evaporation – Khalid Public High School & College Haroon Abad

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Q # 2: Answer these following short questions: /24I: Define base and derived quantities?II: What is rest and Motion explain with the help of example?III: Differentiate between scalars and vectors quantities with the help of defines?IV: what do you know about significant figure?V; Explain speed time graph?VI: A car starts from rest its velocity 20m/s… Continue reading Previous paper class 9th(Physics)