Answer to Question #336408 in Physics for Jahha

Question #336408

A boulder rolls off a 100m high cliff at a speed of 5m/s. How long will it take for the boulder to hit the ground? How far from the base of the cliff will the boulder land?

Expert's answer

"t=\\sqrt{2H\/g}=\\sqrt{2*100\/9.8}=4.5\\:\\rm s"

"L=v_0t=5*4.5=23\\:\\rm m"

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