7. How does an elastic collision differ from an inelastic collision?__ measures how much light bends when it passes from one material to another. a. Optical density b. Index of refraction c. Critical angle d. Total internal reflection19. A circular race track has a radius of 159 m. If the centripetal force acting on a 65.0 kg cyclist is 416 N, what is the frequency of the cyclist? (A) 1.27times 10^-3Hz (B) 3.20times 10^-3Hz (C) 1.01times 10^-2Hz (D) 1.01times 10^-1HzRead the definitions. Write the words from Activity 1. EXAMPLE: when forces on an object are equal __ balanced __ 1. what causes objects to move 2. to move something closer to you 3. the amount of force or pressure an object can take 4. the action of moving 5. the path or course something moves on 6. when forces on an object are not equal 7. to move something away from you __ __ __ __ __ __) How is knowledge of momentum useful for police officers doing an accident investigation? (15.2)PREV 150151152153154155156157158 NEXT