A dodgeball has a mass of 0.50 kg and hits a person in the leg with a velocity of 12 m/s. After hitting
the person, it bounced back with a velocity of 5 m/s. Based on time-lapse video, it was determined
the ball was in contact with the person for 0.07 s. If the change impulse of the collision is 3.5 kg m/s
What is the force exerted when the dodgeball made contact with the person's leg.