Answer to Question #351009 in Physics for Zay Yar Kaung Htet

Question #351009

a ball is thrown horizontally with an initial speed of 10ms from an 80 m cliff.how long does it take to reach the ground?

1
Expert's answer
2022-06-17T08:14:50-0400

Given:

"h=80\\:\\rm m"

"g=9.8\\:\\rm m\/s^2"

"v_0=10\\:\\rm m\/s"


The time of motion is equal to the time of free falling:

"t=\\sqrt{\\frac{2h}{g}}=\\sqrt{\\frac{2*80}{9.8}}=4.0\\:\\rm s"


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