1. A detector has only one input and one output, both being scalar quantities . 2. In classical physics, energy is a scalar quantity , the canonical conjugate to time. 3. In classical mechanics, mass is a scalar quantity , but in relativity it changes with velocity. 4. An example of a scalar quantity is temperature : the temperature at a given point is a single number. 5. The focus there seems to be on scalar quantities such as energy, or more generally four-momentum. 6. Each rocket has a characteristic thrust-to-weight curve or acceleration curve, not just a scalar quantity . 7. Since this is only the time derivative of volume, a scalar quantity , the volumetric flow rate is also a scalar quantity. 8. Since this is only the time derivative of volume, a scalar quantity, the volumetric flow rate is also a scalar quantity . 9. Since mass is a scalar quantity , the mass flow rate ( the time derivative of mass ) is also a scalar quantity. 10. Since mass is a scalar quantity, the mass flow rate ( the time derivative of mass ) is also a scalar quantity .
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