PURPOSE: To demonstrate that waves transmit energy.
DESCRIPTION: Waves are sent along the stretched spring from your hand to the other end, which is attached to the handle of a bumper jack. If you send an appropriate frequency of wave, the energy transmitted to the bumper jack will lift the 7 kg mass, demonstrating that the wave is actually transmitting energy.
SUGGESTIONS:
REFERENCES: (PIRA unavailable.)
EQUIPMENT: Mounted bumper jack with spring and 7 kg mass.
SETUP TIME: None.
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