Question

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Answer 1

mass = 15 kg

velocity 1 = 10 m/s

after 10 seconds

velocity 2 = 10 m/s

change in momentum =

force exerted by the body =

Thanks.

Answer 2

Answer:

change in momentum =m(v-u)/t

= 15(10-10)/10= 0 that is there is no change in momentum

force=ma = 15 × 0 = 0 that is there is no force exerted between the duration of time