The best way for Kennedy to determine which magnet has the most magnetic energy is to measure how close each magnet can get to a metal object before picking it up. This method gives an indication of the magnetic field strength, which is related to the magnetic energy stored in the magnet. Stronger magnets can exert a greater force and attract metal objects from a larger distance, thus indicating they have more magnetic energy. The other methods mentioned do not directly assess the magnetic properties of the magnets effectively.
Kennedy has two magnets. She would like to determine how much magnetic energy is stored in each one. What would be the best way for her to determine which magnet has the most magnetic energy?
Attach wires to the ends of each magnet and measure the flow of electricity going through the wires.
Put each magnet into a beaker of water to see how much water it displaces.
Measure how close each magnet can get to a metal object before picking it up.
Record the weight of each magnet by measuring it on a balance scale.
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