3. The coefficient of friction between a soccer ball and a court is 0.52, and its mass is 425 gm. How much horizontal force is required to make the shoe slide? 4. An Olympic diver drops from the 10-meter platform with an initial vertical velocity of 0.0 m/s. What was the vertical velocity of the diver immediately before he/she hits the water? How long did it take the diver to reach the water? bedelridge A S 5. Bobsleds accelerate from rest to high speeds in a few seconds. If one sled's speed increased from 0 to 42 m/s in 7 seconds, what was its average acceleration during that time period? How far did the sled travel down the track in the 7 seconds