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17 Cards in this Set
- Front
- Back
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Science
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study and observation of physical creation
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physics
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study of interaction of matter and energy
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significant figures
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a digit in a number that conveys real info about the measurement being made
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scientific notation
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expressing numbers as powers of 10
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standard form
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scientific notation in which decimal portion has 1 whole number left of decimal point
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estimation
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making an informed guess of the answer to a calculation
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conversion factor
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a quantity that changes the units of a measurement without changing the value
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unit equivalence
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a defined or calculated relation between two units
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unit equivalences
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velocity
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distance traveled per unit time
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average velocity
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total distance/total time
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acceleration
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change in velocity per unit time
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average acceleration
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total change in velocity / total time
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equations of motion
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descriptions of 1-dimensional motion with constant acceleration
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free fall
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a change in vertical velocity caused by gravity in which a=9.81m/s^2
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gravitational acceleration
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the acceleration caused by gravity
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projectile motion
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motion in two dimensions, each dimension independent of the other
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