Kathy jumps off a high diving platform with a horizontalvelocity of 3.89 m/s and

Question

Kathy jumps off a high diving platform with a horizontalvelocity of 3.89 m/s and lands in the water 2.1 slater. The acceleration of gravity is 9.8 m/s2. a. How high is the platform? Answer in units ofm. b. How far from the base of the platform does she land? Answerin units of m.12 Kathy jumps off a high diving platform with a horizontalvelocity of 3.89 m/s and lands in the water 2.1 slater. The acceleration of gravity is 9.8 m/s2. a. How high is the platform? Answer in units ofm. b. How far from the base of the platform does she land? Answerin units of m.12

Explanation / Answer

We have a) time of fall t = {2h/g}                 h = 1/2*gt2                    = 1/2*9.8m/s2*(2.1s)2                    = -----------                    = 1/2*9.8m/s2*(2.1s)2                    = ----------- b)    we have R =v*t                     = 3.89m/s*2.1s                     = --------

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