Question

3. Sound covers a distance of 2.4 km in
7 seconds. What is the speed of the sound?
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Answer 1

Answer:

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Answer 2

Answer:

The equation is VELOCITY = DISTANCE/TIME. Or V = d/t

To solve this equation for d, multiply both sides by t.

v*t = d. Now plug in the values for v and t.

343 m/s * 5 s = d

1715 m = d. This answer is in meters. Since there are 1000 m in a kilometer, divide 1715 by 1000 to get km.