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Q1. An airplane is flying with a velocity of 90 m/s at an angle of 25 above the horizontal. When the plane is a distance 126 straight above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.

How far from dog would the suitcase land? You can ignore air resistance.

Q2. A tennis ball is struck at the base line of the court, 12.5 m from the net. The ball is given an initial velocity with the horizontal component equal to 21.0 m/s at an initial elevation of 1.08 m.

(a) What vertical component of initial velocity have to be given to the ball, such that it barely clears the 1.00 m high net?

(b) How far beyond the net would the ball hit the ground?

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Category:- Physics
Reference No.:- M9172587

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