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Get Full Access to Physics With Masteringphysics - 4 Edition - Chapter 2 - Problem 89p
Get Full Access to Physics With Masteringphysics - 4 Edition - Chapter 2 - Problem 89p

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# While riding on an elevator descending with a constant

ISBN: 9780321541635 54

## Solution for problem 89P Chapter 2

Physics with MasteringPhysics | 4th Edition

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Problem 89P

Problem 89P

While riding on an elevator descending with a constant speed of 3.0 m/s, you accidentally drop a book from under your arm. (a) How long does it take for the book to reach the elevator floor, 1.2 m below your arm? (b) What is the book's speed relative to you when it hits the elevator floor?

Step-by-Step Solution:

Solution 89P

Step 1 of 3

The elevator is descending at a speed of: .

The distance between your arm and the floor of the elevator is: .

The book has to cover more distance than to reach the floor of the elevator, as by the time the elevator floor would have descended a distance of .

So, the total distance the book has to cover is: .--------(1)

Step 2 of 3

Step 3 of 3

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