Motion in one and two dimension, vectors
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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How many significant digits will be in a sum or difference? | The smallest number of decimal places of any term
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How many significant digits will be in a product or quotient? | The lowest number of significant figures of the factors
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SI System for length, time, and mass | meter (m), second (s), kilogram (kg)
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CGS System for length, time, and mass | centimeter (cm), second (s), gram (g)
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British System for length, time, and mass | feet (ft), second (s), pounds (lbs)
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Distance | Distance traveled along actual path (scalar value)
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Scalar | Having no positive(+) or negative (-) value necessary
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Displacement | Object's final position in respect to initial position (vector)
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Displacement Equation | DX = Xf - Xi
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Average Velocity | V[average] = DX/Dt = (Xf-Xi) / (tf - ti) (measured in m/s)
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Speed | V s = d/Dt (measured in m/s)
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sin0 | y/r
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cos0 | x/r
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tan0 | y/x
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Motion | Non-constant velocity needs to be averaged into slope of a straight line joining initial and final points
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Instantaneous Velocity | average velocity in limit as the interval becomes infintesimaly short.
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Acceleration | (Vf - Vi)/(Dt)
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Created by:
pagabbers
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