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Q. what happens to light of a certain frequency when it is incident upon a material whose natural frequency is the same as the frequency of the light?

Q. After a 0.360-kg rubber ball is dropped from a height of 1.80 m, it bounces off a concrete floor and rebounds to a height of 1.40 m.

(a) Determine the magnitude and direction of the impulse delivered to the ball by the floor.

(b)Estimate the time the ball is in contact with the floor to be 0.04 seconds. Calculate the average force the floor exerts on the ball.

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Category:- Physics
Reference No.:- M9223143

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