Kinetic Energy Calculator

Kinetic Energy Formula:

\[ KE = \frac{1}{2} \times m \times v^2 \]

Kinetic Energy (KE):

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1. What is Kinetic Energy?

Kinetic energy is the energy possessed by an object due to its motion. It is a scalar quantity that depends on both the mass and velocity of the object.

2. How Does the Calculator Work?

The calculator uses the kinetic energy formula:

\[ KE = \frac{1}{2} \times m \times v^2 \]

Where:

\( KE \) — Kinetic energy (Joules)
\( m \) — Mass of the object (kilograms)
\( v \) — Velocity of the object (meters per second)

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

3. Importance of Kinetic Energy Calculation

Details: Kinetic energy calculations are essential in physics, engineering, and various practical applications including vehicle safety design, sports science, and energy conservation studies.

4. Using the Calculator

Tips: Enter mass in kilograms and velocity in meters per second. Both values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What are the SI units for kinetic energy?
A: The SI unit for kinetic energy is the Joule (J), which is equivalent to kg·m²/s².

Q2: How does kinetic energy relate to work?
A: The work-energy theorem states that the net work done on an object equals its change in kinetic energy.

Q3: What happens to kinetic energy when velocity doubles?
A: When velocity doubles, kinetic energy increases by a factor of four, since kinetic energy is proportional to the square of velocity.

Q4: Can kinetic energy be negative?
A: No, kinetic energy is always a positive quantity or zero (when the object is at rest).

Q5: How is kinetic energy different from potential energy?
A: Kinetic energy is energy of motion, while potential energy is stored energy due to an object's position or configuration.