Gabriele reinsch threw a discus 7680 m on july 9 1988 to, Ask an Expert

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Gabriele Reinsch threw a discus 76.80 m on July 9, 1988, to set the women's world record. Assume that she launched the discus with an elevation angle of 45^o and that her hand was 2.0 m above the ground at the instant of launch. What was the initial speed of the discus required to achieve that range?

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