A Boy Kicks a Football with a Certain Initial Velocity

Multiple Choice

A boy kicks a football with a certain initial velocity at an angle 20° above the horizontal. In 2.0 seconds, the ball reaches at its highest point in its trajectory. What is the initial velocity of the ball?

A) 9.8 m/s
B) 20 m/s
C) 57 m/s
D) 4.9 m/s
E) 29 m/s