2.49 You throw a small rock straight up from the edge of a highway bridge that...

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2.49 You throw a small rock straight up from the edge of a highway bridge that crosses a river. The rock passes you on its way down, 6.00 s after it was thrown. What is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? Ignore air resistance.

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Answer 1

Answer #1

(miren ,-distance (S)こ28m -t = 6 . Sec ime op flight= 2v where g-acceleahon due to gravity-3-81 9.8 2- As the rodk passes you, the speed is 29. 43 mls Now, noces Path drom bidge to weaten is (13 of mohon) shere u V14S. 4849 V 37. 62 mIs lhus, stodes Speed is 37.Ga mls aust bo

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Answer 2

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