A ball of mass 35g travelling horizontally at 20m/s strikes a barrier normally and rebounds with a speed of 3m/s. Find the impulse exerted on...

      

A ball of mass 35g travelling horizontally at 20m/s strikes a barrier normally and rebounds with a speed
of 3m/s. Find the impulse exerted on the ball.

  

Answers


Moraa
Impulse=Ft=m(v-u)= (0.035*20) – (0.035*-3)
=1.26Ns
Note that the two speeds are in opposite directions.
Moraa orina answered the question on April 8, 2018 at 17:25


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