Two boys playing tennis on the top floor of the terrace which is at the height of 80 m from the ground and one boy hit the ball and it is flown off the building with speed 18 m/s. Calculate the speed of the ball just before it reaches the ground. (Ignore air resistance)
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ground and one boy hit the ball and it is flown off the building with speed 18 m/s. Calculate the speed of the ball just before it reaches the ground. (Ignore air resistance)
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