Answer:
A
Explanation:
The most important part about this is not only that objects pull on each other, but that two objects attract each other with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between them. This is known as Newton's law of universal gravitation.
I think 42… sorry if its wrong :( hope it helps..
Answer: C. 20J
Explanation: im pretty sure sorry if im wrong :(
Answer:
Explanation:
Given
current required 
Internal Resistance 
According to ohm law
Current flows in a conductor is directly Proportional to the voltage applied.



I’m pretty sure it would be sound waves! :)