A pitching machine is programmed to pitch baseballs horizontally at a speed of 146 km/h. The machine is mounted on a truck and aimed forward. As the truck drives toward you at a speed of 85 km/h, the machine shoots a ball toward you. For each of the object pairings listed, determine the correct relative speed. The speed of the pitching machine relative to you The speed of the pitching The speed of the pitched The speed of the pitched machine relative to the truck ball relative to the truck ball relative to you Answer Bank 146 km/h 292 km/h zero 85 km/h 207 km/h 61 km/h 231 km/h

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