A)
5m/s^2
(12m/s-2m/s)
__________ = 5m/s^2
2s
potential, kinetic, elastc energies
When It begins to drop because that when gravity will have its strongest pull on the object.
Answer:
C
Explanation:
If a pulley system has an efficiency of 74.2%, then only that fraction of the work performed will be useful. 74.2%=0.742. 0.742*200 is about 148J. Hope this helps!