A machine is able to lift a mass of 200 kg vertically up to the height of 30 m above the ground in 50 seconds. What is the power of the machine?
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0.12 kW
A machine is able to lift 200 kg of bricks vertically up to a height of 30 m above the ground in 50 s. What is the power of the machine ? A. 0.12 kW
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The ans will b 200/50 ,power us equal to work by time that is 4 kgm²s—³
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