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A ball thrown vertically upwards with a speed of 19.6 m/s from the top of a tower returns to the base of tower in 6s. Find the height of tower : ( Assume accelaration due to gravity 9.8m/s2

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A ball thrown vertically upwards with a speed of 19.6 m/s from the top of a tower returns to the base of tower in 6s. Find the height of tower : ( Assume accelaration due to gravity 9.8m/s2




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