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CBSE Class 9 Answered

<div>Two labourers weighing 50 kg and 70 kg respectively carried a amss of 50 kg each over a height of 5m in 1 min.</div> <div>i. Calculate the P.E gained by each of them.</div> <div>ii. Find the ratio of work done upon the mass by each worker.</div> <div>iii. What will power exerted by them on the load.</div> <div>iv. What will be the energy transformation taking place.</div>
Asked by SINDHUJA SRIVASTAVA | 10 Mar, 2015, 03:04: PM
Expert Answer
Answered by Romal Bhansali | 12 Mar, 2015, 04:31: PM
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