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Q1. A sound wave travelling at 335m/s is emitted by the foghorn of a tugboat. An echo is heard 2.42s later. How far away is the reflecting object?

Q2. A ball with a mass of 0.75 kg is thrown vertically into the air with an initial velocity of 10 m/s. establish the velocity of the ball when it hits the ground if it was initially released 2.0 m above the ground.

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Category:- Physics
Reference No.:- M9173703

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