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Peter Beyersdorf

Shows

Laser Spectroscopy PodcastLaser Spectroscopy PodcastLaser frequency stabilizationWe look at sources of laser frequency noise and discuss feedback techniques using a reference cavity or a molecular transition to stabilize the laser frequency.2009-12-0100 minLaser Spectroscopy PodcastLaser Spectroscopy PodcastUltrafast SpectroscopyWe look at pump probe methods using ultrafast pulses for high temporal resolution experiments.2009-11-1900 minLaser Spectroscopy PodcastLaser Spectroscopy PodcastShort Pulse GenerationWe look at transient effects in laser gain material, -switching and mode locking as methods to get short pulses.2009-11-1700 minLaser Spectroscopy PodcastLaser Spectroscopy PodcastRaman ScatteringPodcsat from 2008 of lecture on Raman spectroscopy. This is in place of the 11/9 lecture given about Raman spectroscopy, for which the audio didn't record properly.2009-11-1000 minLaser Spectroscopy PodcastLaser Spectroscopy PodcastStimulated Raman SpectroscopyPodcsat from 2008 of lecture on stimulated Raman scattering. This content was not covered in class this semester. This is for your interest only and will not be covered on exams.2009-11-1000 minLaser Spectroscopy PodcastLaser Spectroscopy PodcastNonlinear SpectroscopyWe look at how saturation causes hole burning in a spectral line, and measurement techniques such as lamb-dip spectroscopy and intermodulated fluorescence that can take advantage of this for doppler-free measurements.2009-11-0500 minLaser Spectroscopy PodcastLaser Spectroscopy PodcastEmission SpectroscopyWe look at basic methods of emission spectroscopy including laser induced fluorescence, resonant enhanced multi-photon emission (REMPI), intermodulated fluorescence and stimulated emission pumping.2009-10-2900 minLaser Spectroscopy PodcastLaser Spectroscopy PodcastAbsorption SpectroscopyWE look at basic techniques of absorption spectroscopy including direct detection, frequency modulation, intracavity absorption and cavity ringdown spectroscopy.2009-10-2700 minLaser Spectroscopy PodcastLaser Spectroscopy Podcastspectral line profilesWe look at how the natural lifetime of an energy level produces a Lorentzian line profile and how the natural linewidth can be broadened by Doppler broadening, pressure broadening, transit time broadening and saturation broadening.2009-10-2200 minLaser Spectroscopy PodcastLaser Spectroscopy PodcastInterferometersWe look at how interferometers can be used to measure wanelength.2009-10-1300 minLaser Spectroscopy PodcastLaser Spectroscopy PodcastSpectrometer OperationWe look at the principles of operation of prism spectrometers and grating spectrometers and discuss operating characteristics (speed, resolving power, spectral transmission and free spectral range).2009-10-0800 minPhysics 50 example problemsPhysics 50 example problems14-51 Tube of Mercury-fluid mechanicsFor a tube containing mercury and water, find the difference in height of the mercury and water using Pascal's law2006-11-1500 minPhysics 50 example problemsPhysics 50 example problems14-47 Mass of a Planet-fluid mechanicsGiven some measurements of the pressure in a fluid taken on the surface of an unknown planet, use Pascal's law and the universal law of gravitation to find the mass of the planet.2006-11-1500 minPhysics 50 example problemsPhysics 50 example problems14-37 Airplane Wing-fluid mechanicsUse Bernoulli's Equation to find the force on an airplane wing and then find the net force acting on the airplane.2006-11-1500 minPhysics 50 example problemsPhysics 50 example problems14-29 Shower Head-fluid mechanicsUse the continuity equation to find the exit velocity for water in a shower head2006-11-1500 minPhysics 50 example problemsPhysics 50 example problems14-25 Wood Floating in Oil-fluid mechanicsFor a block of wood floating on top of a layer of water and below a layer of oil, find its mass and density given how high it is floating2006-11-1500 minPhysics 50 example problemsPhysics 50 example problems14-7 Gauge Pressure-fluid mechanicsDetermine the gauge pressure at a given distance below the surface of a fluid using Pascal's law2006-11-1500 