Question

What would be the possible reason for author’s decision to join Y.M.C.A pool ?

i. his fear of water ii. he loved water sports iii. To overcome his aversion and fear of water iv. I &ii
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Answer 1

Answer:

Power = Work/Time

Work done= Energy consumed by the lamp = 1000 J

Time = 10 s

Power= 1000/10= 100 Js-1=100 W