A football is kicked at an angle e with respect to the horizontal.

Question

Which one of the following statements best describes the acceleration of the football during this event if air resistance is neglected?
The acceleration starts at 9.8 m/s? and drops to some constant lower value as the ball approaches the ground.
O The acceleration is 9.8 m/s at all times.
• The acceleration is positive as the football rises, and it is negative as the football falls.
O The acceleration is zero m/s? At all time

Answer 1

The acceleration is positive as the football rises, and it is negative as the football falls.