A 2. 0-kg mass is projected from the edge of the top of a 20-m tall building with a velocity of 24 m/s at some unknown angle above the horizontal. Disregard air resistance and assume the ground is level. What is the kinetic energy of the mass just before it strikes the ground?.
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A 2. 0-kg mass is projected from the edge of the top of a 20-m tall building with a velocity of 24 m...
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