A baseball is released at rest from the top of the Washington Monument. It hits the ground after falling for 6.0 s. What was the height from which the ball was dropped? (assume air resistance is negligible)?

1 Answer
Jan 30, 2018

#180 m#

Explanation:

As the baseball came down only due to the effect of gravity,we can apply the equation,
#s=ut+1/2at^2# (all the symbols are bearing their conventional meaning)

Here,#u=0,a=g,t=6#

So,#s = 180 m#

This is the height,from which the ball was released.