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CBSE - IX - Physics - Work and Energy

Two labourers weighing 50 kg and 70 kg respectively carried a amss of 50 kg each over a height of 5m in 1 min.
i. Calculate the P.E gained by each of them.
ii. Find the ratio of work done upon the mass by each worker.
iii. What will power exerted by them on the load.
iv. What will be the energy transformation taking place.

Asked by SINDHUJA SRIVASTAVA 10th March 2015, 3:04 PM
Answered by Expert


Answered by Expert 12th March 2015, 4:31 PM

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