Index E...

earth	The wobbly earth
	The earth and moon get a divorce
earthquake	Mechanical work done in an earthquake
	Collapse of the Nimitz Freeway in an earthquake
eBook	Editorial
eclipse	Gravity bending light
editorial	Editorial
Einstein	Mass Into Energy
	Relativity
	Albert Einstein
electric field	Superposition of electric fields
	Summary - Fields
	The Electric Field
	Dipoles
	Voltage related to electric field
	Discussion Questions - Electric Fields
electrical circuit	Summary - Electricity
electrical energy	Potential Energy
electrical force	The Quest for the Atomic Force
electricity	Summary - Electricity
electromagnetic waves	Electromagnetic Waves
electron	The Electron
	Summary - Atom
electron spin	Electron Spin
electron-positron annihilation	Electron-positron annihilation
elephant	The wavelength of an elephant
elevator	An Elevator
elongation of springs	Objects Under Strain
emission of electrons	Emission of electrons in a cathode ray tube
energy	Energy
	Kinetic Energy
	Force, Energy, and Power
	Summary - Energy
	Simplifying the Energy Zoo
	All Energy is Potential or Kinetic
	The concept of work
	Efficiency and grades of energy
	Energy and Relative Motion
	How new forms of energy are discovered
	Energy stored in a battery
	Energy stored in a capacitor
energy concept	Summary - Energy Concept
energy conversion	Converting one form of energy to another
energy equivalent	A rusting nail
energy in fields	Calculating Energy in Fields
energy level	Energies of States in Hydrogen
energy of a vibration	Summary - Energy in Vibrations
entropy	Entropy
	Entropy increases in heat conduction
	A book sliding to a stop
	Using a refrigerator to decrease entropy?
	Entropy and evolution
Ernest Rutherford	The Planetary Model of the Atom
ether	The Principle of Relativity
evolution	Entropy and evolution
example	Energy released by a comet impact
	Converting kilowatt-hours to joules
	Human wattage
	Conservation of mass
	Converting one form of energy to another
	Heating a swimming pool
	Irish coffee
	You take the high road and I’ll take the low road
	Dropping a rock
	Gravitational PE converted directly into heat
	Mechanical work done in an earthquake
	Pushing a broom
	A violin
	Energy production in the sun
	A toy gun
	Gravitational potential energy
	An ice skater pushing off from a wall
	Absorbing an impact without recoiling?
	Dragging a refrigerator at constant velocity
	Accelerating a cart
	A Cannon
	Ion Drive for Propelling a Spacecraft
	The Tail of a Comet
	A Spinning Top
	Momentum and kinetic energy in firing a rifle
	The wobbly earth
	The earth and moon get a divorce
	Momentum and kinetic energy of a glacier
	Q of a stereo speaker
	Getting rear-ended
	Pool balls colliding head-on
	A collision of pool balls viewed in the c.m. frame
	The slingshot effect
	Walking into a lamppost
	Ion drive for spacecraft
	A toppling box
	An explosion
	The bola
	A two-car crash with sticking
	Shooting pool
	A Turbine
	A figure skater pulls her arms in
	Changing the axis
	Earth’s slowing rotation and the receding moon
	Colliding asteroids described with different axes
	A system with its center of mass at rest
	Angular momentum of a rigid object
	How torque depends on the direction of the force
	Gravitational torque on an outstretched arm
	A flagpole
	Art!
	An application of calculus
	Pressure in U.S. units
	Atmospheric pressure in U.S. and metric units
	Getting killed by a pool pump
	Pressure of lava underneath a volcano
	Atmospheric pressure
	Which temperature scale to use
	Volume related to temperature
	Pressure in a car tire
	Earth’s senescence
	A piston, a refrigerator, and a space suit
	Entropy is additive
	Entropy isn’t changed by a Carnot engine
	Entropy increases in heat conduction
	Entropy is increased by a non-Carnot engine
	A book sliding to a stop
	Using a refrigerator to decrease entropy?
	Maxwell’s daemon
	Entropy and evolution
	The heat death of the universe
	Hawking radiation
	A carnival game
	Period and frequency of a fly’s wing-beats
	Frequency of a radio station
	The pendulum
	The moons of Jupiter.
