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**Horizontal Projectile Motion Question...please help!!**

**1. A ball is thrown horizontally from the top of a building 22.8 m. high. The ball strikes the ground at a point 52.1 m. from the base of the building.**

a. Find the time the ball is in motion.

b. Find the initial velocity of the ball.

c. Find the x component of its velocity just before it strikes the ground.

d. Find the y component of its velocity just before it strikes the ground.

a. Find the time the ball is in motion.

b. Find the initial velocity of the ball.

c. Find the x component of its velocity just before it strikes the ground.

d. Find the y component of its velocity just before it strikes the ground.

**2. vx =**

dx=52.1

t

vfY

voY = 0

aY = -9.8 (gravity)

dY= -22.8

t

dx=52.1

t

vfY

voY = 0

aY = -9.8 (gravity)

dY= -22.8

t

**3. I found the time to be 2.16 s., but the rest is tricking me up. The answer to b can't be zero can it? I don't understand that part, and i'm just at a loss for how to find the x and y components. So please...can anybody give me some help here?**