Projectile Motion Video Lessons

Concept

# Problem: Rank these throws based on the amount of time it takes the ball to hit the ground.Rank from largest to smallest. To rank items as equivalent, overlap them.A. 10 m/s at a 60° angleB. 15 m/s at a 45° angleC. 20 m/s  at 0° D. 10 m/s at a 90° angleE. 15 m/s at a 30° angleF. 15 m/s at a 60° angle

###### FREE Expert Solution

Time taken to hit the ground:

$\overline{){\mathbf{t}}{\mathbf{=}}\frac{\mathbf{2}{\mathbf{v}}_{\mathbf{0}}\mathbf{s}\mathbf{i}\mathbf{n}\mathbf{\theta }}{\mathbf{g}}}$

###### Problem Details

Rank these throws based on the amount of time it takes the ball to hit the ground.

Rank from largest to smallest. To rank items as equivalent, overlap them.

A. 10 m/s at a 60° angle

B. 15 m/s at a 45° angle

C. 20 m/s  at 0°

D. 10 m/s at a 90° angle

E. 15 m/s at a 30° angle

F. 15 m/s at a 60° angle