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# A ball with mass M, moving horizontally at 4.00 m/s, ISBN: 9780321675460 31

## Solution for problem 87P Chapter 8

University Physics | 13th Edition

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Problem 87P

A ball with mass M, moving horizontally at 4.00 m/s, collides elastically with a block with mass 3 M that is initially hanging at rest from the ceiling on the end of a 50.0-cm wire. Find the maximum angle through which the block swings after it is hit.

Step-by-Step Solution:

Solution 87 P Step 1: Data given Velocity of the ball v = 4.0 m/s Mass of ball m =1M Mass of block m =23M Height along z axis 50 .0 cm We need to find the angle of the swing after the collision Since its an elastic collision we shall find the initial velocity of the swing and final velocity of the swing after collision Using the law of conservation we have M × 4 + 0 = M × v + 3M × u Here v final velocity and u initial velocity M × 4 M × v = 3M × u Removing all the M terms we have 4 v = 3u This can re written as 3u + v = 4 Since we have elastic collision e=1 Hence we get u v = 4 Thus we have v = 2m/s and u = 2 m/s

Step 2 of 2

##### ISBN: 9780321675460

This textbook survival guide was created for the textbook: University Physics, edition: 13. The answer to “A ball with mass M, moving horizontally at 4.00 m/s, collides elastically with a block with mass 3 M that is initially hanging at rest from the ceiling on the end of a 50.0-cm wire. Find the maximum angle through which the block swings after it is hit.” is broken down into a number of easy to follow steps, and 48 words. The full step-by-step solution to problem: 87P from chapter: 8 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. This full solution covers the following key subjects: Block, mass, HIT, ceiling, collides. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. Since the solution to 87P from 8 chapter was answered, more than 853 students have viewed the full step-by-step answer. University Physics was written by and is associated to the ISBN: 9780321675460.

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A ball with mass M, moving horizontally at 4.00 m/s,

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