	Water in a U-tube
	The range of energies of sound waves
	Exponential decay in a trumpet
	Ions moving across a cell membrane
	An opera singer breaking a wineglass
	Collapse of the Nimitz Freeway in an earthquake
	Collapse of the Tacoma Narrows Bridge
	Emission and absorption of light waves by atoms
	Piano strings ringing in sympathy with a sung note
	Changing the pitch of a wind instrument
	Decay of a saxophone tone
	Q of a radio receiver
	Q of a stereo speaker
	Nuclear magnetic resonance
	Hull speed
	Wavelength of radio waves
	Doppler-shifted sound from a race car
	Doppler shift of the light emitted by a race car
	Fish have internal ears
	Whale songs traveling long distances
	Long-distance radio communication
	Soundproofing
	Radio transmission
	A magnetic compass
	A television tube
	Flow of electrical charge in wires
	Flow of electrical charge across cell membranes
	Emission of electrons in a cathode ray tube
	Decay of Pb-212
	A reaction occurring in the sun
	Number of photons emitted by a lightbulb per second
	Number of electrons flowing through a lightbulb
	Energy stored in a battery
	Units of volt-amps
	Power dissipated by a battery and bulb
	Resistance of a lightbulb
	Two lamps on the same household circuit
	Three resistors in parallel
	An arbitrary number of identical resistors in parallel
	Dependence of resistance on cross-sectional area
	Incorrect readings from a voltmeter
	Getting killed by your ammeter
	Dependence of resistance on length
	More than two equal resistances in series
	Two lightbulbs in series
	Choice of high voltage for power lines
	A charged balloon
	ATLAS accelerator
	Gravitational field of the earth
	Reduction in gravity on Io due to Jupiter’s gravity
	Superposition of electric fields
	Dipole moment of a molecule of NaCl gas
	Field generated by an electric eel
	Relating the units of electric field and voltage
	Voltage associated with a point charge
	Field of a uniformly charged rod
	Hallucinations during an MRI scan
	The generator
	The transformer
	Getting killed by a solenoid
	Energy stored in a capacitor
	Potential energy of a pair of opposite charges
	Energy in an electromagnetic wave
	An alternative optical test
	A Searchlight
	Diopters
	A flat mirror
	An anti-shoplifting mirror
	A shortcut for real images
	Snell's Law
	Ocean waves near and far from shore
	Double-slit diffraction of blue and red light
	The correspondence principle
	Spacing of the fringes at small angles
	Gravity bending light
	Black holes
	A rusting nail
	Electron-positron annihilation
	KE compared to mass equivalent at low speeds
	The correspondence principle for mass-energy
	Looking for tall basketball players
	C Dating
	Radioactive contamination at Chernobyl
	The hot potato
	Probability distribution for radioactive decay
	Average lifetime
	Sample Example
	Momentum of a photon
	A microwave oven
	What is the proportionality constant?
	The wavelength of an elephant
	The typical wavelength of an electron
	Spectra of thin gases
	The stability of atoms
	Chemical bonds in hydrogen molecules
	An estimate for electrons in atoms
	A book lying on a table
	Pushing a box up a hill
	A barge
	Rappelling
	A pulley
	An Elevator
	Terminal velocity for falling objects
	A passenger riding the subway
	Forces on a sailboat
	A car crash
	An accelerating bus
	Weight and mass
	Calculating terminal velocity
	Finding final speed, given time
	Extracting acceleration from a graph
	Converting g to different units
	Numerical calculation of a negative acceleration
	Acceleration with a change in direction of motion
	A skydiver
	Saving an old lady
	The units of G
	Newton’s third law
	Pluto and Charon
	Force required to turn on a bike
	Don’t hug the center line on a curve!
	Acceleration related to radius and period of rotation
	A clothes dryer
	More about clothes dryers!
	Slow down before a turn, not during it
	Velocity vectors in relative motion
	Rappelling
	The galloping horse
	A component of a force vector
	Pushing a block up a ramp
	The second derivative of a vector
	The integral of a vector
	A fire-extinguisher stunt on ice
	Order of addition
	Finding the magnitude and angle from the components
	Finding the components from the magnitude and angle
	Negative components
	Adding components
	LA to Vegas, graphically
	A car going over a cliff
	Forces in perpendicular directions on the same object
	The center of mass as an average
	Velocity in the x-t graph
	Scaling of the area of a triangle
	Scaling of the volume of a sphere
	Scaling of a more complex shape
	Cost of transporting tomatoes
	Rain falling into a moving cart
exercise	Exercise: Torque
	Exercise: Vibration
	Exercise: Worksheet on Resonance
	Object and Image Distances
	How strong are your glasses?
exercises	Homework Problems - Conservation of Energy
	Homework Problems
	Homework Problems
	Homework Problems
	Homework Problems
	Homework Problems
	Homework problems
	Homework problems
	Homework problems
	Homework problems
	Homework problems
	Homework problems
	Homework Problems 2
	Homework Problems 1
	Homework problems
	Homework problems
expansion of universe	Evidence for Repulsive Gravity
experiment	The Scientific Method
explosion	An explosion
exponential notation	Scientific Notation
eye	Eyes and Sight
	Refraction and the Eye
	Discussion - Refraction and Images
eyeglasses	How strong are your glasses?