A 0.30-kg ball is dropped from a height of 3.0 m above the floor. It rebounds to a height of 2.0 m. (a) Find the impulse exerted by the floor of the ball. (b) If the ball was in contact with the floor for 1.5 millisecond, find the average force exerted by the floor on the ball during that time.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A 0.30-kg ball is dropped from a height of 3.0 m above the floor. It rebounds to a
height of 2.0 m. (a) Find the impulse exerted by the floor of the ball. (b) If the
ball was in contact with the floor for 1.5 millisecond, find the average force
exerted by the floor on the ball during that time.
A 0.010 – kg bullet is fired with velocity of 400 m/s into a pendulum bob which
has a mass of 0.990 kg. How high does the pendulum bob (plus bullet) swing
after the collision?
A 2.0 - kg object moving at 3.0 m/s to the right collides with a 3.0 kg object
moving at 2.0 m/s to the left. The coefficient of restitution is 0.6. Find the
velocity of each after the collision.
Transcribed Image Text:A 0.30-kg ball is dropped from a height of 3.0 m above the floor. It rebounds to a height of 2.0 m. (a) Find the impulse exerted by the floor of the ball. (b) If the ball was in contact with the floor for 1.5 millisecond, find the average force exerted by the floor on the ball during that time. A 0.010 – kg bullet is fired with velocity of 400 m/s into a pendulum bob which has a mass of 0.990 kg. How high does the pendulum bob (plus bullet) swing after the collision? A 2.0 - kg object moving at 3.0 m/s to the right collides with a 3.0 kg object moving at 2.0 m/s to the left. The coefficient of restitution is 0.6. Find the velocity of each after the collision.
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