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Get Full Access to Conceptual Physics - 12 Edition - Chapter 20 - Problem 11e
Get Full Access to Conceptual Physics - 12 Edition - Chapter 20 - Problem 11e

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# In the stands of a racetrack, you notice smoke from the

ISBN: 9780321909107 29

## Solution for problem 11E Chapter 20

Conceptual Physics | 12th Edition

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Problem 11E

In the stands of a racetrack, you notice smoke from the starters gun before you hear it fire. Explain.

Step-by-Step Solution:

Solution 11E Step 1: 8 The speed of light and sound are different. Speed of light, c = 3 × 10 m/s Speed of sound in air, v = 340 m/s The sound of the gun and the smoke are originating at the same time. Since it is travelling at different speeds, there will be a specific time lag between the light and the sound.

Step 2 of 2

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