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Feet Per Second to Foot Pounds Calculator

Kinetic Energy Equation:

\[ Foot\text{-}Pounds = \frac{Mass \times Velocity^2}{2} \]

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1. What is the Kinetic Energy Equation?

The kinetic energy equation calculates the energy of a moving object based on its mass and velocity. In the imperial system, this energy is expressed in foot-pounds (ft-lb), with mass in slugs and velocity in feet per second (fps).

2. How Does the Calculator Work?

The calculator uses the kinetic energy equation:

\[ Foot\text{-}Pounds = \frac{Mass \times Velocity^2}{2} \]

Where:

Explanation: The equation shows that kinetic energy increases with the square of velocity, meaning doubling speed quadruples the energy.

3. Importance of Kinetic Energy Calculation

Details: Calculating kinetic energy is crucial for ballistics, vehicle safety, engineering design, and understanding impact forces in collisions.

4. Using the Calculator

Tips: Enter mass in slugs (1 slug = 32.174 lb) and velocity in feet per second. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is a slug in measurement?
A: A slug is the unit of mass in the imperial system where 1 slug = 32.174 pounds (mass).

Q2: How do I convert pounds to slugs?
A: Divide the weight in pounds by 32.174 to get mass in slugs.

Q3: Why is velocity squared in the equation?
A: Because kinetic energy increases exponentially with speed, not linearly.

Q4: Can this calculator be used for projectile energy?
A: Yes, it's commonly used to calculate muzzle energy of firearms and other projectiles.

Q5: What's the difference between foot-pounds and joules?
A: 1 foot-pound equals approximately 1.3558 joules. Foot-pounds are imperial units while joules are metric.

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