Answer to Question #179983 in Physics for Charles

Question #179983

a stone is thrown straight downward with an initial speed 9.0m/s from a height of 25m.Find the time taken to reach the ground 


1
Expert's answer
2021-04-13T06:37:56-0400

"h=v_0t+gt^2\/2\\to25=9t+9.81t^2\/2\\to"


"4.905t^2+9t-25=0\\to t=1.52\\ (s)" . Answer

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