How much energy is lost to a dissipative drag force if a 60-kg person falls at a constant speed for 15 meters?
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Q: Shouldn't r be squared
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A: The kinetic energy of the rock just before it hits the ground will be KE=12mv2=126kg5m/s2=75J
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Q: 2.31 was , thanks
A:
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Q: find the mass of body, when the wight of body = 686N .A 70N .B 76Kg .c 70000g .D 60Kg
A:
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