kimberlygtz25 kimberlygtz25 29-04-2020 Physics contestada Car A and Car B are both driving towards each other. Car A's speedometer shows that it is going 30 mph. Car B's speedometer shows that is going 45 mph. What is Car B's speed relative to Car A? Select one: -120 mph -45 mph -30 mph -30 mph -75 mph