Question: a boy throws a baseball horizontally at 12 ms to...
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).
a) The initial horizontal component of the velocity vx
b) The initial vertical component of the velocity vx
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?