minPhysics 50 example problemsPhysics 50 example problems14-3 Density of Gold-fluid mechanicsFind the density of a piece of metal given its mass and volume. Is the metal gold?2006-11-1500 minPhysics 50 example problemsPhysics 50 example problems13-33 Cheese on a Spring-simple harmonic motionFor a piece of cheese oscillating on the end of a spring, find out how far the spring will be stretched when the oscillations stop.2006-11-1000 minPhysics 50 example problemsPhysics 50 example problems12-9 Gravitational Force Acting on the Moon-gravitationFind the gravitational force acting on the moon from the Earth and Sun for moon at three different points in the lunar orbit2006-11-1000 minPhysics 50 example problemsPhysics 50 example problems11-13 Beam in Equilibrium-equilibriumFind the tension in ropes holding up a beam in equilibrium.2006-11-0600 minPhysics 50 example problemsPhysics 50 example problems10-63 Block and Cylinder-dynamics of rotational motionFind the acceleration of a block on a plane that is attached to a rotating cylinder which has non-negligible moment of inertia2006-10-2500 minPhysics 50 example problemsPhysics 50 example problems10-47 Gyroscope-dynamics of rotational motionDetermine the direction that a gyroscope precesses2006-10-2500 minPhysics 50 example problemsPhysics 50 example problems10-33 Power of a Motor-dynamics of rotational motionDetermine the lifting capacity of a motor with a given power and rotation rate2006-10-2500 minPhysics 50 example problemsPhysics 50 example problems10-19 Falling Yo Yo-dynamics of rotational motionFind the acceleration of a falling yo-yo and the tension in the string as it falls2006-10-2500 minPhysics 50 example problemsPhysics 50 example problems10-7 Frictional Torque-dynamics of rotational motionFind the frictional torque necessary to slow a spinning object a given amount in a given time2006-10-2500 minPhysics 50 example problemsPhysics 50 example problems10-3 Calculating Torque-dynamics of rotational motionFind the torque exerted on an object by each of three different forces2006-10-2500 minPhysics 50 example problemsPhysics 50 example problems10-1 Calculating Torque-dynamics of angular motionFind the torque that a force exerts on a wrench for six different configurations2006-10-2500 minPhysics 50 example problemsPhysics 50 example problems9-100 Moment of Inertia of a Cone-rotation of rigid bodiesCalculate the moment of inertia for a cone.2006-10-1700 minPhysics 50 example problemsPhysics 50 example problems9-85 Pulley With Inertia-rotation of rigid bodiesSolve for the speed of a falling block that must pull another block and spin a pulley that has inertia.2006-10-1700 minPhysics 50 example problemsPhysics 50 example problems9-63 Speedometer-rotation of rigid bodiesRelate the linear velocity of a car to the angular velocity of the axle as read by the speedometer2006-10-1700 minPhysics 50 example problemsPhysics 50 example problems9-52 Parallel Axis Theorem for a Wheel-rotation of rigid bodiesUse the parallel axis theorem to find the moment of inertia for a wheel rotating about a point on its rim.2006-10-1700 minPhysics 50 example problemsPhysics 50 example problems9-41 Moment of Inertia of a Wagon Wheel-rotation of rigid bodiesFind the moment of inertia for a wagon wheel given the size and shape of its components.2006-10-1700 minPhysics 50 example problemsPhysics 50 example problems9-37 Moment of Inertia of a Distribution of Masses-rotation of rigid bodiesFind the moment of inertia for a distribution of masses.2006-10-1700 minPhysics 50 example problemsPhysics 50 example problems9-29 Drill Speed-rotation of rigid bodiesDetermine the linear acceleration of a point on the edge of a drill bit, given its angular velocity.2006-10-1700 minPhysics 50 example problemsPhysics 50 example problems9-21 Helicopter Rotor Blades-rotation of rigid bodiesRelate the parameters of angular motion for a helicopter rotor blade to the parameters of linear motion for a point on the tip of the blade.2006-10-1700 minPhysics 50 example problemsPhysics 50 example problems9-9 Rotating Flywheel-rotation of rigid bodiesCalculate the change in the angular velocity and angular displacement of a flywheel that is