Physics, 16.01.2021 14:00 cocobelle

An engine develops 10 kW of power. How much time will it take to lift a mass of 250 kg to a height of 40m? A. 10 s
B. 5 s
C. 0.2 s
D. 0.1 s

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An engine develops 10 kW of power. How much time will it take to lift a mass of 250 kg to a height o...