The timers at the finish line of a track meet start their stopwatches when they see the smoke from the starting gun instead of when they hear the sound from the gun. Which of the following BEST explains why timers use this practice? A The sound of the gun travels slower through the air than seeing the smoke in the air. The sound of the gun travels faster through the air than seeing the smoke in the air. The sound of the gun and the smoke travel at the same speed through the air. D. The sound of the gun travels twice as fast as the smoke through the air. ©2021 Illuminate Education TM, Inc. 田
The timers at the finish line of a track meet start their stopwatches when they see the smoke from the starting gun instead of when they hear the sound from the gun. Which of the following BEST explains why timers use this practice? A The sound of the gun travels slower through the air than seeing the smoke in the air. The sound of the gun travels faster through the air than seeing the smoke in the air. The sound of the gun and the smoke travel at the same speed through the air. D. The sound of the gun travels twice as fast as the smoke through the air. ©2021 Illuminate Education TM, Inc. 田
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter15: Sound
Section: Chapter Questions
Problem 26A
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Transcribed Image Text:A Question 24
Read the passage about timers.
The timers at the finish line of a track meet start their
stopwatches when they see the smoke from the starting
gun instead of when they hear the sound from the gun.
Which of the following BEST explains why timers use this practice?
The sound of the gun travels slower through the air than seeing the smoke in the air.
The sound of the gun travels faster through the air than seeing the smoke in the air.
The sound of the gun and the smoke travel at the same speed through the air.
The sound of the gun travels twice as fast as the smoke through the air.
©2021
Illuminate Education TM, Inc.
国
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