Answered: i) State the ‘law of conservation of…

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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ii) State the ‘law of conservation of linear momentum’?

(i) “BIG CRASH ON THE HIGHWAY”
“Two trucks of equal mass collided head-on at the same speed on the busy EastWest Highway. They both remained stationary on impact.”
Explain this crash in terms of the conservation of linear momentum. Assume the
masses of other contents of the trucks are equal.

(ii) A police recruit, while training, shot at a stationary target of mass 5.0 kg, with a bullet of mass 0.1 kg. the target was mounted on low fiction wells and as soon as the bullet struck the target, the target with the embedded bullet sped off
with a velocity of 6.0 m s–1
. Calculate the velocity of the bullet just before it hit the stationary target.

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