a boy weighing 50 kg climbs up a vertical height of 100m in 200 seconds calculate the amount of work done by him and potential energy and power also
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ans is given m = 50 kg , h = 1oom ,t = 200sec . w=? , P.E = ? , P= ?
w= f. s
f = ma
f = 50 × 9.8
f = 490 n
now, w = 490× 100
w= 49000 j
P.E = mgh
p.e = 50× 9.8 × 1oo= 49000 .
P = w ÷ t = 49000 ÷ 200 = 245watts I hope answer will help u ..
w= f. s
f = ma
f = 50 × 9.8
f = 490 n
now, w = 490× 100
w= 49000 j
P.E = mgh
p.e = 50× 9.8 × 1oo= 49000 .
P = w ÷ t = 49000 ÷ 200 = 245watts I hope answer will help u ..
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