slowing down due to friction2006-10-1700 minPhysics 50 example problemsPhysics 50 example problems9-5 Instantaneous Angular Velocity-rotation of rigid bodiesRelate an expression for the angular displacement of a merry-go-round to its angular velocity and angular acceleration2006-10-1700 minPhysics 50 example problemsPhysics 50 example problems9-1 Angles and Arc Lengths-rotation of rigid bodiesRelate an angle to arc lengths subtended by the angle2006-10-1700 minPhysics 50 example problemsPhysics 50 example problems8-45 Center of Mass-momentum and collisionsDetermine the center of mass of an object2006-10-1100 minPhysics 50 example problemsPhysics 50 example problems8-39 Head on Elastic Collision-momentum and collisionsFind the velocity of a ball after a head-on elastic collision2006-10-1100 minPhysics 50 example problemsPhysics 50 example problems8-35 Speed of a Bullet-momentum and collisionsFind the speed of a bullet by using the work-energy theorem and conservation of momentum during a collision with a block2006-10-1100 minPhysics 50 example problemsPhysics 50 example problems8-27 Collision of Two Pucks-momentum and collisionsFind the velocity of a puck after collision with another puck2006-10-1100 minPhysics 50 example problemsPhysics 50 example problems8-19 Compressed Spring-momentum and collisionsFind the velocities of two masses after they are launched by a spring2006-10-1100 minPhysics 50 example problemsPhysics 50 example problems8-17 Hip Check-momentum and collisionsFind the velocity of a hockey player after being hip-checked2006-10-1100 minPhysics 50 example problemsPhysics 50 example problems8-1 Momentum of a Truck-momentum and collisionsFind the momentum of a moving truck2006-10-1100 minPhysics 50 example problemsPhysics 50 example problemsGas Guzzling-work, energy, and powerSolutions to Homework 7 - Gas Guzzling2006-10-1000 minPhysics 50 example problemsPhysics 50 example problemsMidterm 2 Solutions-fall 2006Solutions to midterm #22006-10-0500 minPhysics 50 example problemsPhysics 50 example problemsHomework 6 - Design Your Own Rollercoaster - solutionsSolutions to the homework where you were asked about the parameters of a rollercoaster2006-10-0300 minPhysics 50 example problemsPhysics 50 example problems7-76 Minimum Speed of a Moving Block-conservation of energyFind the angle of a ramp that causes a block sliding up the ramp to have the minimum speed after sliding a certain distance2006-09-2700 minPhysics 50 example problemsPhysics 50 example problems7-51 Bungee Jump-conservation of energyFind the parameters of a bungee cord necessary for a given bungee jump2006-09-2700 minPhysics 50 example problemsPhysics 50 example problems7-46 Roller Coaster Loop-conservation of energyFind the minimum height of a roller-coaster hill for the coaster to go over a loop successfully.2006-09-2700 minPhysics 50 example problemsPhysics 50 example problems7-41 Legal Physics-work and energyFind the speed a car was traveling given the length of the skid marks it left when it stopped.2006-09-2700 minPhysics 50 example problemsPhysics 50 example problems7-33 Energy Diagram for Hydrogen-work and energyFind the force on a particle from the energy diagram. Is it attractive or repulsive?2006-09-2700 minPhysics 50 example problemsPhysics 50 example problems7-29 Friction on a Book-work and energyCheck if friction is a conservative force or not by determining the work it does when a book sliding on a table moves in a closed path2006-09-2700 minPhysics 50 example problemsPhysics 50 example problems7-15 Energy in a Spring-work and energyFind the energy stored in a spring when it is stretched or compressed2006-09-2700 minPhysics 50 example problemsPhysics 50 example problems7-2 Lifting a Sack of Sugar-work and energyFind the force necessary to lift a sack of sugar. Find the work done.2006-09-2700 minPhysics 50 example problemsPhysics 50 example problems6-45 a Tandem Bike-work and energyFind the power necessary to ride a bike at a given speed2006-09-2700 minPhysics 50 example problemsPhysics 50 example problems6-33 Compressing a Spring-work and energyFind the work necessary to compress or stretch a spring2006-09-2700 minPhysics 50 example problemsPhysics 