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Get Full Access to University Physics - 13 Edition - Chapter 10 - Problem 89p
Get Full Access to University Physics - 13 Edition - Chapter 10 - Problem 89p

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# A 5.00-kgball is dropped from a height of 12.0 m above one ISBN: 9780321675460 31

## Solution for problem 89P Chapter 10

University Physics | 13th Edition

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Problem 89P

A 5.00-kgball is dropped from a height of 12.0 m above one end of a uniform bar that pivots at its center. The bar has mass 8.00 kg and is 4.00 m in length. At the other end of the bar sits another 5.00-kg ball, unattached to the bar. The dropped ball sticks to the bar after the collision. How high will the other ball go after the collision?

Step-by-Step Solution:

Solution 89P Step 1 : Data given Mass of the ball M b= 5 kg Distance before collision h = 12.0 m Mass of the bar M bar= 8 kg Length of the bar L = 4.0 m We need to find the distance travelled by the ball at the other end of the bar when a ball is collided with bar at front end We shall find the potential energy of the ball It is given by U = 2h Substituting values we get U = 2 × 9.8 m/s × 12.0 m U = 235.2 J U = 15.3J Hence the potential energy of the ball is 15.3 J

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##### ISBN: 9780321675460

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