Question

What is physucal quantity give two examples of physical changes

Answer 1

Answer:

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

Explanation:

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Answer 2

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.