A photographer arranges to expose photographs
of a ball describing motion under free fall
such that it is photographed on a vertical scale
starting from zero. He photogaphed it when
the ball was at 76.05 m and the next exposure
was when the ball was at 80 m. The time of
exposure is (g = 10 m/s–2)
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A photographer arranges to expose photographs
of a ball describing motion under free fall
such that it is photographed on a vertical scale
starting from zero. He photogaphed it when
the ball was at 76.05 m and the next exposure
was when the ball was at 80 m. The time of
exposure is (g = 10 m/s–2)
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