Question

What is the linear momentum of the ball of mass 100 g moving with velocity 20 m/s?​

Answer 1

Answer:

Hence, the answer is P=2000kgm/s

Explanation:

P=m*v

P=100*20

P=2000kgm/s

Answer 2

Explanation:

Initial velocity of ball u=−10 m/s

Initial momentum P

i

=mu=0.1×(−10)=−1 kg m/s

Final velocity of ball v=10 m/s

Final momentum P

f

=mv=0.1×10=1 kg m/s

Time of action t=0.01 s

Using F×t=P

f

−P

i

Or F×0.01=1−(−1)=2

⟹ F=200 N

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