A Bullet Is Fired with a Certain Velocity at an Angle

Multiple Choice

A bullet is fired with a certain velocity at an angle θ above the horizontal at a location where g = 10.0 m/s². The initial x- and y-components of its velocity are 86.6 m/s and 50.0 m/s respectively. What is the initial velocity of the bullet?

A) 86.6 m/s
B) 50.0 m/s
C) 36.6 m/s
D) 100 m/s
E) 136 m/s