During a live action show, an acrobatic performer will fall from heights onto a large foam mat. While these falls would normally injure a person, the performer is unharmed. From the perspective of momentum, what is the best explanation for this? A.Increase negative acceleration. B.Mats reduce impulse. C.Performer absorbs less momentum. D.Increase time of impact, decrease amount of force

During a live action show, an acrobatic performer will fall from heights onto a large foam mat. While these falls would normally injure a person, the performer is unharmed. From the perspective of momentum, what is the best explanation for this? A.Increase negative acceleration. B.Mats reduce impulse. C.Performer absorbs less momentum. D.Increase time of impact, decrease amount of force

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QUESTION 15 When two billiard balls collide, the collision force as a function of time follows the graph shown below. What is the magnitude of the impulse during the collision? F(N) 500 250 - t(ms) 0.0 2.0 4.0 6.0 O a. 1.2 N-s b. 1.0 N-s OC. 0.80 N-s Od.0.50 N-s e.n20 N o
complete the following 3 steps. 1. Indicate what your chosen system is (which objects are included in the system?) as well as your initial and final instants. Explain how your choice will help you solve the problem. 2. Draw a momentum-impulse bar chart for your chosen system that is consistent with the information given. 3. Write an equation using the bar chart as a guide and solve for any unknowns. A 6-kg bowling ball moving at 3 m/s hits a single 2-kg pin, knocking it forward at 6 m/s. If the collision took 0.050 s, what average force was exerted on the pin?
complete the following 3 steps. 1. Indicate what your chosen system is (which objects are included in the system?) as well as your initial and final instants. Explain how your choice will help you solve the problem. 2. Draw a momentum-impulse bar chart for your chosen system that is consistent with the information given. 3. Write an equation using the bar chart as a guide and solve for any unknowns. A .06 kg tennis ball hits a wall with a velocity of 30 m/s and rebounds at about the same speed. What is the change in momentum of the ball from before the collision to after?
6. A 0.60 kg basketball rebounds at a speed of 5.2 m/ sec a.Calculate the balls change in momentum (magnitude and direction) b.Calculate the average force on the ball if the collision lasts 0.12 sec.
The graph shows the force acting on an object with a mass as a function of time. For the time interval from 0 to 8 seconds, the total change in the object's momentum (in kg.m/s) is: Force (N) Time (s) 6. -7 O a. -14 O b. -14 O C. -16 O d.-10 00
A 7400 kg truck traveling along a straight road at 14 m/s comes to a stop and remains stationary for several minutes. It then accelerates backward in reverse until it reaches 5.0 m/s in the opposite direction. What is the magnitude of the change in momentum of the truck for this entire process? A. 100,000 kg. m/s B. 140,000 kg. m/s C. 67,000 kgm/s D. 37,000 kgm/s O C O B OD O A
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