Use the table of electric force between objects in two different interactions to answer the question

Which conclusion about the interactions is correct?

A. The objects in interaction A are farther apart than in interaction B.

B. The objects in interaction A are smaller than in interaction B.

C. Repulsive forces are stronger than attractive forces

D. Positive charges are stronger than negative charges.

Answer:B ,0.5

Explanation:M=w/g

M=5/10

M= 0.5kgkg

the average force they applied is

Answer:-These small plants that Paheli saw are weeds and they grow from the seeds dispersed by birds when they come and sit in the garden.

Explanation: Weeds are considered to be a bane for gardeners as these rampantly grow in gardens and hijack the nutrition provided to plants and hinder the latter's growth.

Hi there!

We can begin by solving for the pendulum's velocity at the bottom of its trajectory using the work-energy theorem.

Recall:
[tex]E_i = E_f[/tex]

Initially, we just have Potential Energy. At the bottom, there is just Kinetic Energy.

[tex]PE = KE\\\\[/tex]

Working equation:
[tex]\large\boxed{mgh = \frac{1}{2}mv^2}[/tex]

Rearrange to solve for velocity:
[tex]gh = \frac{1}{2}v^2\\\\v = \sqrt{2gh}\\\\v = \sqrt{2(9.8)(1.5)} = 5.42 \frac{m}{s}[/tex]

Now, we can do a summation of forces:
[tex]\Sigma F = T - W[/tex]

The net force is the centripetal force, so:
[tex]\frac{mv^2}{r} = T - W[/tex]

Rearrange to solve for tension:
[tex]T = \frac{mv^2}{r} + W\\\\T = \frac{5(5.42^2)}{4} + 5(9.8) = \boxed{85.75 N}[/tex]

This question involves the concepts of Newton's Second Law of Motion.

The force delivered to the froghopper as it makes the jump is "0.0792 N".

According to Newton's Second Law of Motion whenever an unbalanced force is applied to an object, acceleration is produced in it in the direction of the force. Mathematically,

F = ma

where,

Therefore,

[tex]F= ma = m\frac{\Delta v}{t}\\\\F = (1.98\ x\ 10^{-5}\ kg)(\frac{4\ m/s}{0.001\ s})\\\\[/tex]

F = 0.0792 N

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The pressure exerted by this force is equal to 320 [tex]N/m^2[/tex].

Given the following data:

To calculate the pressure exerted by this force:

Mathematically, pressure is given by this formula:

[tex]P=\frac{F}{A}[/tex]

Where:

Substituting the given parameters into the formula, we have:

[tex]P = \frac{8000}{25}[/tex]

P = 320 [tex]N/m^2[/tex].

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If they work together, required time to clean the apartment will be 26 minutes.

Time and work are concerned with the amount of time it takes a person or a group of people to complete a task and the effectiveness of the work performed by each of them.

Given parameters:

Adam can clean their apartment in 45 minute

Kevin can clean it in 60 minutes.

So, in 1 minute,  Adam can clean 1/45 part of their apartment.

and, in 1 minute, Kevin can clean 1/60 part of their apartment.

If they work together, in 1 minute, they  can clean = (1/45 + 1/60) part of apartment.

=(4+3)/180 part of apartment.

= 7/180 part of apartment.

Hence,  if they work together, the apartment can be cleaned in 180/7 minutes, that is, in 26 minutes.

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#SPJ5

Answer:

High Points = Crest
Low Points = Troughs

Explanation:

Explanation:

[tex]\large{ \star \fcolorbox{magenta}{purple}{ \fcolorbox{magenta}{blue}{ \fcolorbox{magenta}{pink}{ \fcolorbox{magenta}{red}{ \sf{ añswër}}}}}} \star[/tex]

Answer:

Density is mass per unit volume.

