College Physics CHAP#1

Numbers with more than three digits are

written in groups of three digits separated by

spaces

• Prefixes

• Expressing Numbers

• Matter

• Approximate Values

currently defined in terms of the

oscillation of radiation from a cesium atom

• day

• minute

• second

• hour

What quantity does the kilogram measeure?

• mass

• distance

• time

• force

currently defined in terms of the

distance traveled by light in a vacuum during a

given time

• meter

• displacement

• unit

• length

Can yield useful approximate answers and Can serve as a partial check for exact

calculations

• uncertainty in measurement

• conversions

• order of magnitude

• estimates

what should you do after reading the problem?

• draw diagram

• choose equation

• label physical quantities

• identify principles and list data

a reliably known digit and all non zero digit are significant

• 1 second

• 1 minute

• 1 day

• 1 hour

Often uses weight, in pounds, instead of mass as a

fundamental quantity

• SI system

• English System

• US customary

• cgs-Gaussian system

Types of Coordinate System Includes Cartesian and Plane _ system

• cylendrical

• nonpolar

• polish

• polar

the image shown is an example of

• molecules

• matter

• atoms

• compound