Answer:
B) Absorbed energy results in the change in potential energy.
Explanation:
i got it wrong on usatestpreo
Answer:
Impulse = change in momentum w bounce
There are 2 impulses acting. Recoil of the fan going the negative direction and the impulse of the air bouncing off the sail. The greater impulse will bounce so the direction will be to the right moving the craft.
Your weight would change but not your mass, the moon has less gravity so therefore you are going to be lighter :-)
The velocity is 60 because you divide your distance by your time (240÷4=60)