The relationship between density and volume is directly proportional

Answer:

37.8225 J

Explanation:

kinetic energy = 1/2 of mass x [tex]velocity^{2}[/tex]

Btu/(lb-°F) J/(g-°C i mean this is the correct answer

Answer:

0.300 J/(g*C)

Explanation:

Specific heat has a unit that describes the amount of heat (J) is required to raise a unit mass (g) by 1 degree temperature (C),  It should take the form of J/(g*C) if we stick with the metric units provided in the question.  Be aware that specific heat can be written in many different formats, all equivalent, but with differing measures.  Examples:

(BTU/kgC)

kJ/(mole*K)

J/(g*C)

and so on.  The specific heat for a material can be expressed in any of these formats.  There are all equivalent, just expressed with different units.

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In this problem:  (150J)/[(100g)*(5C)] = 0.300 J/(g*C)

An accurate value of specific heat may be used for identification of the metal.  The closest I found is Barium (0.290 J/(g*C) and Zinc (0.388 J/(g*C)

From the law of conservation of momentum, the first egg did not break because it forward momentum is transferred to the cloth while the second egg broke, the block exerts an opposite force equal to the momentum of the egg on the egg.

Momentum is the product of the mass of an object and its velocity of motion.

The law of conservation of momentum states that the momentum of an isolated system of colliding bodies is conserved.

When an egg is thrown on a large sheet of cloth suspended, the egg does not break because the momentum of the egg is transferred to the cloth as it is depressed.

However, a second egg, thrown with similar force at a suspended concrete block, did break on impact because the block does not move forward, instead it exerts an equal but opposite force on the egg resulting in the egg breaking.

Therefore, from the law of conservation of momentum, the first egg did not break because it forward momentum is transferred to the cloth while the second egg broke, the block exerts an opposite force equal to the momentum of the egg on the egg.

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v is velocity, x is position, t is time, and a is acceleration.

Answer:

C) 8

Explanation:

number of atoms for C = 2 × 2 = 4

number of atoms for H = 2 × 2 = 4

4 + 4 = 8

Answer:

yes

Explanation:

No.

Since repeated measurements are taken and the average and 95% confidence interval are calculated, the possibility of the lack of agreement being a random error has been minimized or even eliminated.

Random error is defined as the deviation of the total error from its mean value due to chance.

Random errors can result from the instrument not being precise or from mistakes by the researcher.

Random errors can be minimized by taking multiple readings and averaging the results.

Since repeated measurements are taken and the average and 95% confidence interval are calculated, the possibility of the lack of agreement being a ransom error has been minimized.

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Given what we know, we can confirm that the letter V is often used to describe the typical shape of a mountain valley, while stream bank and stream bed described the side and bottom of a stream respectively.

As shown in the question, there are many ways to describe the different parts of a stream. The side of the stream is referred to as the bank of the stream, along its entire length, while the stream bed is a term used to describe the bottom.

Therefore, we can confirm that the letter V is often used to describe the typical shape of a mountain valley, while stream bank and stream bed described the side and bottom of a stream respectively.

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Answer:

A separation technique to separate solids from a solution. Crystallization can be defined as the process through which the atoms/molecules of a substance arrange themselves in a well-defined three-dimensional lattice and consequently, minimize the overall energy of the system.

Explanation:

Answer:

Explanation:

Crystallization is a technique used for the purification of substances. A separation technique to separate solids from a solution.

Crystallization can be defined as the process through which the atoms/molecules of a substance arrange themselves in a well-defined three-dimensional lattice and consequently, minimize the overall energy of the system. When a substance is subjected to crystallization, its atoms or molecules bind together through well-defined angles.

On adding a solid substance in a liquid and stirring it, the solid dissolves in the fluid. But when adding more and more solid to the liquid, a point comes after which no more solid dissolves in the liquid. This point is called a saturation point and the fluid is called a saturation solution.

