ball thrown vertically upward initial speed 23 ms then 14 s later stone thrown

A ball is thrown vertically upward with an

initial speed of 23 m/s . Then, 1.4 s later, a

stone is thrown straight up (from the same

initial height as the ball) with an initial speed

of 34 m/s .

How far above the release point will the ball

and stone pass each other? The acceleration

of gravity is 9.8 m/s2 .

Answer in units of m