# Question: a boy throws a baseball horizontally at 12 ms to...

###### Question details

A boy throws a baseball horizontally at 12 m/s to the right from the edge of the roof of a 15-m tall building. (The x-axis is horizontal, positive to the right, x=0 at the edge of the building; and the y-axis is vertical, positive upward).

Find:

a) The initial horizontal component of the velocity
v_{x}

b) The initial vertical component of the velocity
v_{x}

c) The ball strikes the ground after how many seconds?

d) The x component of the ball's velocity just before it strikes the ground is?

e) The magnitude of the ball's total velocity just before it strikes the ground is?