Name: Xuhong Zhao
Partners: Amber .
Date: 13th April 2015
Purpose:
Verify that conservation of energy applies to this system.
Set up:
Set up a frictionless cart with a strong magnet on one end approaches a fixed magnet of the same polarity, Make sure the air track is balanced. When the cart is at the position of closet approach to the fixed magnet, the carts KE is momentarily zero and all of the energy in the system is stored in the magnetic field as magnetic potential energy, then rebounds back. The magnetic PE is transformed back to KE.
Raise one end magnetic of the air track the cart will end up at some equilibrium position, whee the repulsion force between the two magnets will equal the gravitational force component on the cart parallel to the track. Get the angle and hence this component from the geometry of the set up.
The air track is frictionless, it also is a factor that effect calculate error.
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