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# On a part-time job, you are asked to bring a cylindrical ISBN: 9780321675460 31

## Solution for problem 1E Chapter 12

University Physics | 13th Edition

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Problem 1E

On a part-time job, you are asked to bring a cylindrical iron rod of length 85.8 cm and diameter 2.85 cm from a storage room to a machinist. Will you need a cart? (To answer, calculate the weight of the rod.)

Step-by-Step Solution:

Solution 1E Step 1: In this question , we need to find a cart is needed to carry a cylindrical iron rod Data given Length of the rod L = 85.8 cm Diameter = d = 2.85 cm Radius r = 2.85 cm /2 = 1.425 cm Step 2 : This is can obtained by finding the weight of the rod Weight is given by Mass = density × volume We have the density of the iron as 3 = 7.87 g/cm We can find volume as V = r L Substituting values we get V = × (1.425 cm) × 85.8 cm V = 547 cm 3

Step 3 of 3

##### ISBN: 9780321675460

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