Which describes Einstein’s second postulate about the special theory of relativity? The speed of light in a vacuum is constant,
2 answers:
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Answer:
The kinetic energy of the merry-go-round is .
Explanation:
Given:
Weight of the merry-go-round,
Radius of the merry-go-round,
the force on the merry-go-round,
Acceleration due to gravity,
Time given,
Mass of the merry-go-round is given by
Moment of inertial of the merry-go-round is given by
Torque on the merry-go-round is given by
The angular acceleration is given by
The angular velocity is given by
The kinetic energy of the merry-go-round is given by