Answers

2015-08-09T12:41:42+05:30
Actually the ans is 20m/s
F=ma
F=100N ,m =25kg,t =5sec
v=Fm/t;100x5/25=20m/s

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2015-08-09T12:44:06+05:30
F = M * A
F= M (final velocity- initial velocity) by time
100 = 25 * v by  5 sec
100*5 = 25v
500 divided by 25 = 20
v = 20m/s
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