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# HW Ch8 - HW Ch 8 Momentum Chapter 8 Momentum Conceptual...

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HW Ch. 8 Momentum Chapter 8: Momentum Conceptual problems 8.C.3 (5.00) Two balls are moving in the same direction. Ball A has half the mass of ball B, and is moving at twice its speed. (a) Which ball has the greater momentum? (b) Which ball has greater kinetic energy? (a) A's momentum is greaterB's momentum is greaterThey have the same momentumYou cannot tell (0/2 submissions used) (b) A's kinetic energy is greaterB's kinetic energy is greaterThey have the same kinetic energyYou cannot tell (0/2 submissions used) 8.C.5 (5.00) A large truck collides with a small car. How does the magnitude of the impulse experienced by the truck compare to that experienced by the car? Truck impulse greaterTruck impulse equalTruck impulse less (0/1 submissions used) 8.C.6 (5.00) Object A is moving when it has a head-on collision with stationary object B. No external forces act on the objects. Which of the following situations are possible after the collision? Check all that are possible. A and B move in the same direction A and B move in opposite directions A moves and B is stationary A is stationary and B moves

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A and B are both stationary (0/2 submissions used) Section 0: Introduction 8.0.1 (5.00) Use the information given in the interactive problem in Section 8.0 to answer the following questions. (a) Is it possible to have negative momentum? (b) Does the sum of the pucks' velocities remain constant before and after the collision? (c) Does the sum of the pucks' momenta remain constant? (a) Yes No (0/1 submissions used) (b) Yes No (0/1 submissions used) (c) Yes No (0/1 submissions used) Section 1: Momentum 8.1.2 (5.00) A sport utility vehicle is travelling at a speed of 15.3 m/s. If its momentum has a magnitude of 32,800 kg·m/s, what is the SUV's mass?
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