A ball is droped gently from the top of a tower and another rball is thrown horizontally at the same time. Which ball hit the ground earlier ?

Options

A. at the same time
B. at more time
C. at less time
D. None of these

Answer

A

Explanation

Both the balls hit the ground at the same time as vertical component of velocity of both balls is zero.
`therefore` time of flight of each ball is = `sqrt(2h/g)`