50 example problems6-14 Throwing a Rock-work and energyFind the initial speed and eventual height of a thrown rock using the work energy theorem2006-09-2700 minPhysics 50 example problemsPhysics 50 example problems6-3 Reeling in a Fish-work and energyFind the work done reeling in a fish2006-09-2700 minPhysics 50 example problemsPhysics 50 example problemsHW 5 Rides and Elevators-application of newtons lawsSolutions to Homework 5 - rides and elevators2006-09-2600 minPhysics 50 example problemsPhysics 50 example problemsAtwoods Machine-application of newtons lawsWe look at the behavior of an elevator system known as Atwood's machine that consists of two masses held by a rope that goes over a pulley.2006-09-2200 minPhysics 50 example problemsPhysics 50 example problems5-85 Blocks and Pulleys-application of newtons lawsWe find the acceleration of a pair of blocks that are connected to each other by a rope and a system of pulleys,2006-09-2000 minPhysics 50 example problemsPhysics 50 example problems5-43 Swinging Stone-application of newtons lawsWe find the maximum speed a stone can be swung at when it is on the end of a rope before that rope breaks2006-09-2000 minPhysics 50 example problemsPhysics 50 example problems5-30 Cat on a Block-application of newtons lawsWe find the acceleration of a block being pulled along a table by a rope and before and after a cat jumps onto the block2006-09-2000 minPhysics 50 example problemsPhysics 50 example problems5-21 Free Body Diagrams of Blocks-application of newtons lawsWe draw the free body diagrams for two blocks on an incline connected by a rope over a pulley2006-09-2000 minPhysics 50 example problemsPhysics 50 example problems5-19 Apparent Weight-application of newtons lawsFind the acceleration of an elevator necessary for a passenger to have an apparent weight that differs from her actual weight2006-09-2000 minPhysics 50 example problemsPhysics 50 example problems5-13 Tethered Blocks-application of newtons lawsFind the tension in two ropes that keep two blocks from sliding down an inclined plane2006-09-2000 minPhysics 50 example problemsPhysics 50 example problems5-7 Wrecking Ball in Equilibrium-application of newtons lawsFind the tension in the cables necessary to hold a wrecking ball in equilibrium2006-09-2000 minPhysics 50 example problemsPhysics 50 example problems5-3 Hanging From a Rope-application of newtons lawsA person is hanging from a rope, what is the tension in the rope as a function of the deflection angle2006-09-2000 minPhysics 50 example problemsPhysics 50 example problemsHW 4 solutions - Highway of Perilous Death-circular motionWe look at how much a road must be banked for a car to accelerate around a turn without the aid of friction2006-09-1900 minPhysics 50 example problemsPhysics 50 example problemsMidterm 1 Solutions-fall 2006Solutions to Midterm 1 on kinematics2006-09-1500 minPhysics 50 example problemsPhysics 50 example problems4-28 Tow Rope-newons lawsFind the tension in a tow rope necessary to pull a skier up a ski slope.2006-09-1300 minPhysics 50 example problemsPhysics 50 example problems4-25 Pendulum on a Train-newtons lawsFind the force responsible for accelerating a pendulum bob in an accelerating train car2006-09-1300 minPhysics 50 example problemsPhysics 50 example problems4-23 Acceleration of the Earth-newtons lawsCalculate the acceleration that the Earth feels due to the reaction force of the weight of a person.2006-09-1300 minPhysics 50 example problemsPhysics 50 example problems4-22 Woman in Elevator-newtons lawsFind the reaction forces for the forces that act on a woman in an accelerating elevator2006-09-1300 minPhysics 50 example problemsPhysics 50 example problems4-9 Box on Ice-newtons lawsWhat is the mass of a box given its acceleration when pushed on by a given force?2006-09-1300 minPhysics 50 example problemsPhysics 50 example problems4-4 Block on a Plane-newtons lawsHow hard must you pull on a rope to get a block to slide up a plane?2006-09-1300 minPhysics 50 example problemsPhysics 50 example problemsHuman Trebuchet-projectile motionSolution to homework 3 - The Human Trebuchet2006-09-1200 minPhysics 50 example problemsPhysics 50 example