56. Two blocks of masses m₁ = 2.00 kg and m₁ = 4.00 kg areeach released from rest at a height of 5.00 m on a friction-less track, as shown in Figure P6.56, and undergo an elas-tic head-on collision. (a) Determine the velocity of eachblock just before the collision. (b) Determine the velocityof each block immediately after the collision. (c) Deter-mine the maximum heights to which m₁ and m₂ rise afterthe collision.5.00 mm₁ = 2.00 kgm₁ = 4.00 kgFigure P6.565.00 m

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Answered: 56. Two blocks of masses m₁ = 2.00 kg…

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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Consider the collision shown below. Is this collision elastic or inelastic? Show explicitly.
04. Figure Q4 shows a ball dropped vertically from a height, h, above the ground, G and rebounds to height of hs. One of the methods to measure the coefficient of restitution for a particle-ground impact by measuring the change in heights. Proved the statement by using conservation of energy (8 marks) If the ball experienced perfectly elastic collision, explain the bouncing height of the ball after it hit the ground (2 marks) If the ball is dropped to the glass floor platform that has coefficient of restitution, 0.55, with the same initial height, determine the height after it bounces off the surface. (2 marks) hu= 3.2 m ha= 1.85 Figure 04
3. This problem refers to the figure below: mmm There are 3 identical bobs of mass m hanging side-by-side. Two are then lifted to a height of h and released. The collisions in this problem are elastic. Answer the following questions: (a) Let's call the initial and final state immediately before and after the collision, respectively. Write down the initial momentum and kinetic energy of the system in terms of m and h. (b) Show that, after the collision, the left and center bobs rise to height h while the right bob becomes stationary. In particular, show that the center bob acts as if it were swinging freely as a lone pendulum.
6. A block of mass m, = 5.0 kg is released from a height of 5.0 m (point A) down a smooth, curved ramp. It makes an elastic head-on collision with a block of mass m; = 10 kg that is initially at rest. (a) What is the maximum height reached by m, after the collision? (b) After the collision, m2 glides smoothly until it hits a rough patch and eventually comes to a stop. What is the length of the rough patch if the coefficient of kinetic friction between m, and the rough patch is 0.350?
I. A lump of clay (m = 3.00 kg) is thrown towards a wall at speed v = 3.00 m/s. The lump sticks to the wall. (a) What kind of collision is it? Is momentum conserved during this collision? Why or why not? (b) Calculate the impulse imparted on the lump by the wall. (c) Calculate percent of initial kinetic energy lost during this collision. II. Same lump is thrown towards the same wall, but this time it bounces off the wall at speed of 3.00 m/s. (a) What kind of collision is it? Is momentum conserved during this collision? Why or why not? (b) Calculate the impulse imparted on the lump by the wall. (c) Calculate percent of initial kinetic energy lost during this collision. III. Same lump is thrown towards the same wall, but this time it bounces off the wall at speed of 2.00 m/s. (a) What kind of collision is it? Is momentum conserved during this collision? Why or why not? (b) Calculate the impulse imparted on the lump by the wall. (c) Calculate percent of initial kinetic energy lost during…
3. Block A approaches block B at a velocity vo. Block B is at rest. After collision, the two blocks stick together after collision and travel at a velocity of v/3. Which block has a greater mass? A B (A) Block A (B) Block B (C) Neither; their masses are the same. (D) The answer cannot be determined without knowing the mass of one of the blocks.
A 61g ball traveling at 6.3 m/s is caught by a 220g pendulum bob. The center of mass of the pendulum / ball system reaches a maximum height of 10.4 cm (relative to the initial rest position) after the collision. Calculate the kinetic energy of the pendulum/ball system in the instant after the collision (Kball+bob). Use L=30.2cm and R=26.3cm
5. Two blocks of masses mand 3m QIC are placed on a frictionless, hor- V izontal surface. A light spring is attached to the more mas- sive block, and the blocks are Зт Before a pushed together with the spring between them (Fig. P9.5). A cord initially holding the blocks together is burned; after that happens, the block of mass 3m moves to the right with a speed of 2.00 m/s. (a) What is the velocity of the block of mass m? (b) Find the system's original elastic potential energy, taking 2.00 m/s Зт After Figure P9.5 m = 0.350 kg. (c) Is the original energy in the spring or in the cord? (d) Explain your answer to part (c). (e) Is the momentum of the system conserved in the bursting-apart process? Explain how that is possible considering (f) there are large forces acting and (g) there is no motion before- hand and plenty of motion afterward?
Please select all statement the match the characteristic for Elastic Collision. Please check all U Kinetic energy is lost. An arrow shot at a target. Pool balls hitting each other. If there is very loud sound, but they don't combine. Σpetore Σp.rer, ΣΚΕpefore 4 ΣΚΕter Momentum is conserved. Σpefore Σp.fter ΣΚE5ίore ΣKEaiter. Two objects combine together. Kinetic energy is conserved.
160 v2=4127- 2. Determine the final velocity of the masses below if they experience an inelastic collision. Pay careful attention to which direction they are traveling! V= 12MIs m: 18 kg V=12m/s
I. A lump of clay (m = 3.01 kg) is thrown towards a wall at speed v = 3.15 m/s. The lump sticks to the wall. (a) What kind of collision is it? Is momentum conserved during this collision? Why or why not? (b) Calculate the impulse imparted on the lump by the wall. (c) Calculate percent of initial kinetic energy lost during this collision. II. Same lump is thrown towards the same wall, but this time it bounces off the wall at speed of 3.15 m/s. (a) What kind of collision is it? Is momentum conserved during this collision? Why or why not? (b) Calculate the impulse imparted on the lump by the wall. (c) Calculate percent of initial kinetic energy lost during this collision. III. Same lump is thrown towards the same wall, but this time it bounces off the wall at speed of 2.24 m/s. (a) What kind of collision is it? Is momentum conserved during this collision? Why or why not? (b) Calculate the impulse imparted on the lump by the wall. (c) Calculate percent of initial kinetic…
1. A lump of clay (m = 3.00 kg) is thrown towards a wall at speed v = 3.00 m/s. The lump sticks to the wall. (a) What kind of collision is it? Is momentum conserved during this collision? Why or why not? (b) Calculate the impulse imparted on the lump by the wallI. (c) Calculate percent of initial kinetic energy lost during this collision. II. Same lump is thrown towards the same wall, but this time it bounces off the wall at speed of 3.00 m/s. (a) What kind of collision is it? Is momentum conserved during this collision? Why or why not? (b) Calculate the impulse imparted on the lump by the wall. (c) Calculate percent of initial kinetic energy lost during this collision. III. Same lump is thrown towards the same wall, but this time it bounces off the wall at speed of 2.00 m/s. (a) What kind of collision is it? Is momentum conserved during this collision? Why or why not? (b) Calculate the impulse imparted on the lump by the wall. (c) Calculate percent of initial kinetic energy lost…

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