1. A projectile is fired horizontally from the roof of a building 30.0 m high. Its initial speed is 20.0 m/s.
A. Calculate the time for the projectile to fall to the ground.
B. Calculate the horizontal distance the projectile lands from the building.
2. A projectile is released with an initial speed of 20 m/s at an angle of 40° with the horizontal.
A. Calculate the projectile's maximum height.
B. Calculate its total time in the air.
C. Determine the projectile's velocity at the top of its trajectory.
D. Calculate the horizontal distance (range) the projectile traveled.