Question #6417205Single Choice

Physics

Question

A soccer ball approaches an athlete at a speed of 8 m/s. The athlete kicks the ball back in the opposite direction with a speed of 12 m/s in a time interval of 0.2 s. What is the average acceleration of the soccer ball during this time?

Options

A
    20m/s2, direction same as the incoming ball
B
    20m/s2, direction opposite to the incoming ball
C
    100m/s2, direction same as the incoming ball
D
    100m/s2, direction opposite to the incoming ball

Answer & Analysis