10. a 12 kg load hangs from one end of a rope that passes over a small frictionless pulley. a 15 kg counterweight is suspended from the other end of the rope. the system is released from rest.
b. find the acceleration each mass.
c. what is the tension force in the rope?
d. what distance does the 12 kg load move in the first 3 s?
e. what is the velocity of 15 kg mass at the end of 5 s