A 15 kg block is accelerated at 2.0 mls2 along a
Chapter 8, Problem 83(choose chapter or problem)
A 15 kg block is accelerated at 2.0 mls2 along a horizontal frictionless surface, with the speed increasing from 10 mls to 30 m/s. What are (a) the change in the block's mechanical energy and (b) the average rate at which energy is transferred to the block? What is the instantaneous rate of that transfer when the block's speed is (c) 10 mls and (d) 30 mls?
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