Echo Distance

📊 beginner

$$d = \frac{v \times t}{2}$$

Calculating distance of an obstacle based on the time sound takes to return.

Variables & Units

$d$

Distance to obstacle

Unit: Meter ($m$)

$t$

Total time for echo

Unit: Second ($s$)

Key Information

📐 Derived From

Distance = Speed x Time (half for one-way).

💡 Example

Sonar finding the depth of the sea.

🔧 Applications

SONAR and RADAR.

⚠️ Constraints

Constant speed of sound.

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