Question

You have a 120g yoyo that you are swinging at 0.9m/s. How much energy does it have? How high can it get above the lowest point of the swing without your doing any additional work, or Earth? How high could it get on the Moon, where gravity is 1/6 Earth's?
bobpursley
what is it about this you do not understand? I have already taken the course, it is your turn. I will be happy to critique your thinking and work.