S01-Introduction_to__Physics

# S01-Introduction_to__Physics - without using any instrument...

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What is Physics?

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Creativity in Physics How you can determine the height of a tall building with the use of a barometer? H S s h H
Creativity in Physics cont)

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Models in Physics 8,000 mi
Significant Digits 8 9 A B C D A = B = C = D =

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Significant Digits 2 W L T L = 4.71 cm W = 3.25 cm T = .25 cm A = L x W A = (4.71 x 3.25) cm 2 A = 15.3075 cm 2 A = 15.3 cm 2 V = L x W x T V = (4.71 x 3.25 x .25) cm 3 V = 3.826875 cm 3 V = 3.8 cm 3 The result of a calculation may not have more significant digits than the least accurate measurement used in the calculation.
Significant Digits 3 - Scientific Notation (Powers of Ten) How many significant digits in the measurement 2000 meters ? Which of the following numbers is most accurate? 21 2.1 .021 I will bet you that I can determine your height to 3 decimal place accuracy

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Unformatted text preview: without using any instrument other than my eye, provided you are less than 6 ft, 6 in tall. % Error N S = Standard Value (Accepted Value) N E = Experimental Value (Measurement) % Error = [(N S N E )/ N S ] x 100 % Error (cont.) % Error = [(N S N E )/ N S ] x 100 Suppose you count 10 coins and error by 1. Suppose you count 100 coins and error by 1. Suppose you count 1000 coins and error by 1. Suppose you count 10000 coins and error by 1. Math in Physics Algebra, Geometry, Trig, Calculus Trig Functions sine, cosine, tangent Calculus simple differentiation and integration y = f(x) x y x 1 x 2 x 3 x y x 1 x 2 Math in Physics Linear Functions y = f(x) x y b A 1 A 2...
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## S01-Introduction_to__Physics - without using any instrument...

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