Froggy Jumps Relate the Momentum and ImpulseVersion en ligne Pre-Test par GEMMA MEDIANA 1 How will you relate impulse and momentum to the collision of an object? The impulse of an object is _________. a A. equal to its change in momentum b B. less than its change in momentum c C. greater than its change in momentum 2 A mini dump truck full of abaca fiber collides with a motorcycle. The velocity of the truck and the motorcycle is the same. Which has a greater impulse? Why? a The motorcycle because it has less mass. b The mini dump truck because it has larger change in momentum. c The motorcycle because it has larger change in momentum 3 A boxer moved away from the punch to increase the duration of impact twice. What will happen to the force of impact? The force of impact will _______ a become zero. b The force of impact will remain the same. c . The force of impact will be half of what it would have been. 4 A tennis player hits an approaching ball with a force of 750 N. If she hits the ball in 0.002 seconds. How much impulse is imparted to the tennis ball? a 1.5 b 2.0 c 2.5 5 A 0.01 kg. ball falls freely from a height, hits the floor at 15 m/s, then reflected upward at 10 m/s. Determine the impulse. a 0.01 b 0.03 c 0.05
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