A Boy Kicks a Football from Ground Level with a Certain

Multiple Choice

A boy kicks a football from ground level with a certain initial velocity at an angle 30.0° above the horizontal. In 2.00 seconds the ball completes its trajectory and hits the ground. What is the initial velocity of the ball?

A) 9.80 m/s
B) 4.90 m/s
C) 39.2 m/s
D) 19.6 m/s
E) 78.4 m/s