A crane lifts a 50kg mass to height of 10m. What is the gravitational potentail energy of the mass? (Consider g = 9.8 N/kg)
PE=mgh=50⋅9.8⋅10=4900 (J)PE=mgh=50\cdot9.8\cdot10=4900\ (J)PE=mgh=50⋅9.8⋅10=4900 (J) . Answer
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