Question

Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 16 m/s at an angle 47 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground.

What is the maximum height the ball goes above the ground?

Answer 1

Consider horizontal component: Using the formula:v2=u2+2as
0=(16sin470)2+2(−9.81)ss=6.98m=7.0m(2s.f.)The maximu height from the ground is 8.5m