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1 vote
A sound wave travels across a 2,100-meter wide valley in 7.0 seconds. The speed of the wave is _____.

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User Ourjamie
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2 Answers

1 vote
is the correct answer 300 m/sĀ 
answered
User David Munsa
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7.1k points
1 vote
300m/s................
answered
User Carlos Pliego
by
7.9k points

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