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RPM To Rotational Velocity

Rotational Velocity Formula:

\[ \omega = \frac{RPM \times 2\pi}{60} \]

revolutions per minute

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1. What is RPM to Rotational Velocity Conversion?

Definition: This calculator converts rotational speed in revolutions per minute (RPM) to angular velocity in radians per second (rad/s).

Purpose: It helps engineers and physicists work with rotational motion in standard SI units.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ \omega = \frac{RPM \times 2\pi}{60} \]

Where:

Explanation: The formula converts revolutions to radians (1 rev = 2π rad) and minutes to seconds.

3. Importance of Angular Velocity

Details: Angular velocity is fundamental in rotational dynamics, mechanical engineering, and physics calculations involving circular motion.

4. Using the Calculator

Tips: Simply enter the RPM value (must be > 0) and the calculator will provide the angular velocity in rad/s.

5. Frequently Asked Questions (FAQ)

Q1: Why convert RPM to rad/s?
A: Radians per second is the SI unit for angular velocity, required for most physics and engineering calculations.

Q2: What does 2π represent?
A: One complete revolution equals 2π radians (about 6.283 rad).

Q3: How precise is this conversion?
A: The conversion is mathematically exact, though practical applications may round results.

Q4: Can I convert back from rad/s to RPM?
A: Yes, using the inverse formula: RPM = (ω × 60)/(2π).

Q5: Where is this conversion used?
A: In motor specifications, gear systems, centrifuge calculations, and any rotating machinery analysis.

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