the velocity of a body of mass 10kg increases from 5m/s to 8m/s in 2s. (a)what is the momentum before the force acts? . (b) what is the momentum after the force acts?. (c) what is the gain in momentum per second?.(d) what is the value of force?.
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1. p1= 10×5=50
2.p2= 10×8=80
3.delta p = 80-50=30
4. force=30/2=15
2.p2= 10×8=80
3.delta p = 80-50=30
4. force=30/2=15
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