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.
What is the relationship between force and velocity in relativity and calculus?
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Calculating Magnetic Fields Force & Momentum
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Gas isobaric conditions problem
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Solving Electric Potential & Field of Continuous Charge Rod: Q&A
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What is the tension required to raise a crate using frictionless pulleys?
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Draw and name the shape of the following molecules: a) CO3^-2 b) SF2
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Need Help with Advancing Physics C/W? Let's Tackle Data Analysis Together!
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Measuring Depth of Water in a Tank: Course Help
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Rearranging Formula with t as Subject - Grace
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Explaining Work & Accel. of Particle Moving in Circular Path
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Inclined Planes and Acceleration
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Find Work done by a force field
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Physics teacher is bad, can I teach myself?
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Why Do Different Sized Balls Travel the Same Distance in a Physics Experiment?
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Solve Collision Problem: 1300kg Car A vs 1200kg Car B
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How do I calculate current, power, and force in a circuit with given variables?
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Electric Fields charge problem
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Solving the Force & Acceleration of 8Be Nucleus
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What Type of Gas Can Be Used for Isothermal and Adiabatic Energy Storage?
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A proton colliding with a stationary carbon nucleus
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How Do You Calculate the Internal Resistance and EMF of a Solar Cell?
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Ballistic Pendulum Homework Problem
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What is the skier's launch speed?
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Calculating Free Electron Density in a Metal Wire
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Why Is My Calculation of Work for Sliding a Crate Up a Ramp Incorrect?
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Calculating Heat of Vaporization for Solid CO2 in Water
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What is the total electrical potential energy
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Homework problems (galvanometers)
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Deriving the Maxwell Stress Tensor for a Spherical Charge Distribution
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True or False on kinetic energy
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Still no confident with these answers.
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Just one harmonic motion problem
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Fluid Dynamics & Physics Questions: Answers & Discussion
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Differentation Problem (involves product rule)
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Solving the Integral: $\int_{0}^{\ln 2} e^{-2x} \,dx$
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Electromagnetic Forces and Fields: Ranking, Ratio, and Distance Calculations
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What Is the Magnetic Field Between Two Parallel Wires Carrying Current?
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Solving Calc AP Problem 1: Total Distance 0-2
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Towing a 25.0 kg suitcase at constant speed with handle at an angle
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How Well Do You Understand Inductive Circuits and Magnetic Fields?
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Physics Project Ideas: Statics & Dynamics
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Circuit Help (Kirchoff's I Believe)
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Speed of an object thrown down a hole to the center of the earth
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Calculate Center of Mass for 1.05cm Baseball Bat with Linear Density Formula
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Troubleshooting Ideal Gas Laws Problems: Mass, Moles, and Volume Calculations
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How Do You Convert Momentum from MeV/c to kg-m/s?
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Finding the mass of the earth's atmosphere
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How Do Material Thickness and Thermal Conductivity Affect Heat Loss in Clothing?
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Calculating Reactions at C & D Using 2 Force System | Step-by-Step Guide
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Need a bit of help with j-hat and i-hat in a collision
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What Is the Work Required to Accelerate a Proton from 0.5c to 0.7c?
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What is the thrust of the engine?
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Which vehicle experiences the greater momentum change in a head-on collision?
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Thermal/mechanical/potential/kinetic energy help
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Electricity Circles question that's killing me
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Understanding the Force on a Current-Carrying Conductor: Explained
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Back EMF in Motors Explained - Need Help?
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Analyzing Electrical Circuits: True and False Statements
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Unanswered Questions about Imaginary Tides: Help Needed!
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Calculating Charge of Insulating Balls
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In how many ways to answer a true-false test with 6 questions
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Find the Volume of xº Plane with 10kg and 15kg Masses
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How Do You Solve These Calculus Differentiation Problems?
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What is the magnitude of the total momentum
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What is the charge of the particle being accelerated in a mass spectrometer?
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Are Kinetic and Potential Energies Equal in Simple Harmonic Motion?
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Why Do Astronauts Experience Weightlessness?
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Egg drop: no parachutes or padding
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How to Solve a Geometry Problem?
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Program for writing equations / expressions
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Calculating Momentum & Angular Momentum in a Magnetic Field
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How Can You Calculate Heat Transfer and Energy Costs in Various Scenarios?
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How Does a Silicon Thermistor Measure a Child's Temperature?
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Find Appropriate Angle for Forces in Free Body Diagrams
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Solving the Problem of Converging Lenses' Focal Point
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How is this related to entropy?
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Climbing 1600 Stairs: Energy Loss & Walking Equivalent
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Charge on a mass by removing electrons
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Another moment of inertia with possible answer
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Finding The Volume Of Solid Using Triple Integrals
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Is this a center of mass question?
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Can You Explain How Heat Engines Work?
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Solving for Time and Distance in Two Cars Traveling at Different Speeds
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Deriving Potential Energy from a Force Law
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Calculating Velocity and Time for Vertically Thrown Stones
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Understanding the Determinant of the Product of Two 2x2 Matrices
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Solving Paul Tipler's Challenging Physics Problem
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Solving a Physics Scenario: Good vs. Bad Guy in a Frictionless and Airless Ditch
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Determine the change in internal energy of boiling water
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Double Slit Diffraction Problem
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Calculating Current in Parallel DC Circuit - Solving for I3
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Which weight will upset this table
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Can You Solve This Equation? A Collection of Math Jokes and Sayings
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Help! How to Solve Math Methods Problem Involving Radio Transmitter & Railway
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How to Determine Transformation Parameters for Triangles in Geometry?
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How Do You Calculate Potential Energy and Work in Physics Problems?
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Triple Integrals Over General Regions
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Conservation of Angular Momentum
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Why is the electric field zero to the right of two parallel, charged plates?
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How is the net charge distributed on the inner surface of the outer sphere?
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