Asked by Jay Peels
Question three
Two masses of 2 kg and 4 kg are held with a compressed spring between them. If the masses are released,
the spring will push them away from each other. If the smaller mass moves off with a velocity of 6m/s,
what is the stored energy in the spring when it is compressed? Asume there is no external force.
Two masses of 2 kg and 4 kg are held with a compressed spring between them. If the masses are released,
the spring will push them away from each other. If the smaller mass moves off with a velocity of 6m/s,
what is the stored energy in the spring when it is compressed? Asume there is no external force.
Answers
Answered by
scott
momentum is conserved
so the larger mass will have a velocity of 3 m/s
the sum of the kinetic energies of the two masses, is the energy stored in the spring
so the larger mass will have a velocity of 3 m/s
the sum of the kinetic energies of the two masses, is the energy stored in the spring
Answered by
James
i want to know the answer first
Answered by
Jay Peels
The total kinetic energy of two masses is equal to the store energy of the spring..
Answered by
Kambua Ombo
momentum is conserve, therefore 18j+36j=54j
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