sdluver sdluver 25-04-2016 Physics contestada Simon is riding a bike at 12 km/h away from his friend Keesha. He throws a ball at 5 km/h back to Keesha, who is standing still on the side walk. How fast would Keesha say the ball is traveling toward her? A. 5 km/h B. 7 km/h C. 12 km/h D. 17 km/h