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.
Mobile Phone Tower Question - Wave Equation and No. of Photons Per Sec
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Projectile problem (This is a quickie)
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Solution to Schrodinger Equation
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Calculating Average Recoil Force for Machine Gun Firing 50g Bullets
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Rolling sphere, where to start when i dont know the radius?
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Why Integrate Over Entire Conducting Rail Instead of Bar Area?
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Physics Exam Revision Help - Exam in 5 hours
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Calculate Angle of 3.50 kg Mass on 1.59 m String Revolving at 2.99 m/s
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Finding gravitational potential and intensity in point A
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Transmission and reflection of waves at boundaries
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How Do You Calculate the Density of a Partially Submerged Cube?
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How to Determine Final Speeds in a Glancing Collision Problem?
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Elastic Collision in Deep Space
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How can I know when to use different trigonometric functions?
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How long can a ship stay in a port with a harmonic tide pattern?
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M_p^3 = \frac{V_s^3}{2\pi G} PM_s^2Solve Binary Star Mass Homework Equation
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Acceleration in Kinematics: How Does it Vary with Displacement?
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How Do You Calculate the Moment When Speed Changes in a Decelerating Car?
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Find the viscosity coeffienct of glycerol, using stokes law
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How Do You Solve Vector Problems in Physics?
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What is the equation of motion for the mass in this system?
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Planetesimal Accretion Time Estimation
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Simple finding linear acceleration
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How Do You Calculate Relative Velocity on a Moving Barge?
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Uniform, semicircular rod of radius R and mass m in the center
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Calculating Final Speed and Kinetic Energy in an Elastic Collision
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Gravitational potential of a sphere
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How Are Distances from the Center of Mass Determined in Classical Mechanics?
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Calculating resultant torque using cross product
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Can a satellite be raised to a new orbit with two impulses in this scenario?
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Does Material Expansion Impact Accuracy in Thermal Expansion Experiments?
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General Formula for Acceleration of a Disk Rolling Down an Incline
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Two planets connected by a spring no gravity
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Wheel on a vertical plane. Find tangential speen and acceleration.
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How Should You Properly Ask for Homework Help in Online Forums?
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SHM and Circular Motion Problem
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What Is the Height of the Tower?
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Thevenin equivalent for an AC circuit
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Introductory Simple Harmonic Motion Problem
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How to calculate the frequency given a colour, angle, 100 slits/mm.
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Electrodynamics problem (circuit with two sources)
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How Is Acceleration Calculated in a Basic Table Pulley System?
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Tennis ball's final velocity without it's initial
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Multipole approximation outside conducting sphere
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Stuck (Kinetic Energy & Pressure of Meteoroids)
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Unit Conversions and Mistakes: Understanding the Basics
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Momentum of Falling Rock: A, B, C, D, E
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Regarding ' The Electric field inside a non conducting shell '
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What is the equation for the kinetic energy of a pendulum at any point?
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Planck's constant got from experiment lower than accepted value
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How Do You Calculate Force on an Inclined Plane with and without Friction?
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How does the reflection of light at different angles affect polarization?
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The change in entropy of the gas vs thermal reservoir
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Proving that central force is conservative and getting the energy
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Electromagnetism, calculation of B
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Min Period of oscillation of a rod
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Magnetic field from a conductor using Law of Biot-Savart
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Sinusoidal Pressure Wave: Questions & Answers
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Harmonics, Notes, Beat frequency
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How Fast Will an Apple Fall from a 15m Building?
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What is the energy principle and how does it apply to this problem?
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Electronic field calculation of 2 wires
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Friction and Energy: Understanding Inclined Paths
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Troubleshooting a FBD of a Pulley
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Diffraction - opening smaller than wavelength
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The existance of Electric field
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Harmonic Oscillator Homework: Graph, Spring Constant & Weight
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Solving Frictional Forces Homework
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Investigating Charles' Law: Estimating Water Vapour's Effect on Results
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Kirchoff's rules and capacitors
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How Is the Total Number of Charge Carriers in a Conductor Calculated?
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Exercise of Electromagnetic Induction
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No Work Done on a Textbook: Explanation of Concept
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Dipole moment of given charge distribution
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The period for small oscillations of a system
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Kinematics Questions: Acceleration, Velocity, and the Speed of Light
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Capacitor Energy with a Dielectric
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Motion of a Particle in a Plane: A Quiz
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Parallel Plate Capacitor and Battery
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Electric Fields of Cylinders and Cylindrical Shells
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Solve Work w/ Pulleys Homework: Answer & Explanation
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Dimensional Analysis Problem: Mass of the Solar System Excluding Planets and Sun
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Need Help w/ Massachusetts Physics Standards
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What is the expression for terminal speed in this homework statement?
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Another conservation of momentum problem
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Conservation of momentum uranium atom problem
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Solving Adiabatic Process for Diatomic Gas: Volume & Temp Change
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Calculating pipe diameter for half-flow condition/mannings equation
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Is Gravity Involved in the Motion of a Pendulum After a Collision?
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Understanding Torque for car rollover
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Electric field in and around an infinite sheet of charge.
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Poisson distribution (radioactive decay)
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Refraction and Magnification of a Coin in a Glass Cylinder
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Velocity of uniform circular motion
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Need free program to plot expressions in polar coordinates
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Calculating Electric Field on Skin Surface with Decibels - Homework Help
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How does pressure energy influence fluid flow in a tube with varying heights?
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Finding Vout/Vin of an RL filter
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Find maximum velocity in Acceleration-Time Graph
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What is the concept behind these two similar Thermodynamics problems
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