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Brelou Brelou
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7 years ago
A  220-kg object is lifted at a constant speed through a height of  42 m by a crane. If the crane takes a total time of  1.8 seconds to lift this object, what is the average power required? Use g = 10 m/s2.
A) 25 kW
B) 51 kW
C) 75 kW
D) 100 kW
E) 150 kW
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Physics

Physics


Edition: 4th
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Quantum physics thus reveals a basic oneness of the universe.
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mtown88mtown88
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4 years ago
A 160-kg object is lifted at a constant speed through a height of 36 m by a crane. If the crane takes a total time of 1.2 seconds to lift this object, what is the average horsepower required?
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7 months ago
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