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Denn
Answers (1)
Wess, there are 2 cases in this prob: Case 1 U nid to find how long the first rock took to hit the ground: use the formular- s=ut+0.5gt^2 where s=19.6m, u=0, t=? I gor t=1.97s Case 2 The second rock took 1.97s-1s to hit the grnd, use same formula & find u
