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A ball is thrown vertically downwards with a speed 7.3 m/s from the top of a 51 m tall building. With what speed will it hit
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3-3 m 1s a.-98mls SIm ezuetion By kinematic 2as Vi+ (3m1 .-s1 m) 32-443 mS 32. 463 M Sped Ay

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