Answer to Question #247322 in Physics for Joy

Question #247322

A crane lifts 1, 800 kg load os scrap metal to a distance of 12 m in 20 s. How much power is delivered to the road?


1
Expert's answer
2021-10-06T08:14:00-0400
"P=\\dfrac{W}{t}=\\dfrac{mgh}{t},""P=\\dfrac{1800\\ kg\\cdot9.8\\ \\dfrac{m}{s^2}\\cdot12\\ m}{20\\ s}=10584\\ W=10.6\\ kW."

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