Conversion factor
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This document provides conversion factors between common units of length, mass, and derived quantities like speed and density. It lists equivalents such as 1 cm = 0.3937 inches, 1 kg = 2.2 pounds, and defines derived quantities as those with units built from fundamental ones. Examples given are definitions of speed as distance over time, volume as space occupied, and density as mass over volume. The document also distinguishes between precision as closeness of readings to each other and accuracy as closeness to accepted values.
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Here are 3 examples for you to try:
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Conversion factor
- 1. Conversion Factor: Length 1 cm = 0.3937 inch ( in) 1 m = 3.2808 feet (ft) 1 m = 100 centimeters (cm) 1 m = 1.0936 yards (yds) 1 km = 0.6214 mile (mi) Mass 1 g = 0.0353 ounce (oz) 1 kg = 1000 grams (g) 1 kg = 2.2 pounds (lbs) 1 kg = 0.0685 slug 1 ton = 2000 pounds (lbs) 1 lb = 16 ounces (oz) Derived quantities - Are quantities whose units arebuilt up from fundamental quantities. Example: 1. Speed- define as how fast an object is moving. Speed = distance/time v= d/t( m/s; km/hr) 2. Volume- define as the amount of space a occupies 3. Density- defined as the mass per unit volume. Density= mass/volume D=m/v (kg/m3 ; g/cm3 ) Precision- refers to the closeness of a set of readings to each other. Accuracy- refers to the closeness of a reading to that of the accepted value.