Question

A rock is thrown horizontally from a bridge with a speed of 26.6 m/s. If the rock is 27.1 meters above the river at the moment of release, find how long the rock is in the air.

Answer 1

Also
Find the horizontal distance to the point of impact from the point of release.
Find the speed with which the rock strikes the river.

Answer 2

(a) 27.1 - 4.9t^2 = 0
using that value of t,
(b) 26.6t
(c) √(26.6^2 + (9.81t)^2)