Question

Charnmoved 30 kg of rice bag to 60 m. In 1min, then find the power of charan in doing work​

Answer 1

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$\implies$Mass = 30 kg, height = 2 m, time = 1 min = 60 second and g = 10m/s2 

Energy spent can be calculated as follows: 

mgh/t = 30kg×10ms^−2×2m/60s

= 10W