Stone returns to earth

Classical Mechanics Level 3

A stone is thrown vertically upward and returns to earth in 10 sec. How high did it go?

g= 9.81 m/s^2


The answer is 122.625.

Clyd Anthony Lim by Clyd Anthony Lim , 26, Philippines

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1 solution

Alex Li
Mar 28, 2015

1 2 × 9.81 × 5 2 = 122.625 \frac{1}{2}\times9.81\times5^2=\boxed{122.625}

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