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A pendulum has a frequency of 5 vibratio...

A pendulum has a frequency of 5 vibrations per second. An observer starts the pendulum and fires a gun simultaneously. He hears echo from the cliff after 8 vibrations of the pendulum. If the velocity of sound in air is 340 m `s^(-1)`, find the distance between the cliff and the observer.

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To solve the problem step by step, we will follow these steps: ### Step 1: Understand the given data - Frequency of the pendulum (f) = 5 vibrations per second - The observer hears the echo after 8 vibrations of the pendulum. - Velocity of sound in air (v) = 340 m/s ### Step 2: Calculate the time period of the pendulum ...
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