Answer to Question #148687 in Physics for Matt

Question #148687

A ball is tossed at a speed of 25 m/2 horizontally off a cliff of a height h. The ball lands 71.4 m away from the base of the cliff. What was the height of the cliff?

Answer options:
a. 14m
b. 28m
c. 40m
d. 80m
e. 120m

Expert's answer

"t=71.4\/25=2.856(s)"

"h=gt^2\/2=9.81\\cdot 2.856^2\/2=40(m)"

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