Question

A hockey ball of mass .2kg travelling at ms-¹ is stick by the hockey stick so as to return it along it's original path with velocity at 2m/s .calculate the change in momentum occurred in the motion of the hockey ball????​

Answer 1

Answer:

A hockey ball of mass 200 g travelling at 10 m s-1 is struck by a hockey stick so as to return it along its original path with a velocity at 5 m s-1. ... Hence, the change in momentum of the hockey ball is 3 kg m sˆ'1.

Explanation:

Answer 2

$\huge\mathfrak\red{answer}$

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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