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Arlecino [84]
3 years ago
8

Describe responding Variable

Physics
1 answer:
Semenov [28]3 years ago
4 0

Answer:

A responding variable is something that “responds” to changes you make in an experiment. It's the effect or outcome in an experiment. ... The variable you change would be the amount of light. The responding variable would be the height of the plants.

hope it will help you

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30 points, brainiest, high school physics problem, please help with explanations.
Ymorist [56]

Answer:

I think the answer is C too

4 0
3 years ago
a spring is stretched 20 cm by a 30.0 n force. determine the work done in stretching the spring from 0 to 40 cm?
Alekssandra [29.7K]

The work done when a spring is stretched from 0 to 40cm is 4J.

What is work done?

Work done is the magnitude of force multiplied by displacement of an object. It is also the amount of energy transferred to an object when work is done on that.

The work done on the spring to stretch to 40cm is,

F = kx

where F is force, k is force constant.

k = F / x = 10 N / 20 * 10^-2 m = 50 N/m

W = 0.5 * k * (x)^2

where W = work done, k = force constant.

W = 0.5 x 50 x (40 x 10^-2)^2 = 4 J.

Therefore, the work done on the spring when it is stretched to 40cm is 4J.

To learn more about work done click on the given link brainly.com/question/25573309

#SPJ4

3 0
1 year ago
In a certain process, the energy of the system decreases by 250 kJkJ. The process involves 480 kJkJ of work done on the system.
BigorU [14]

Answer:

-730KJ

Explanation:

According to the first law of thermodynamics;

Let the total energy of the system be ∆E

Let heat be q and let work the w

Since the energy decreases ∆E is negative

Since work is done on the system w= positive

So;

- 250 = 480 + q

q = -250 - 480

q=-730KJ

5 0
3 years ago
A winding mountain road is an example of a(n) ____.
Paul [167]
<span>❅☃ Lever
A winding mountain road is a example of a lever.</span>
6 0
3 years ago
A ballistics expert is investigating a crime scene. She is trying to determine the bullet trajectory using tools. Which tool wou
Ilia_Sergeevich [38]
D would be the answer, measuring tape. 
8 0
3 years ago
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