1. Determine whether the statements below are true or false:a.Two carts move in the same direction along a frictionless track, each acted uponby the same constant impulse. If Cart 1 has the twice the mass of Cart 2, then Cart 2 willhave the greater change in linear momentum.b.Any force component that causes a centripetal acceleration cannot change thetranslational kinetic energy of the object.A person's mechanical stability can be increased by lowering one's center ofc.mass (such as when one bends their knees).

Here, both the carts are acted upon by the same constant impulse and hence they both experience the…

Answered: 1. Determine whether the statements…

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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1. Two boxes of different mass are at rest. If both boxes are acted upon by equal force, which of the following statements is then true? If both boxes are pushed for the same amount of time, then both boxes will have the same final kinetic energy. The change in momentum is dependent on the distance each box is pushed. If both boxes are pushed for the same amount of time, then the lighter box will have the greater final kinetic energy. The change in kinetic energy is dependent on the amount of time each box is pushed. If both boxes are pushed the same amount of time, then the lighter box will have the smaller final kinetic energy 2. Puck 1 (1 kg) travels with velocity 30 m/s to the right when it collides with puck 2 (2 kg) which is initially at rest. After the collision, puck 1 moves with a velocity of 0 m/s. Assume that no external forces are present and therefore the momentum for the system of pucks is conserved. What is the final velocity (in m/s) of puck 2 after the collision?
Where (on the bat) should a baseball player hit the ball so that the bat doesn't hurt his hands? P A similar, simpler problem: Suppose the bat is a stick, and we hold it at the end (point P). Where should we hit the stick with a ball so that it will (momentarily) rotate about point P after the collision, without any external force applied at P? d. CM The ball applies a brief impulse FAt = - A Phall to the stick. FAt
3. Make sure to use 1, j and k unit vectors. a. Determine the moment vector M1 exerted on the pipe by the left couple. b. Determine the moment vector M2 exerted on the pipe by the right couple. c. Determine the sum of the couples' moment vectors M, and M2. You have to be very clear about the directions. F1-40N A50 N 50N 2 m 4 m 4 m 40N 60 60
NO LONG EXPLANATION NEEDED. UPVOTE WILL BE GIVEN! MULTIPLE CHOICE X and Y, have same kinetic energies. X is nine times heavier that of Y. The ratio of the momentum of X to that of Y is: a.9:1 b.1:9 c.1:3 d.3:1 e.1:1
9:36 PM Tue Jan 25 45% APReviewPacket.pdf 3. A Hummer and a Prius traveling at equal speeds have a head-on collision. a. Which vehicle will experience the greater force of impact? Justify your answer. b. Which vehicle will experience the greater change in momentum? Justify your answer. c. Which vehicle will experience the greater acceleration? Justify your answer.
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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 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?
Principle of __ provides a direct means of obtaining the particle’s final velocity after a specified time period when the particle’s initial velocity is known and the forces acting on the particle are either constant or can be expressed as functions of time. a. work and energy b. linear impulse and momentum c. angular impulse and momentum d. conservation of energy e. conservation of momentum
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?
Use g = 10 m/s/s in the following problems. A). A 250 gram meter stick has a center of mass at the 50 cm mark. You place a pivot at the 50 cm mark and hang 100 grams at the 40 cm mark. How much mass must you hang at the 90 cm mark to balance the system? B). A 250 gram meter stick has a center of mass at the 50 cm mark. You place a pivot at the 50 cm mark, hang 100 grams at the 40 cm mark and hang 200 grams at the 30 cm mark. How much mass must you hang at the 90 cm mark to balance the system?
1.Your car rolls slowly in a parking lot and bangs into the metal base of a light pole. In terms of safety, is it better for your collision with the light pole to be elastic, inelastic, or is the safety risk the same for either case? Explain and labled the problem.
. The linear impulse (I) of the force F= (3t) N for t= 4 seconds is: a. 40 N.m b. 20 N.m c. 16 N.m d. 12 N.m k= 10 N/m F= (3t) N

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