Question

a ball of mass 200g strikes a wall with speed 10m/s and renounces with speed 6m/s . what is the change in momentum of the ball​


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Answer 1

Answer:

answer is -3Ns

Step-by-step explanation:

Mass of ball(m)=200g=0.2kg

Initial velocity of ball(u)=10ms  −1

Final velocity of ball(v)=5ms  −1

 

Therefore, change in momentum (△p) = Final momentum - initial momentum =m(v−u)=0.2×(−5−10)=−3 kgms  −1

=−3 Ns

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Answer 2

Answer:

Answer Is Wrong If you don't know so why Giving answer