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Q: A weightlifter lifts 140 kg to a height of 1.5 m in 10 seconds. What is the power used?
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A building crane lifts a 1500lb steel beam to a height of 45ft in 10 seconds find the power?

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A weightlifter raises a 90-kg barbell from the floor to a height of 2.2 m in 0.6 s What was his average power output during the lift?

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A dc motor running on a potential difference of 25V draws 9.8A It lifts a load of 48lb 12ft?

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