A Projectile Is Projected from the Origin with a Velocity

Multiple Choice

A projectile is projected from the origin with a velocity of 20.0 m/s at an angle of 30.0 degrees above the horizontal.The projectile lands on a roof that is 4.00 m height.What is the speed when the projectile hits the roof?

A) 19.2 m/s
B) 17.9 m/s
C) 12.5 m/s
D) 9.20 m/s
E) 8.40 m/s