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Chapter 5: Problem 56

A thunder is heard 2 s after a flash of lightning is seen. If the velocity of sound in air is \(330 \mathrm{~m} \mathrm{~s}^{-1}\), how far away from you, has lightning occurred?

Short Answer

Expert verified
Answer: The lightning strike is 660 meters away from the observer.

Step by step solution

01

Identify the information given

The observer hears the thunder 2 seconds after seeing the lightning, and the speed of sound is 330 meters per second.
02

Use the formula 'distance = speed x time' to calculate the distance

We know the time it takes for the sound to travel and the speed of sound in air, so we can use the formula 'distance = speed x time' to find the distance: distance = speed * time
03

Plug the given values into the formula

Now, substitute the known values of time and speed into the formula: distance = 330 m/s * 2 s
04

Calculate the distance

Multiply the speed and time to get the distance: distance = 660 meters The lightning has occurred 660 meters away from the observer.

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