45. Two identical pucks collide on an air hockey table. One puck was originally at rest. (a) If the incoming puck has a speed of 6.00 m/s and scatters to an angle of 30.0° ,what is the velocity (magnitude and direction) of the second puck? (You may use the result that 0,– 0,= 90° for elastic collisions of objects that have identical masses.) (b) Confirm that the collision is elastic.

45. Two identical pucks collide on an air hockey table. One puck was originally at rest. (a) If the incoming puck has a speed of 6.00 m/s and scatters to an angle of 30.0° ,what is the velocity (magnitude and direction) of the second puck? (You may use the result that 0,– 0,= 90° for elastic collisions of objects that have identical masses.) (b) Confirm that the collision is elastic.

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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Concept explainers

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.

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Help!!

45. Two identical pucks collide on an air hockey table. One
puck was originally at rest. (a) If the incoming puck has a
speed of 6.00 m/s and scatters to an angle of 30.0° ,what is
the velocity (magnitude and direction) of the second puck?
(You may use the result that 0,– 0,= 90° for elastic
collisions of objects that have identical masses.) (b) Confirm
that the collision is elastic.

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Principle of conservtion of momentum

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Speed and direction of second puck

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Energy conservation equation

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Collision is elastic since energy is conserved.

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