A rock thrown with speed 11.0 m/s and launch angle 30.0°

Last updated: 7/10/2022

A rock thrown with speed 11.0 m/s and launch angle 30.0° (above the horizontal) travels a horizontal distance of d = 16.5 m before hitting the ground. From what height was the rock thrown? Use the value g = 9.800 m/s² for the free-fall acceleration.