A 20-Kg Projectile Is Fired with Initial Velocity Components Vox =

Multiple Choice

A 2.0-kg projectile is fired with initial velocity components vox = 30 m/s and voy = 40 m/s from a point on the earth's surface. Neglect any effects due to air resistance.
-How much work was done in firing the projectile?

A) 900 J
B) 1600 J
C) 2500 J
D) 4900 J
E) 9800 J