2) A cricket ball.of mass 70g moving with a velocity of 0.5 m/s is stopped by a player in 0.255.
What is the force applied by the player to stop the ball?
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Answer:
Given:
mass of ball =m=70g=0.070kg
Initial velocity=u= 0.5 m/s
Final velocity =v=0m/s
time=t= 0.5 sec
a= v-u/t
⇒0-0.5/0.5
⇒-1 m/s²
F=m*a
⇒0.07x-1
⇒-0.07 N
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