. Radiatively active gases in a planet's atmosphere radiate energy in all directions

___have a definite shape and do not easily take the shape of their container

Answers

Answer:

Explanation:

A solid comes into your hands with a definite shape. Think of something like a rock. It is  not going to be easy to change its shape. So the answer is a solid.

Which of the following is not true about minerals?

A
They always include oxygen and silicon.

B
They are naturally occurring materials.

C
They each have unique properties.

D
They have a crystalline structure.

Answers

A the always include oxygen and silicon

It is not true about minerals, that they always include oxygen and silicon. Option (A) is correct.

Minerals are inorganic, naturally occurring substances with a crystalline structure and a particular chemical makeup. They are solid substances that are created over a long period of time by geological processes in the crust of the Earth.

Even while silicon and oxygen are frequently occurring components in many minerals, not all minerals necessarily contain these elements. Minerals are inorganic, naturally occurring substances with a crystalline structure and a particular chemical makeup. They can be made of a wide range of substances, including silicon and oxygen, among others.

Hence, It is not true about minerals, that they always include oxygen and silicon. Option (A) is correct.

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