1. A projectile is fired at 12.5 m/s at an angle of 53.1 with the horizontal from a point 75.0m above theground.

a. What maximum height does it reach?

b. What horizontal distance does it travel before striking the ground?

c. With what velocity does it strike the ground?

2. Aprojectileisfiredatanangleabovethehorizontal fromapoint80mabovetheground. If the vertical component of the initial velocity is 30 m/supwards,

a. how long does the projectile take to land?

b. calculate the angle if the projectile travels 576 m.