# Shared Flashcard Set

## Details

Chapter 1
Introduction
29
Physics
09/04/2011

Term
 what are the three main physical quantities used in mechanics
Definition
 length (L), mass (M), time (T)
Term
 what is the definition of the meter
Definition
 the meter is defined as the distance is takes light to travel in a vacuum during a time interval of 1/ 299 792 458 seconds
Term
 what power is deci-
Definition
 10^(-1)
Term
 what power is deka-
Definition
 10^(1)
Term
 what power is kilo-
Definition
 10^(3) k
Term
 what power is mega-
Definition
 10^(6) M
Term
 what power is giga-
Definition
 10^(9) G
Term
 what power is tera-
Definition
 10^(12) T
Term
 what power is peta-
Definition
 10^(15) P
Term
 what power is exa-
Definition
 10^(18) E
Term
 what power is micro-
Definition
 10^(-6) u
Term
 what power is nano-
Definition
 10^(-9) n
Term
 what power is pico-
Definition
 10^(-12) p
Term
 what are quarks
Definition
 strong evidence indicates that protons, neutrons and electrons are composed of six smaller particles called quarks
Term
 what are the SI units for area L^(2)
Definition
 m^(2)
Term
 what are the SI units for volume L^(3)
Definition
 m^(3)
Term
 what are the SI units for velocity (L/T)
Definition
 m/s
Term
 what are the SI units for acceleration (L/T^(2))
Definition
 m/s^(2)
Term
 work the problem (1.20e^(5) x 2e^(5))+1e^(3)=
Definition
 2.41e^(5)
Term
 when multiplying two or more quantites, the number of significant figures in the final product is
Definition
 the same as the least accurate factors being combined, that is, the least accurate is the one with the least amount of significant figures
Term
 when numbers are added, the number of decimal places in the final answer are
Definition
 equal to the smallest number of decimal places of any term in the sum
Term
 what is 123 + 5.35, mind the significant figures
Definition
 128
Term
 what does it mean to increase a quantity by three orders of magnitude
Definition
 10^(3)= 1000
Term
 give two examples of coordinate systems
Definition
 cartesian coordinate system & plane polar coordinates
Term
 what is sin theta
Definition
 opposite theta/hypotenuse   y/r
Term
 what is cos theta
Definition