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Q.31

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 155

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Short Answer

A kg locomotive is traveling at when its engine and brakes both fail. How far will the locomotive roll before it comes to a stop? Assume the track is level.

The locomotive roll about before it stops.

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Step by Step Solution

Step 1: Content Introduction

Deceleration is described as a reduction in speed as the body advances away from the beginning position. Negative acceleration is another name for deceleration.

Step 2: Content Explanation

The net deceleration is provided with the formula from the equilibrium of forces

The rolling friction between the road and the rubber is

Here we are given,

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