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OpenStudy (unofficialllyy):
At a construction site, the site manager notices that a crane takes 20 seconds to lift a 500kg steel beam up to a height of 15 meters. From this information, he calculates the power output of the crane to be what value?
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OpenStudy (unofficialllyy):
@IrishBoy123 I dont understand this one. I know Power= work/time, but how can I solve this without knowing the force?
OpenStudy (irishboy123):
the force is \(W = mg\) |dw:1475006002619:dw|
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