A 2000 kg car moving at 30 km/hr strikes astopped 1000 kg car and the two lock bumpers.(a) What is their final common velocity just afterthe collision?(b) What fraction of the initial energy isdissipated in the collision? Energy before overenergy after collision ratio. A ball with mass 2m is moving in the positive xaxis with an initial speed +10 m/s hits asecond ball with mass m that is initially at rest.After collision both balls move in the sameaxis along the positive x axis with second ballmoving at speed of +5 m/s. find the finalspeed of the second ball.

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A 2000 kg car moving at 30 km/hr strikes a stopped 1000 kg car and the two lock bumpers. (a) What is their final common velocity just after the collision? (b) What fraction of the initial energy is dissipated in the collision? Energy before over energy after collision ratio.

A 2000 kg car moving at 30 km/hr strikes a stopped 1000 kg car and the two lock bumpers. (a) What is their final common velocity just after the collision? (b) What fraction of the initial energy is dissipated in the collision? Energy before over energy after collision ratio.

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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Question

A 2000 kg car moving at 30 km/hr strikes a
stopped 1000 kg car and the two lock bumpers.
(a) What is their final common velocity just after
the collision?
(b) What fraction of the initial energy is
dissipated in the collision? Energy before over
energy after collision ratio.

A ball with mass 2m is moving in the positive x
axis with an initial speed +10 m/s hits a
second ball with mass m that is initially at rest.
After collision both balls move in the same
axis along the positive x axis with second ball
moving at speed of +5 m/s. find the final
speed of the second ball.

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