Kinetic Energy Calculator

Result

500 J

About the Kinetic Energy Calculator

Kinetic energy is the energy that an object possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Once gained during acceleration, the body maintains this kinetic energy unless its speed changes.

Mathematical Formula & Logic

The mathematical formula for linear kinetic energy is: KE = 0.5 × m × v² Where: - KE = Kinetic Energy in Joules (J) - m = Mass of the object in kilograms (kg) - v = Velocity of the object in meters per second (m/s)

Step-by-Step Example

Calculate the kinetic energy of a 2 kg bowling ball rolling at 6 m/s: KE = 0.5 × 2 kg × (6 m/s)² = 36 Joules.

Reference Data & Values

objectmassspeedenergy
Sprinting Athlete80 kg10 m/s4,000 J
9mm Bullet0.008 kg380 m/s578 J
Highway Passenger Car1,500 kg27.8 m/s579,675 J
Space Shuttle in Orbit90,000 kg7,800 m/s2.73 × 10¹² J

Frequently Asked Questions

Kinetic energy increases with the square of the velocity. This means that if you double the speed of an object, its kinetic energy increases fourfold. If you triple the speed, the kinetic energy increases ninefold.
No. Kinetic energy is a scalar quantity and is always positive or zero. Since mass is positive and velocity squared is always positive, kinetic energy cannot be negative.
Kinetic energy is the energy of motion. Potential energy is stored energy based on an object's position, state, or configuration (such as gravitational potential energy of a book on a high shelf).