What is the primary physical law responsible for the heating of the solar nebula as it collapsed?

a. conservation of energy
b. conservation of momentum
c. conservation of angular momentum
d. Kepler’s third law


Answer: a. conservation of energy

Physics & Space Science

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A rigid body rotates counterclockwise about a fixed axis for exactly one second. Each of the following pairs of quantities represents an initial angular position and a final angular position of the rigid body. Which choice represents the lowest angular speed?

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Physics & Space Science