Chapter 1: Measurement and Problem solving in Physics


Book work due on day of quiz -





Video (The Mechanical Universe) - Video 1: Introduction

Website - The scale of the universe



Topic 1.1: Why and how we measure


Objective:
At the end of this unit, the student should be able to distinguish standard units and systems of units.

Tyson essay "The Fear of Numbers"

Tyson You-tube video: The fear of numbers



Topic 1.2: SI units of length, mass and time


Objective:
At the end of this unit, the student should be able to describe the SI system and to specify the references for the three main base quantities of this system.

Video (MIT) - Lecture 1: Measurement






















Topic 1.3: More about the metric system


Objective:
At the end of this unit, the student should be able to learn to use (a) metric prefixes and (b) nonstandard metric units.

Metric system: NIST

Website - Metric Conversions.org



Topic 1.4: Unit analysis


Objective:
At the end of this unit, the student should be able to explain the advantages of, and apply, unit analysis.



Topic 1.5: Unit conversions


Objective:
At the end of this unit, the student should be able to (a) explain conversion-factor relationships, and (b) apply then in converting units within a system or from one system of units to another.

Virtual lab (PhET @ Colorado) - Density

Video (Veritasium) - Scientific notation



Topic 1.6: Significant figures

Objective:
At the end of this unit, the student should be able to (a) determine the number of significant figures in a numerical value and (b) report the proper number of significant figures after performing simple calculations.

Tutorial (Khan academy) - Significant figures

Website (RIT) - Uncertainty in numbers



MIT video lecture 1 (the first 11 min deals with measurement & uncertanity)

Lecture 1: Powers of Ten - Units - Dimensions - Measurements - Uncertainties - Dimensional Analysis - Scaling Arguments

Walter H. G. Lewin




Topic 1.7: Problem solving in physics


Objective:

At the end of this unit the student should be able to (a) establish a general problem-solving procedure and (b) apply it to typical problems.



Video - Powers of 10

Website (FSU) - Powers of 10

Website - Fermi problems

Video - Drake equation

Video - Brian Cox calculates the energy output of the Sun

Video - Richard Feynman: Big numbers and stuff

Video (vsauce) - How big can a person get?

Estimation

Video: Mind control - Candies in a jar



Challenge problem: How many pizza shops do we need in Salisbury?