Question

47. A force of 10 Newton acts on a body of mass 20 kg for 10 seconds. The change produced in momentum is given by *

a) 5 kg m/sec

b)100 kg m/sec

C) 200 kg m/sec

d) 2000 kgm/sec

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Answer 1

Answer:

hi ,

Step-by-step explanation:

b.100kg m/ sec

hope it helps you

Good night

Answer 2

Answer:

ANSWER

F=10N,m=20kg,t=10s

a=mF=2010=0.5m/s2

v=u+at=0+0.5×10=5m/s

Change in momentum =m(v−u)=20(5−0)=100kgm/s