A 14.2 kg sheep dog is running to the right at 1.78 m/s. A 10.7 kg collie is running to the left at 2.14 m/s. If the dogs collide head-on in a perfectly elastic collision, what is the final velocity of the sheep dog after the collision?

A 14.2 kg sheep dog is running to the right at 1.78 m/s. A 10.7 kg collie is running to the left at 2.14 m/s. If the dogs collide head-on in a perfectly elastic collision, what is the final velocity of the sheep dog after the collision?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter11: Collisions

Section: Chapter Questions

Problem 41PQ: Initially, ball 1 rests on an incline of height h, and ball 2 rests on an incline of height h/2 as...

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The theory of special relativity explains the connection between space and time to objects that move in a straight line at a constant speed. The objects move at the speed of light. When an object approaches light speed, its mass is endless and cannot move faster than light. The most crucial postulate of Einstein's special relativity is that the laws of nature do not change in each frame of reference.

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I need help with this hw question.

A 14.2 kg sheep dog is running to the right at 1.78 m/s. A 10.7 kg collie is running to the left at 2.14
m/s. If the dogs collide head-on in a perfectly elastic collision, what is the final velocity of the sheep
dog after the collision?

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