How does impulse differ from force? 1. None of these 2. Force produces momentum; impulse pro- duces acceleration. 3. Force produces acceleration; impulse pro- duces change in momentum. 4. Force is usually larger than momentum. 5. Momentum is larger than force. 6. Force produces acceleration; impulse pro- duces momentum.

How does impulse differ from force? 1. None of these 2. Force produces momentum; impulse pro- duces acceleration. 3. Force produces acceleration; impulse pro- duces change in momentum. 4. Force is usually larger than momentum. 5. Momentum is larger than force. 6. Force produces acceleration; impulse pro- duces momentum.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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The impulse-momentum theorem relates impulse to the change in momentum. 3. You throw a 400 g lump of clay at 10 m/s against a wall. The clay sticks to the wall. What is the initial momentum? Final momentum? Impulse? 4. You throw a 400 g rubber ball at 10 m/s against a wall. The ball rebounds at 8 m/s. What is the initial momentum? Final momentum? Impulse? 5. Given this, is it better for a car to come to a stop or bounce back in a collision?
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?
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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?
12. An 8 g bullet moving at 50 m s¹ strikes a wooden block. The bullet undergoes uniform deceleration and stopped 12 cm inside the block. Calculate the i. time taken for the bullet to stop. [ 4.8×10³ s] impulse on the block. [-0.4 Ns] average force experienced by the block. [-83.3 N ] 13. A 6.25 kg trolley moving with velocity 5.5 m s¹ hits a stationary 1.2 kg trolley. After the collision the trolleys stick together and move with a constant velocity. Calculate the velocity after the collision, [ 4.61 m s¹] 14. A 12 g bullet shot vertically into a 5 kg block and lifting it upwards to a maximum height of 4 mm. The bullet travelled for 1 ms in the block before stopping completely. Calculate the i. ii. speed of the block and bullet just after collision, [ 0.28 m s'¹] impulse on the block. [ 1.4 Ns]
1a. what are the impulses of the following exterior forces during the thrust stage if the average mass if the system (rocket + engine) is 0.040 kg Gravity: Igravity = Drag: Idrag = 1b. what is the total impulse, Itotal, during the thrust stage
If the force is constant, how is the impulse related to force? 1. Impulse Force 2:Impulse = Force x distance H 3. Impulse = Force x velocity 4. Impulse Force x acceleration 5. Impulse Force x time
8.) In this photo, a fire extinguisher provides the impulse for a hallway rocket cart. Which is NOT true about the motion of the rocket cart and person? a.) The cart and person are propelled as a result of gas from the fire extinguisher pushing against air in the room. b.) The force of the gas on the cart and person is equal and opposite to the force of the person and cart on the expelled gas. c.) The momentum of the cart and person is equal in magnitude and opposite in direction to the momentum of the expelled gas.
9. You throw a ball with a mass of 0.4 kg against a brick wall. It moves to the left at the speed of 30 m/s and rebounds to the right at the speed of 20 m/s. What is the Impulse of the external force on the ball during the collision with the wall? 1. A. B. 4 N.s C. -20 N.s D. -4 N.s 20 N.S Before After ii. If the ball is in contact with the wall for 0.01 s, what is the average force that the wall exerts on the ball during the impact? A. -400 N B. -2000 N C. 2000 N D. 400 N 17
Multiple choice, Write the letter of your answer. This is all about General Physics 1: Impulse and Momentum.
5. Consider the two-dimensional collision between two objects, A and B, shown in the picture below. Before A VA B After A B MB=0.8 kg VA=5 m/s VB=0 m/s VAf = 3 m/s VAF eA B VBF MA=0.6 kg a.) Use the momentum principle to find 0B and VBF. b.) Is this collision elastic or inelastic? Verify your answer by computing AE sys- 0A=30°