Introductory Physics Homework Help Forum

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Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Photon Arrival Rate, Chapter 1.5 from Computer Graphics by Folly
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Flux of constant magnetic field through lateral surface of cylinder
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Rectangular Box with two non zero potential faces
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Finding speed of a falling brick using distance and the acceleration of gravity
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Uncharged conductor inside an insulating shell
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Voltage Drop in Parallel Receptacle Wiring
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Heavy mass vs light mass in circular motion
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A Stone connected to chain is thrown vertically
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From circular orbit to elliptical orbit
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Linking moments with friction force for a sliding block
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Escape velocity and tangential impulse
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Accelerating wedge with a block at rest on it
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Momentum - Impulse collision to find initial speeds and directions
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Escape velocity of solar system
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Resistor value given capacitance and EMF with a resistance R after 3ms
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Launching a Projectile with Air Resistance
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Probability/entropy of spontaneous event
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What are the key considerations for designing an Inductrack highway system?
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How Does Velocity Impact a Skier's Magnitude and Movement?
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Quantum Tunneling to an infinite wall
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Calculating Electric Potential and Energy in a System of Spherical Conductors
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Halliday Resnick Krane Example Problem: Uncertainty on Weighing Machine
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Understanding the Radial Attraction Force between Two Electric Dipoles
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[Intro QM] Verification requested on possible solution for a question
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Conducting cable surrounded by two cylindrical shells
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Problem about electric potential
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Period of simple pendulum on an inclined moving platform
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Angular frequency of a mass performing SHM
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Momentum and Impulse Problem with a Ball bouncing off a Wall
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Entropy due to this irreversible process
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Calculating Velocity from Conservation of Momentum: A Science Tutorial
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Engineering Practice Problem for a Pin-Connected Frame
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How Do Spring Force, Static Friction, and Normal Force Interact?
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How do you know if the focal length is positive or negative?
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Gaussian cylinder enclosing cylinder of charge
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Will the spring stretch or compress?
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How do I find that the tensions from both sides are equal?
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Bernoulli equation / fluid flow / finding height
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Period of spring-mass system and a pendulum inside a lift
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Angular momentum / conservation of momentum questions
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Forces acting on a Walking Beam (oil rig pump) from a pivot pin
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Surface Current and Electric Field
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Understanding Electric Field of Positive & Negative Plates
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Vector Diagram of Impulse: Is My Drawing Correct?
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How far will a piece from an explosive projectile fly?
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Weight of object below the Earth's surface
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Need Help with Physics Moment and Force Questions
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How can an event which has length and time have L = 0?
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Sphere and electric field of infinite plate
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What is the maximum stretch of the bungee and will the mass hit the ground?
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Tension between two rigid bodies
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Fluid mechanics concept help please -- Pressure versus depth
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How Do You Apply Zonal Spherical Harmonics in Electromagnetism Problems?
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How is the amplitude of a wave related to the slit width?
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Find the electric field everywhere resulting from two infinite planes
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Proton Deflection when traversing a a Parallel-plate Capacitor
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Maximum Deflection Angle In Elastic Collision
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Solving Tetherball Problem: Find Tension & Angle θ
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Time falling on slopes of same length
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Calculate the charge on an oil droplet
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Normalizing Wavefunction: Hard QM Question)
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Grade 11 Motion Question -- An object is pushed from rest across a sheet of ice
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Understanding a question about a finite energy well when E < 0
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Why does a free particle in an infinite well have uncertainty bigger than h/2 ?
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Σ free on two dielectric spherical surfaces
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Energy change under point transformation
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Write a realistic word problem for which this is the correct equation
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Finding the Compression of a Spring Using the Work-Energy Theorem
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Interpreting the Conservation of Momentum in a Splitting Object Scenario
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Geometrical optics: using Snell's law, find the depth of the pool
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AC circuit power formula question
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Dispersion diagram of light source seen through prism
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A classical mechanics problem involve rotating
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How Does Colatitude Affect the Direction of Coriolis Force?
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Kinematic Problem w/ Parabola: Solving w/ KE Theorem?
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Painter on a crate - Acceleration
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Magnets near a current carrying wire
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Galilean transform and Lorentz transform questions
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E-field of solid sphere with non-uniform charge density
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How much ice to cool down this water?
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A rocket on a spring, related to potential/kinetic energy
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Yes! Calculating Friction Coefficient
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Is the Bohr Model Defined by Equating Coulomb and Centripetal Forces?
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Measurement of speed using redshift or blueshift
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Power required to climb a 20-m-tall building in 55s
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To move a block up to the top of the wedge
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Solution Attached: Download Now!
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Finding the force of reaction as a function of time
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A-level Maths Mechanics: Prevent Block from Sliding Down Inclined Plane
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Estimating the Bohr radius from the uncertainty principle
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A practice problem with Schrodinger equation
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Incorrect Calculation of Time for Reactor Energy Phase Change
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A proton emitting and re-absorbing a pi meson
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Constraints on a hoop rolling on a cylinder
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Why is the first peak in the Franck-Hertz experiment longer than the others?
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Dimensional analysis of the equation u=prg
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A bar suspended by two vertical strings
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Understanding Fundamentals of Electronics: Solving an Electric Charge Problem
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Rocket ejecting mass in a direction perpendicular to its velocity
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Lagrangean and non inertial frame
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