A. a cricket ball of mass 0.5 kg moving with a velocity of 10 m/s is brought to rest by player in 5 s. Find the force applied by the player to stop the ball.
b. A bullet of mass 0.4 kg is shot from a rifle with a speed 100 m/s. if the bullet penetrates through a 5 cm wall with a velocity of 20 m/s, what is the force exerted by the wall on the bullet?
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This answer for A and B ??
a mu/t that is 1N applied to stop the ball
b
b
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mu/t that is 1N applied to stop the ball ?? or 2N
A. a cricket ball of mass 0.5 kg moving with a velocity of 10 m/s is brought to rest by player in 5 s. Find the force applied by the player to stop the ball.
b. A bullet of mass 0.4 kg is shot from a rifle with a speed 100 m/s. if the bullet penetrates through a 5 cm wall with a velocity of 20 m/s, what is the force exerted by the wall on the bullet?
b. A bullet of mass 0.4 kg is shot from a rifle with a speed 100 m/s. if the bullet penetrates through a 5 cm wall with a velocity of 20 m/s, what is the force exerted by the wall on the bullet?
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