Kinematics and Momentum: Cart on a Frictionless Track
Scenarios of a cart on a frictionless track in motion and the changes in momentum due to thrown balls. Understand the total momentum of different systems involving spheres and their directions. Dive into the intriguing physics of momentum and movement.
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Presentation Transcript
Suppose you are on a cart initially at rest that rides on a frictionless track. If you throw a ball off the cart towards the left, will the cart be put into motion? A. Yes, to the right. B. Yes, to the left. C. No, it will remain in place. 0% 0% 0% Yes, to the left. Yes, to the right. No, it will remain in place.
Suppose you are on a cart that is moving at a constant speed v to the left on a frictionless track. If you throw a massive ball straight up (from your perspective), how will the speed of the cart change? A. The speed of the cart will increase. The speed of the cart will decrease. The speed of the cart will not change. You need to know how fast the ball was thrown. B. C. 0% 0% 0% 0% D. You need to know how fa.. The speed of the cart wil... The speed of the cart will... The speed of the cart will...
What is the total momentum of the system that includes spheres 1 and 2 only? A. 5 kg m/s to the left B. 12 kg m/s to the right C. 16 kg m/s to the left D. 28 kg m/s to the right E. 30 kg m/s to the right F. 4 kg m/s to the left G. None of the above 0% 0% 0% 0% 0% 0% 0% None of the above 5 kg m/s to the left 4 kg m/s to the left 16 kg m/s to the left 12 kg m/s to the right 28 kg m/s to the right 30 kg m/s to the right
What is the total momentum of the system that includes spheres 2 and 3 only? A. 12 kg m/s to the left B. 12 kg m/s to the right C. 9 kg m/s to the left D. 9 kg m/s to the right E. 3 kg m/s to the right F. 21 kg m/s to the right G. None of the above 0% 0% 0% 0% 0% 0% 0% None of the above 9 kg m/s to the left 12 kg m/s to the left 12 kg m/s to the right 9 kg m/s to the right 3 kg m/s to the right 21 kg m/s to the right
What is the total momentum of the system that includes all 3 spheres? A. 13 kg m/s to the left B. 13 kg m/s to the right C. 19 kg m/s to the left D. 19 kg m/s to the right E. 5 kg m/s to the right F. 5 kg m/s to the left G. None of the above 0% 0% 0% 0% 0% 0% 0% None of the above 5 kg m/s to the left 13 kg m/s to the left 19 kg m/s to the left 13 kg m/s to the right 19 kg m/s to the right 5 kg m/s to the right
What is the magnitude of the total momentum of the system that includes spheres 1 and 2 only? A. 28 kg m/s B. 66 kg m/s C. 4.0 kg m/s D. 8.5 kg m/s E. 20 kg m/s F. None of the above 0% 0% 0% 0% 0% 0% 28 kg m/s 66 kg m/s 4.0 kg m/s 8.5 kg m/s 20 kg m/s None of the above
What is the magnitude of the total momentum of the system that includes all three spheres? A. About 37 kg m/s B. About 19 kg m/s C. About 31 kg m/s D. About 26 kg m/s E. About 16 kg m/s F. None of the above 0% 0% 0% 0% 0% 0% About 37 kg m/s About 19 kg m/s About 31 kg m/s About 26 kg m/s About 16 kg m/s None of the above
