3. Determine the horsepower produced by a truck traveling at a speed of 82 km/h on a curved road (having curve radius of 82 ) with 2.5% grade with a smooth pavement. Assume the weight of the car is 1921 kg and the dimensions (front dimensions) of the car is 252 cm by 142 cm.

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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.