# Physics (last question)

posted by Elizabeth

A 800 kg projectile is fired vertically upward with an intitial velocity of 50 m/s. Assuming that no friction is present, how high above the ground will the projectile travel?

1. bobpursley

Well, at the apex, the velocity is zero, so

Vf^2=V0^2 -2g*h

solve for h.

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