Answer to Question #241192 in Physics for Bonbon

Question

Projectile motion: other applications

1. Jk is on top of the building and jack is down. If Jk throws a ball at an angle of 60 degree and with initial velocity 20 m/s. At what height will the ball reach after 2 s? Consider the motion along the Y-direction.

2. A boy throws a rock with speed
y = 18.3 m/s at an angle of 0 = 57.0" over a building. The rock lands on the roof 15.0 m in the x direction from the boy. How long was the rock in the air? How much taller, height h, is the building than the boy?
Ignore air resistance.

Answer 1

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