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Physics (Speed (Average speed (A measure of how fast something moves…

- - - - Does not give any indication of how fast or slow the object is moving
  - - - km/h / 3.6 = m/s
      - m/s x 3.6 = km/h
- - - - Ek= 1/2 m x v
        
        Measured in joules (J)
    - - Heat
      - Light
      - Sound
  - - - energy stored in a stretched or compressed material
    - - energy stored in an object when it is above the ground
      - The greater the height that an object is at, the greater the gravitational potential energy
      - Gravity= 9.8 m/s2
    - - Ep= m x g x h
    - - Energy that can be absorbed or released during a chemical reaction
- - - - An object at rest will remain that way unless it is acted upon by a force. An object that is moving will continue to move at the same speed and in the same direction unless an unbalanced force acts upon it.
  - - - An object will accelerate in the direction of an unbalanced force acts upon it. The speed of the acceleration depends on the mass of the object and the size of the force acting.
        
        F= m x a
  - - - For every action force there is a reaction force.
- - - - F= force
      - M= Mass
    - - v= final velocity
      - u= initial velocity
      - t= time
- - - - How far you have walked
    - - How far have you walked from point A to point B
  - - - Numerical distance and direction
    - - Numerical distance