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valkas [14]
3 years ago
13

What are five examples that illustrate a machine or a person doing work on another?

Physics
1 answer:
valentina_108 [34]3 years ago
5 0
I sort of understand but what does it mean by.... Another?
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A balloon clings to a wall after it is negatively charged by rubbing.(a) Does that occur because the wall is positively charged?
Ksju [112]

A balloon clings to a wall after it is negatively charged by rubbing because the wall is positively charged.

<h3>Is opposite charge attract each other?</h3>

Yes, opposite charges attract each other. When a positive charge and a negative charge interact with each other, their forces act from the direction of positive to the direction of negative charge. As a result opposite charges attract each other while on the other hand, similar charges repel each other because their forces move in the opposite direction so they repel each other.

So we can conclude that a balloon clings to a wall after it is negatively charged by rubbing because the wall is positively charged.

Learn more about charge here: brainly.com/question/9317875

#SPJ1

8 0
2 years ago
What is the density of lead (in g/cm3) if a rectangular bar measuring 0.50 cm in height, 1.55 cm in width, and 25.00 cm in lengt
Otrada [13]
If you look at the units of density, g/cm^3 you will see it's grams divided by volume (cm^3).

218.9 g / (0.5*1.55*25 cm^3) = 11.3 g/cm^3
4 0
4 years ago
Read 2 more answers
A physics student walks 100 meters in 80 seconds. The student stops for 30 seconds, and then walks 200 meters farther in 90 seco
Elan Coil [88]

Answer:

B i think is the answer

Explanation:

i feel like it is B because if you put them together and the answer is 1.5 so it is B

8 0
3 years ago
Please help mee I’ll give brainliest
madreJ [45]

Answer:

It has potential energy and then the eg=nergy goes to the bug killing it becay=use of the force

Explanation:

"use the force luke"

4 0
3 years ago
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in summer, it is cooler in the ground floor than in the top floor of a building. it is because the warm air rises up due to conv
Ivanshal [37]

Answer:

because heat evaporates water

Explanation:

6 0
4 years ago
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