A rock thrown horizontally from the top of a
water tower lands 20.0 m from the base of the
tower. If the rock was initially thrown at a velocity
of 10.0 m/s,
a) how high is the water tower?
b)What is the final velocity of the rock?

Question

A rock thrown horizontally from the top of a
water tower lands 20.0 m from the base of the
tower. If the rock was initially thrown at a velocity
of 10.0 m/s,
a) how high is the water tower?
b)What is the final velocity of the rock?

anonymous · Answer

Okay, so first give me some idea of what class this is for, and what knowledge you have already?

anonymous · Answer

Ah, physics--it's a projectile motion problem.

anonymous · Answer

I've done a), it's just b) that I can't seem to get the right answer for.

anonymous · Answer

Ah, never-mind.  Solved it.

anonymous · Answer

Glad I could help! haha!