A person standing between two vertical cliffs and 480 m from the nearest cliff shouts. He hears the first echo after 3 s and the second echo 2 s later.
Calculate :
The speed of sound.

Explanation

To solve the problem, we need to calculate the speed of sound based on the information provided about the echoes heard by the person standing between two cliffs.

### Step-by-Step Solution:

1. **Understanding the Setup:**
- The person is standing 480 meters from the nearest cliff (let's call it Cliff 1).
- The distance to the second cliff (Cliff 2) is also 480 meters away from the person.
- When the person shouts, the sound travels to the nearest cliff and back, and then to the second cliff and back.
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