Key words and phrases:

saturation, crystallization, solids, liquids, substance, atoms, molecules, saturation solution, saturation point, purification, separation, solution, dissolve

Hope this helps! Brainliest would be much appreciated! Have a great day! :)

Answer:

when the increase of temperature to water the steam is the water evaporated so over time when more heat is applied the more is evaporate so less water

Answer:

47.5J

Explanation:

just find 95% of 50

Answer : 413.44N

Here it is given that an elevator is moving down with an acceleration of 3.36 m/s² . And we are interested in finding out the apparent weight of a 64.2 kg man . For the diagram refer to the attachment .

From the Free body diagram ,

[tex]\sf\longrightarrow Weight = mg - ma \\[/tex]

[tex]\sf\longrightarrow Weight = m ( g - a ) \\[/tex]

[tex]\sf\longrightarrow Weight = 64.2( 9.8 - 3.36) N\\[/tex]

[tex]\sf\longrightarrow Weight = 64.2 * 6.44 N\\[/tex]

[tex]\sf\longrightarrow \underline{\boxed{\bf Weight_{apparent}= 413.44 N }} \\[/tex]

The new volume of the gas will remain the same.

The new volume of the gas can be obtained by using the combined gas equation as illustrated below:

P₁V₁ / T₁ = P₂V₂ / T₂

(PV) / T = (2P × V₂) / 2T

Cross multiply

T × 2P × V₂ = PV × 2T

2PT × V₂ = 2PVT

Divide both side by 2PT

V₂ = 2PVT / 2PT

V₂ = V

Thus, the new volume will remain the same

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Answer:the summery is ...i really don't know the picture is blurry and I cant see can you make it clear?

Explanation:

 The percentage error in his experimental value is -51.97%.

This is the ratio of the error to the actual measurement, expressed in percentage.

To calculate the percentage error of the student, we use the formula below.

Formula:

From the question,

Given:

Substitute these values into equation 1

Hence, The percentage error in his experimental value is -51.97%.

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they are eukaryotes that have cell walls, are heterotrophs that feed by absorbing their food, and use spores to reproduce.

Answer:

Considering the lack of information, this is the best I can do.

The average velocity can be calculated via [tex]\frac{V-V_0}{t} = V_{avg}[/tex].

If there is acceleration instead of V or V not given, use the first kinematic equation: [tex]V = V_0 + at[/tex]

Hope it helps :) and provide more complete information and I can answer better

Answer:54 kj

Explanation:P1 = P2 = 1000 kPa

1Q2 = 84 kJ

1W2 = P1 (V2 – V1)

= 1000 (0.06 – 0.03) = 30 kJ

1Q2 = 1W2 + 1U2

U2 – U1= 1Q2 – 1W2 = 84 – 30 = 54 kJ

Answer:

Hope this helps

Explanation:

The fundamental reason for having a refrigerator is to keep food cold. Cold temperatures help food stay fresh longer. The basic idea behind refrigeration is to slow down the activity of bacteria which all food containsso that it takes longer for the bacteria to spoil the food.

Answer:

9.72s

Explanation:

[tex]\pink{\frak{Given}}\begin{cases}\textsf{ A car starts from rest.}\\\textsf{It has an acceleration of 2m/s$^2$.}\\\textsf{ The final velocity of the car is 70km/hr.}\end{cases}[/tex]

Here we need to find out the time that the car took to achieve the velocity of 70km/hr after starting from rest . Firstly convert the final velocity in m/s by multiplying it by 5/18 , as ,

[tex]\longrightarrow\sf 70km/hr = 70 \times \dfrac{5}{18} m/s =\bf 19.44\ m/s [/tex]

[tex]\longrightarrow\sf a =\dfrac{v - u}{t} [/tex]

Plug in the respective values ,

[tex]\longrightarrow\sf 2m/s^2 = \dfrac{ 19.4 m/s -0m/s}{t} \\ [/tex]

Simplify ,

[tex]\longrightarrow\sf 2m/s^2 =\dfrac{19.4m/s}{t} [/tex]

Cross multiply ,

[tex]\longrightarrow\sf t = \dfrac{19.44m/s}{2m/s^2} [/tex]

Simplify

[tex]\longrightarrow\sf \boxed{\bf t = 9.72 s} [/tex]