Physics, 29.11.2020 03:40 kingfptduong
A ball falls from a shelf. Assuming there is no friction, why is the conservation of mechanical energy independent of mass?(1 point)
The displacement of the ball is insignificant compared with Earth's size.
The mass of the ball is insignificant compared with the mass of Earth.
Mass is eliminated when equating elastic potential energy with kinetic energy.
Mass is eliminated when equating gravitational potential energy with kinetic energy.
Answers: 2
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A ball falls from a shelf. Assuming there is no friction, why is the conservation of mechanical ener...
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