A 20-n block lifted straight upward by a hand applying a
A 20-N block lifted straight upward by a hand applying a force of 20N has an initial kinetic energy of 16J. If the block is lifted 1 m, how much work does the hand do? What is the block's final kinetic energy?
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A motorcycle has a constant speed of 28.4 m/s as it passes over the top of a hill whose radius of curvature is 159 m. Find the magnitude of the centripetal force
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A 20-N block lifted straight upward by a hand applying a force of 20N has an initial kinetic energy of 16J. What is the block's final kinetic energy
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