Answered: Two identical 0.5 kilogram objects…

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 40PQ: 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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Question

Two identical 0.5 kilogram objects collide on a frictionless, level surface. Object #1 is initially moving along the x-axis at 3 meters/second and object#2 is initially at rest. After the collision, object #1 has a velocity given by (0.5 i + 1.0 j) meters/second.

a) find object #2's final velocity.

b) How much kinetic energy is lost in the collision?

See the attached picture that goes with the problem.

Thank you.

Expert Solution

Step 1

(given)

Mass of two identical objects ,

$m_{1} = m_{2} = 0.5 k g$

Initial velocity of object 1 = 3 m/s

Initial velocity of object 2 = 0 m/s

After collision,

Final velocity of object 1 = (0.5i + 1j) m/s

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