problems3-21 Carnival Game-projectile motionDetermine how high a target needs to be in order to be hit.2006-09-0600 minPhysics 50 example problemsPhysics 50 example problems3-12 Jumping Off a Cliff-projectile motionCalculate the necessary initial velocity for the cliff diver to avoid the ledge below2006-09-0600 minPhysics 50 example problemsPhysics 50 example problemsHW2 San Jose Grand Prix-1d kinematicsUsing information provided about the SAn Jose Grand Prix find the acceleration and other parameters for the race cars.2006-09-0500 minPhysics 50 example problemsPhysics 50 example problems2-95 Catching the Bus-1D kinematicsUse the equations of motion in 1 dimension to figure out how fast you need to run to catch a bus that is accelerating away from a nearby bus stop2006-08-3100 minPhysics 50 example problemsPhysics 50 example problems2-45 Throwing a Water Balloon-1d kinematicsUSe the equations of motion in 1D to find the parameters of motion for a water balloon thrown from the roof of a building2006-08-3100 minPhysics 50 example problemsPhysics 50 example problems2-39 Jumping Flea-1d kinematicsUSe the equations of motion in 1D to analyze the trajectory of a flea in free fall after jumping2006-08-3100 minPhysics 50 example problemsPhysics 50 example problems2-33 Trip to the Moon-1d kinematicsFind the time to travel to the moon using some given values and the equations of motion in 1 dimension2006-08-3100 minPhysics 50 example problemsPhysics 50 example problems2-27 Acceleration of a Car-1D motion with constant accelerationUse the equations of motion in 1D to find the acceleration of a car2006-08-3100 minPhysics 50 example problemsPhysics 50 example problems2-23 Automobile Airbags-1d kinematicsUse the equations of motion in 1D to analyze a car crash2006-08-3100 minPhysics 50 example problemsPhysics 50 example problems2-21 Running Antelope-1d kinematicsUse the equations of motion in 1D to find the acceleration of an antelope2006-08-3100 minPhysics 50 example problemsPhysics 50 example problems2-19 Spider Crawl-1d kinematicsRelate the parameters of motion to a graph of displacement versus time2006-08-3100 minPhysics 50 example problemsPhysics 50 example problemsHW1 The Flying Fox-vector manipulationThe method for the solution to homework 1 is presented. A written solution and the full set of answers are available in a PDF document in the handouts podcast.2006-08-3100 minPhysics 50 example problemsPhysics 50 example problems1-12 Percent Error in a Year-unit conversionWe practice unit conversion by finding the number of seconds in a year and then find the percent error in a simple estimate of this number2006-08-2300 minPhysics 50 example problemsPhysics 50 example problems1-7 Speed of the Concorde-unit conversionWe show how to convert units from miles per hour to kilometers per hour and meters per second2006-08-2300 minPhysics 50 example problemsPhysics 50 example problems1-54 Vector Cross Products-vector reviewWe practice taking the cross product (also called the vector product) of vectors. We use both the method of the determinate and the right hand rule.2006-08-2100 minPhysics 50 example problemsPhysics 50 example problems1-50 Vector Dot Products-vector reviewWe practice taking the dot product (also called the scalar product) of vectors2006-08-2100 minPhysics 50 example problemsPhysics 50 example problems1-39 Vector Addition by Components-vector reviewWe practice adding vectors by adding their components2006-08-2100 minPhysics 50 example problemsPhysics 50 example problems1-32 Graphical Addition of Vectors-vector reviewWe show how to use a ruler and protractor to estimate the sum of vectors2006-08-2100 minPhysics 50 example problemsPhysics 50 example problems1-97 The Big Dipper-vector manipulationProblem 1.97 from the textbook - Given the location of two stars in the big dipper relative to the Earth, where would the Earth appear from the perspective of one of the stars?2006-08-1200 minPhysics 50 example problemsPhysics 50 example problemsVector Example-Vector ComponentsWe break a vector into its x and y components, then we consider an example where the components of the vector we are interested are inclined at an angle2006-08-1200 min