The speed of sound in air is 330ms-1. How far from the centre of a storm is an observer who hears a thunder clap 2s after the lightning flash? (Neglect the time taken by light to travel to the observer)
To determine the distance from the center of the storm to the observer, we use the speed of sound and the time it takes for the sound to reach the observer.
Given: Speed of sound in air: \( v = 330 \, \text{ms}^{-1} \), Time delay: \( t = 2 \, \text{s} \)
The distance \( d \) can be calculated using the formula:
\(d = v \times t\)
Substituting the values:
\(d = 330 \, \text{ms}^{-1} \times 2 \, \text{s} = 660 \, \text{m}\)
Therefore, the distance from the center of the storm is 660 m.
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