A Projectile Is Launched at 10

Multiple Choice

A projectile is launched at 10.0 m/s in a direction 45.0 degrees above the horizon.It hits the ground 10.0 m below its initial position.What is its speed just before hitting the ground? Ignore air resistance.

A) 14.1 m/s
B) 17.2 m/s
C) 20.0 m/s
D) 24.1 m/s