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

Answered by Romal Bhansali | 12 Mar, 2015, 04:31: PM
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