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## Physics Help

### Kinetic Energy

#### Definition of Kinetic Energy

The energy attributed to an object's motion is equivalent to the quantity, (.5)mv2. This expression only involves the mass and speed of the object. This expression of the object is known as "Kinetic Energy." Kinetic Energy is a scalar and is measured in Joules when mass is in kilograms and speed is in meters per second.

#### Kinetic Energy in Physics Problems

Work and Kinetic Energy

Kinetic Energy, Work and Power

Kinetic Energy and Conservation of Energy

Kinetic Energy and Impulse

Kinetic Energy, Elastic Collisions, Inelastic Collisions

Kinetic Energy and 2-D Momentum

Kinetic Energy and Circular Motion

Kinetic Energy and Orbital Motion

Kinetic Energy and Rotational Motion

Kinetic Energy and Electric Potential

Kinetic Energy and Magnetic Fields and Forces

Kinetic Energy and Thermodynamics

Work, Power, Energy Quiz

#### Kinetic Energy Explained with Examples

Kinetic Energy and Roller Coasters