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 Final Velocity of a Car Over a Ramp
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Troubleshooting the Average Value of a Function
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Rotational Equilibrium and Dynamics
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Dielectric constant for a plastic kitchen bag?
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How do I solve the integral of ln(x+2) using integration by parts?
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How do I perform the integral of sec^2(3x) tan^5(3x)?
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Geometry-Ratios homework problem
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Note: the two proofs are not the same!
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Air-filled parallel-plate capacitor question
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What is the magnitue of the average Force from the wall stopping it?
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A simple conversion question that im getting wrong
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Heigh Ho, Heigh Ho, Problems with Work, Y'Know?
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How Do Kinetic Energy, Work, and Power Interact in Physics Problems?
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Car, Coffee, and static friction
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Finding Imaginary Numbers with Cosine of 3
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Understanding Moment of Inertia for a Box: Calculations and Examples
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Understanding Charge and Current in a Series of Questions
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How Does the Divergence Theorem Apply to a Vector Field on a Unit Sphere?
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How Do You Calculate the Range of a Ball Thrown from a Hot Air Balloon?
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How Does Acoustic Radiation Pressure Exert Force on Objects?
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Acceleration on an Incline: Calculating Net Acceleration and Final Speed
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Really easy thing but i'm getting something wrong
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Debye Potential and Jupiter encounter
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What is the Coefficient of Kinetic Friction for an Inclined Object?
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Potential & Kinetic Energy Calc: x0=3.2m to x1=2.8m | Help Needed
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A solid ball - kinetic energy and angular speed
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Easy problem but i'm getting something wrong
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Solving Momentum vs Energy Problem: Distance of Clay Parts
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Proving Triangle AEF = Triangle FBD: A Puzzling Problem
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Simple Questions Part 2: Q32,33 & 31 - Help Needed!
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What is the correct answer to the electric strength problem?
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How Do You Convert Watts into Kilowatt Hours?
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Help with a couple of questions
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How Do Newton's Laws Apply to a Frictionless Pulley System?
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Analyzing the Forces & direction of friction
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Troubleshooting Galvanometer Problems and Calculating Resistance | Expert Tips
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Help Solve My Non-Calculus Physics Homework Problem
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Challenging Mechanics Questions: Help Needed!
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What does it mean to find a formula as a function of temperature
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Help Solving Entropy Problem: Part A-D
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How Does Changing Plate Separation Affect Energy Stored in a Capacitor?
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Calculating Inductance of a Tightly Wound Solenoid
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What are some ideas for building a car powered by Newton's third law?
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Graphing the derivative of a graph
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Is This the Correct Differential Equation for a Mass-Spring Oscillation Lab?
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Physics Problem: Drawing Vector Diagrams
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What Are the Latest Innovations in Superglue Materials?
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Why isn't the force 1N times the gravitational constant?
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Help - Missing Step - Gas in a Tube
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Completing the Square: Tips and Tricks for Solving Quadratic Equations
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Calculating Resistance of Aluminum Cylinder
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This problem is driving me crazy
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Solve Spiral Orbit Force Field: Desperate for Help
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Tips on how to graph this one's derivative?
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What am I missing in solving this differential equation?
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Transforming a Differential Equation: Tips and Tricks
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Find the solid angle subtended at the orgin
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Is the Triangular Lamina Stable When Suspended from Point C?
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How Far Does a Bus Travel After Accelerating and Decelerating?
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What is the angle of the electric field near a charged rod and two balloons?
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Is the Orbital Energy of a Comet Elliptic, Parabolic, or Hyperbolic?
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Induction & Tranformer Problems
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Calculating Forces on Boy Sledging Down Slope
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Finding the Polar Equation of a Circular Orbit in a Central Force Field
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Air Resistance: Solve Your Questions Here
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Tension Pull problem w/friction
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How far does a projectile travel in a given time?
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Solve a Simple Kinematic Question: Space Shuttle Landing Acceleration
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Finding the Speed of a Point on a Rotating Grinding Wheel
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Struggling with Solving Integral of arcsin x: Seeking Help and Hints
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Calculating Cutoff Frequency with Oscilloscope and Coaxial Cable
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Solving Standing Waves/Nodes: 230 Hz, Harmonic Order, Fundamental Freq
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Electric Field w/ Continuous Charge Dist.
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Motion & Vectors: Find v1, Accel, Vel.& Pos. as Fn of Time
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How can I solve equations without graphing?
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Finite Rotations: Prove D^(1/2)[R]
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Why Is It Hard to Find Images of Mobius Syndrome Online?
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Electric Forces and Electric Fields
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Calculating Work Done by a Spring with Initial Compression
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Finding Moment of Inertia: 2 Questions Answered
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Magnitude of acceleration of electron in electric field
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What Distinguishes Internal Forces from External Forces?
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Finding Values for Theta in Vertical Plane Rotation Problem
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Electricity, Conducting Plates and Magnetic Fields
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Calculating Air Kinetic Energy & Vrms of N2 & O2
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Inductors i think it'll make an harmonic type of move
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How Much Energy Is Needed to Freeze Water and Melt Ice Through Friction?
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How to Find Vector Magnetic Potential A from Magnetic Flux Density B?
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Calculate Ice Thickness in Chicago Pond: Heat Transfer Help
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Annoyinlgy easy problem with thermodynamics that I can't get my head around
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Diagram & Calculations for Pulley System with Masses 8kg, 2kg, and 4kg
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Are My Physics Problem Answers Correct?
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Solving Physics Problems: Tips & Strategies
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How Is Magnetic Field Generated by a Stream of Protons?
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Can I show my solution? Linear Algebra
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Solving the Group O(n) Generator Problem
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Can you help check my answers for rotational motion homework?
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Different colored light on solar panels?
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Acceleration Questions: Answers to Solve Equations
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How Do Sound Waves Measure Water Depth in Physics Coursework?
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