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物理
运动、物理量和单位换算。
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Constant-acceleration motion
Final velocity, displacement and average speed.
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Mechanical energy
Kinetic, potential and total mechanical energy.
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Newton's second law
Find force, mass or acceleration from the other two.
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Density
Calculate density from mass and volume.
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Ideal gas law
Solve pV = nRT for pressure, volume, amount or temperature.
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Pressure
Calculate pressure from force and contact area.
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Speed, distance and time
Find one motion quantity from the other two.
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Work and power
Mechanical work and average power from force, distance and time.