What is physucal quantity give two examples of physical changes
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Base quantity Symbol Description
Mass m A measure of resistance to acceleration
Time t The duration of an event
Electric Current I Rate of flow of electrical charge per unit time
Temperature T Average kinetic energy per degree of freedom of a system
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In physics,a physical quantity is any physical property that can be quantified, that is, be measured using numbers.
Examples of physical quantities are mass, amount of substance, length,time, temperature,electric current,luminosity light intensity,force, velocity,density, and many others.
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