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# A 0.150-kg glider is moving to the right with a speed of ISBN: 9780321675460 31

## Solution for problem 46E Chapter 8

University Physics | 13th Edition

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Problem 46E

A 0.150-kg glider is moving to the right with a speed of 0.80 m/s on a frictionless, horizontal air track. The glider has a head-on collision with a 0.300-kg glider that is moving to the left with a speed of 2.20 m/s. Find the final velocity (magnitude and direction) of each glider if the collision is elastic.

Step-by-Step Solution:

Solution 46E Step 1: Mass of glider moving right m 1 = 0.150 Kg Mass of glider moving left m 2 = 0.300 Kg Initial Velocity of glider moving right u = 0.80 m/s (+x direction) 1 Initial Velocity of glider moving left u 2 = - 2.2 m/s (-x direction) Step 2: The gliders collide and momentum is conserved. After collision the gliders move in the direction of the glider which collides left. Because mass and velocity of that glider are greater. Total momentum before collision is equal to the total momentum after collision. m 1 1 u2 2 v +1 1 ---2 2 Let final velocities of the gliders after collision be v and v 1 2 Step 3: Applying all known values 0.15x0.8 + 0.3x(-2.2) = 0.15v +0.3v 1 2 Step 4 : Simplifying -0.54 = 0.15v +0.3v 1 2 15v 130v = -2 v12v 2-3.6 m/s ------(2)

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##### ISBN: 9780321675460

University Physics was written by and is associated to the ISBN: 9780321675460. The full step-by-step solution to problem: 46E from chapter: 8 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. This textbook survival guide was created for the textbook: University Physics, edition: 13. Since the solution to 46E from 8 chapter was answered, more than 938 students have viewed the full step-by-step answer. This full solution covers the following key subjects: glider, moving, speed, collision, head. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. The answer to “A 0.150-kg glider is moving to the right with a speed of 0.80 m/s on a frictionless, horizontal air track. The glider has a head-on collision with a 0.300-kg glider that is moving to the left with a speed of 2.20 m/s. Find the final velocity (magnitude and direction) of each glider if the collision is elastic.” is broken down into a number of easy to follow steps, and 57 words.

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