Answer to Question #206819 in Mechanical Engineering for Rodel

Question #206819

A marble rolling with speed of 20 cm/s, rolls off the edge of a table that is 800m high. How far horizontally from the table edge does the marble strike the floor?


1
Expert's answer
2021-06-21T05:48:55-0400

1) Find the time it will take to land from 800 m:


"t=\\sqrt{\\frac{2h}{g}}=12.8\\text{ s}."

2) Find the horizontal distance:


"R=v_xt=0.2\u00b712.8=2.56\\text{ m}."


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