Barely to complete the loop
Compared to an object that does not roll, but instead slides without friction, should a rolling object be released from the same, a greater, or a lesser height in order just barely to complete the loop the loop?
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A 5.40-g lead bullet traveling at 460 m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in
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