Energy Calculations Graphing Potential, Kinetic & Total Energies Using Pendulum.

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Presentation transcript:

Energy Calculations Graphing Potential, Kinetic & Total Energies Using Pendulum

Potential Energy Mass = 100g =0.1kg

Height The height is the height of the pendulum from its lowest point of swing at any given angle. height = l – (l)cos θ θ height L (length)

Total Energy TE=PE + KE Hint: The total energy is equal to the Initial Potential Energy and will remain the same if there were NO friction

Potential Energy PE =mgh

Speed (Horizontal) Speed = mg(l)cos θ θ height L (length)

Time (Period) Time (period) =

Use Center graph line for angle 0°. Graph the first half of the pendulum swing to 0°.

Mirror the points in reverse to complete the graph