Chapter01 - The answer should be _____________ 5. Units SI...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 1: Introduction
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4. Scientific Notation and Significant  Figures Significant figures : all the digits that are known accurately + one estimated digit
Background image of page 2
Rules Nonzero digits are always significant. Final or ending zeros to the right of the decimal point are significant. Zeros written to the right of the decimal point for the purpose of spacing the decimal point are not significant. Zeros written between significant figures are significant. Examples 409.9 s ( ), 0.058700 cm ( ), 9500 g ( ), 950.0 × 10 1 mL ( ) 0.0001054 kg ( ), 0.005800 cm ( ), 602000 s ( ) When ambiguous, use the scientific notation.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Significant figures in calculations Addition, subtraction Multiplication, division Round the answer to the shortest number of significant digits in the numbers you are multiplying or dividing. 28.84 ÷ 6.2=4.651612 (in your calculator)
Background image of page 4
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 6
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 8
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: The answer should be _____________ 5. Units SI ( Systme International (french)) unit (or MKS unit) Time in s (second) Length in m (meter) Mass in kg Conversion of Volume 255 mL of water. What is the volume of the water in cm 3 and m 3 ? 6. Dimensional Analysis Dimension : basic types of units, such as length, mass, and time. [M], [L], [T] 1 N= 1 kg m/s 2 : [M][L][T]-2 An equation must be dimensionally consistent (be sure youre adding apples to apples). x=vt : Have no naked numbers (always use units in calculations) except the ratio. 9. Graphs Please read Textbook page 14-15. It would be helpful when you do the labs in Phys2215 class. Note in finding the slope: Do not choose two data points to find the slope....
View Full Document

Page1 / 8

Chapter01 - The answer should be _____________ 5. Units SI...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online