Answer:
Useable energy, electricity
Answer: C REFRACTION
Explanation: I took the test and got it right lol <3
The tension in the string and the acceleration must be equal for both masses. (See the free body diagrams)
This is a very valid hypothesis for many reasons. One is that solar systems form from massive amounts of dust, ice, and debris that eventually form into planets and such. This means it is very possible for this 'excess material' if you will to have moved into orbit behind Neptune.
Answer:
C
Explanation:
The kicker exerts more force of the football which is why the football moves when its kicked.