kinetic energy

• Kinetic energy


  The energy that an object possesses due to its motion
• Kinetic energy


  • Depends on an object's speed
  • Depends on an object's mass
• Faster an object is moving

  More kinetic energy it will have
• More mass an object has

  More kinetic energy it will have
• Calculating kinetic energy


  1. Use the equation: E_k = 1/2 m v^2

  2. E_k = kinetic energy

  3. m = mass (in kg)

  4. v = velocity (in m/s)
• Particle


  • Mass = 0.0001 kg
  • Speed = 4,000 m/s
  • Kinetic energy = 800 J (or 0.8 kJ)
• Even though the particle was traveling much faster, it had less kinetic energy because its mass was much lower