Question

A ball is kicked with an initial velocity of 14 m/s in the horizontal direction and 21 m/s in the vertical direction. (Assume the ball is kicked from the ground.)
(a)
At what speed (in m/s) does the ball hit the ground?

18

Incorrect: Your answer is incorrect.
m/s
(b)
For how long (in s) does the ball remain in the air?

s
(c)
What maximum height (in m) is attained by the ball?

m