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.
How Does the Electric Field Vary with Distance in a Cylindrical Shell?
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Calculating Speed of Sound with a Resonating Tube
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Two physics problems involving collisions
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Do I need to convert wavelength to meters
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Understanding Light, Lenses, and Mirrors: Final Exam Review
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Looking for vector drawing program.
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Kirchoff's Law: Which Direction Does the Current Flow?
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Gravitation and Circular Orbits
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How Fast Must a Bullet Travel to Heat Water by 1.3 Degrees Celsius?
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Xcel Energy's Comanche 3 Power Plant in Pueblo, CO
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Solve More Force Problems: Mass Calculation
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Finding the Coordinates of a Point Using Rectangular and Polar Formulas
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How Does a Siphon Work with Different Liquid Heights and Pressures?
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Fluids: Buoyancy Homework - Prove Archimedes' Principle
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What Is the Maximum Angle of Incidence for Light in Diamond?
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Problem finding angular velocity
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Simple Harmonic Motion - Floating Object
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Find postition on third charge question
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Gravitational Forces acting on a satellite
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Calculating Negative Charge in Nitrogen Gas: A Static Electricity Problem
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Understanding Contact Forces: Homework Question and Solution
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Net Force Question with no velocity or time given.
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What is the Potential Difference VC-VA in the Electric Field Problem?
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What Is the Impact Speed of a Ball Thrown from a Window?
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What is the angle of the hanging ball in an electric field of 1.00×10^5 N/C?
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Calculate Fnet to Find Change in Momentum
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How Do Electric Fields Accelerate Electrons?
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Find speed of object traveling up a ramp
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Total Energy Problem: Ratio of A to B
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Physics Homework Help: Finding String Tension in Vertical Circular Motion
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What was the speed of the bullet before it hit the block?
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How Do You Calculate the Potential Difference to Accelerate a He+ Ion?
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Calculating Charge Flow in Capacitor: 1.02V to 6.78V Battery Swap
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Adding heat for final temperature
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Physics help average acceleration
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Different values with rotational kinematic equations
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Sphere's Electric Potential HELP
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Calculating Final Temperature of a Mixture with Phase Change
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Need Help with Newton's Laws Problems?
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Calculating Angular Acceleration and Required Force for Forearm Throw
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Prove a vector is perpendicular to a plane?
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Moment of inertia and a gyroscope
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Solved: Spark Transmitter Circuit Connection
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Constructing a Competitive Alternative to the Tesla Coil: Tips and Tricks
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Better Project than Tesla Coil | Get Help Now
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What is the initial velocity of a flea that jumps to a maximum height of 0.550m?
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Continuity: Constant mass flow rate
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Ice displacing water question, - really bad
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Electric field due to arc of charge
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Can Two Solenoids Levitate a Steel Ball?
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I need AP Physics B FR/MC Questions
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Help with something to do with angular stuff?
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Kinematics - Find static friction coefficient of a coffee cup
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How Strong is the Electric Field Between Two Plates?
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Optics, lens problem pleaase help
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What is the period of revolution for a charged particle in a magnetic field?
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Excess electrons or protons on drop.
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What is the net force on an airplane window at an elevation of 12500 m?
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Gravitation and Circular Orbits
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Lens Problem, Help from Anyone Thank you, I appreciate it very much
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What Are the Solutions to These River Current Boat Problems?
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Deciphering Asteroid Stats to Divert an Impact on Earth
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How Much Water Must Be Supplied to Saturate Breathed Air and Its Caloric Impact?
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Aeordynamics, drag, wind resistance - table with Cw values for objects
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What is the speed of the paint can just before it hits the ground?
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Electric Charge and Coulomb's Law
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Balancing a Hydraulic Lift with Two Pistons
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What is the Physics behind a Car Flipping on a Roundabout?
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Space travel, mass increase, and length shorteneing
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Why Does a Spring's Work Calculation Include a Factor of 1/2?
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Find the phasor representation of an equation
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Simple pendulum: does the period change in a horizontally accelerating frame
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Young's Double Slit Experiment questions
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Plotting Phasor representations of functions
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Why Does a Magnet's North Pole Point Upwards in the Southern Hemisphere?
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Capacitor partially dipped in water
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Solving Drag Racing Problem: Who Wins and By How Much Time?
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Conservation of energy of ball with drag
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How Do Liters Translate to Meters in Flow Rates?
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Ratio of net gravitational pull on moon
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Calculating Mass to Support Car Weight on Hydraulic Lift
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Mainly centripetal forces, please check (esp #4)
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Calculating the Net Downward Force on a Cylindrical Water Tank on Mars
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What Is the Frequency of Electron Oscillations Near a Charged Square?
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Speed of an Electron in an Electric Field
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Need help in electric field problem
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Circuit problem, prob really easy, please check
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Car Braking Distance: Calculating Distance to Avoid Collision
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Suspended hotel walkway (Young's modulus problem)
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How Do You Calculate the Force on a Charge in an Electric Field?
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Calculating Car Acceleration on a 1.2 Meter Hill in 2 Seconds
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How Do Tension and Distance Affect Pulse Travel Time in a Stretched Cord?
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How Do You Calculate Potential Energy for Climbing Mount Everest?
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Solving for Distance of Crate on Level Floor with Given Force & Time
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Understanding Notation: Deciphering the '<<' Symbol
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What is the velocity of a transverse wave on a steel cable under tension?
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Find the angle theata for a vector
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Man Moving Crate: Physics Homework Help
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Pinball spring problem help me please
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Static Friction: Rotational & Translational Effects and Accelerations
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