Two carts connected with a compressed spring are placed somewhere along a frictionless track of 4 .
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Question:
Two carts connected with a compressed spring are placed somewhere along a frictionless track of m in length. One cart has a mass of g and the heavier cart has a mass of g The spring is released, and the two carts move off toward the two ends of the track, reaching the ends at the same instant.
a Which cart is initially closer to its end of the track, the light cart or the heavy cart?
b If the heavy cart gains a velocity of ms what is the velocity of the light cart?
c How far from its end of the track is the heavy cart placed initially?
d How much momentum is produced by the release of the spring?
e How much kinetic energy is produced by the release of the spring?
f Energy is always conserved. Where does the kinetic energy of the carts come from?
g If the compression of the spring is increased, which of these answers af will change?
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