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Answer to Question #141060 in Physics for Aryan Patel
Question #141060
A 3kg object falls off an 9 m tall ledge.Due to friction it is only going 10 m/s at the ground.Calculate efficiency
g=9.8
g=9.8
Expert's answer
"\\eta=\\frac{0.5mv^2}{mgh}\\\\\\eta=\\frac{0.5(10)^2}{(9.8)(9)}=0.57"
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