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What is the kinetic energy of a 50 kg hammer that hits the floor at a speed of 15 m/s ?
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Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.
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What is the kinetic energy of a 50 kg hammer that hits the floor at a speed of 15 m/s ?...
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