Traveling with an initial speed of 70 km/h, a car accelerates at 6000 km/h along a straight road. How long will it take to reach a speed of 120 km/h? Also, through what distance does the car travel during this time?

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A: Answer We are given Initial speed u = 70 Km/hr Final speed v = 120 km/hr Car acceleration a = 6000…

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Unit Conversion

Standard units are also called SI units. SI units are used for measuring a physical quantity satisfying certain conditions. There are two types of units: fundamental units and derived units. Fundamental units are physical quantities that are independent, that is, they do not depend on other quantities like mass, length, or time. There are plenty of quantities in our lives which need to be measured and compared. Measuring is the comparison of a particular physical quantity with its reference value. A unit is a measure of a fixed physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.