A tennis ball of 0.050 kg was initially pushed down with a velocity of 1.50 m/s from a height of 1.00 m toward the floor. The ball rebounds to a height 35 cm higher than where it was initially. (a) What is the impulse delivered to the tennis ball? (b) If the impact between the floor and the ball lasts for 0.090 s, how much force does the floor exerts on the ball during the collision?

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