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.
Calculating Moment of Inertia and Frictional Torque for Rotating Wheel
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Fluids at Rest: Calculating the Force Required to Hold Wood Underwater
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Finding zero net force between two charges
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Two problems gettin on my nerve
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Center of Mass and Linear Momentum of pellet gun
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What Is the Realistic Horsepower of a Truck Climbing Rabbit Ears Pass?
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Solving Quadratic Equation: Find the Time
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Solve Acceleration Due to Gravity on Distant Planet
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Help with Newtons laws and friction
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Critical angle/ last angle of refraction
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What Mass Can a Bug Have to Maximize Stress on a Spider Web?
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Significant Figures: Dealing With Simple Calculations
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Moment of a force about a point
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Accelerating Ions through semicircular plates
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Static and Kinetic Friction Forces (Finding Net Force)
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Please Explain when an RC Circuit Opens - Effect on a Light bulb
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How Do You Calculate the Area of a Gold Leaf and the Length of a Gold Fiber?
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Finding where Magnetic Fields = 0
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How to Find Force Given Mass, Distance, Angle, and Velocity?
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Reflection and Refraction, much index of refraction
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Max Mass of Carpenter to Keep Table Upright: Fnet=ma #15
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Thermodynamics ice cube question
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Canoeing: Speed Relative to Water and Shore
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Calculating Height Using Elastic Potential Energy
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Vectors, magitude, scalar components
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Projectile motion cannonball problem
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Calculating Work Required to Move a Charge Between Two Identical Charges
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What is the Maximum Acceleration of a Mass Attached to a Vertical Spring?
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What is the Torque on Point A?
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Finding X components for instantaneous velocity with points on a graph
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What Happens to an Insulator When a Charged Metal Ball Approaches?
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How Do You Calculate Wave Speed and Frequency in Water and Sound Waves?
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How Long Does It Take to Hear a Stone Hit the Bottom of a Shaft?
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Spring and electrostatic forces
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Pendulum acceleration homework
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How to draw electric field around neutral object, dipole, and charged object
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Projectile with fixed angle and tripled velocity
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What Are Key Questions About Light Refraction and Wavelength?
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Finding Resultant Force Components and Magnitude: Fx, Fy, F, and \gamma
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Kinematics question centripedal acceleration and projectile motion
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What Is the Centripetal Acceleration at Different Points on a Rotating CD-ROM?
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Tension and Velocity: When Does the Object Return to its Initial Position?
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Heat Tranfer Problem with Varying Temperature
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How Does Temperature Affect the Diameter of a Hole in an Aluminum Plate?
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Solving 2007 F=ma Physics Olympiad Problems: AP Phys. C Study Guide
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Need Help Solving Grade 10 Final Exam Questions!
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Finding Equilibrium Charge: Solving for the Number of Electrons Transferred
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Calculate Acceleration of object in Circular motion
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Relatvitiy - Spaceship traveling into Galaxy
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Introduction to Physics HELP. I AM LOST
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Dinstance traveled with a constant force?
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How Long Does a Projectile Take to Reach the Valley Floor?
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Electron & Proton within a capacitor
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Thermal Expansion of a steel plate
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What is the Minimum Force to Move Two Connected Bars on a Frictional Surface?
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How to Calculate Electric Field of Half Spherical Shell with Gauss Law?
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Electric field and charge enclosed
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Impulse-Momentum Theorem and diving board
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Weight & Tension Helo 2 Tension
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Short answer questions on Solid state physics
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Understanding the Electric Field of an Infinite Wire
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Moving a block with kinetic and static friction to find the net force?
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Calculating Tension: Pulley System with Different Masses | PhysicsForums
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Dude. How do you Uncross a cross product?
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Dimensional Analysis Equation Help
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Finding the magnitude of force given acceleration?
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Electric potential inside charged ball
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Find Forces Homework: Solve F1 & F2 Equations
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Currents in an series electric circuit
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Perfectly Inelastic and initial kinetic energy
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Circular motion/momentum conservation
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How many tanks can a 150 ft. barge carry without sinking more than 1 ft?
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Max Height Achieved by Ball in Physics Project
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Thermal Conductivity of a Metal Rod
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How Is the Electron's Path Altered in a Parallel-Plate Capacitor?
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Quantum Mechanics and Eigenfunctions Checks
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Electric field of a cell membrane
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I quick. havent been paying much attention.
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Magnitude of the Net Electrostatic Force On an Oxygen Atom
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How Do You Calculate Direction and Vector Components in Physics Problems?
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What Force Does the Wood Exert on the Bullet?
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Cannon Fire! Senior Physics Research Project
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Electric Field Problem in a Tube
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How Do You Calculate Acceleration from Position and Time Data?
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What Is the Final Charge on Sphere C?
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Solve Spring Mass Change Problem: Find Distance for 4kg Mass
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How Fast Does a Bowling Ball Travel When It Falls Off a Table?
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How many of C8H8's electrons has it gained/lost?
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Change in Velocity: Find Solution and Reasoning
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Block held against a spring going up a frictionless plane
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Lose weight (mass) or train? - effect of losing weight (mass) on power
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Find the coefficient of kinetic friction?
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Kinetic Energy: What am I doing wrong?
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Electric fields and equipotentials
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Elastic Potential Energy problem
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Elastic Potential Energy Physics Problem
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What is the heat capacity of the tires of the car?
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Solve for the amount of force on an 8kg ball
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Find Tension & Force Exerted by Shinbones on Foot w/ W, a, & b
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Table tennis and air resistance
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