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1st Equation of Motion

A ball droppe...

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A ball dropped from a balloon at rest clears a tower 81m high during the last quater second of its journey . Find the height of the balloon and velocity of the body when it reaches the ground.options are(a) 2684.2m , 324.38 m/s(b)2687.3m , 321.12 m/s(c)2786.90m,271.87 m/s(d)2897.7m , 321.12m/s

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