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 Can a Train Travel Optimally Between Two Close Stations?
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Can Negative Acceleration Indicate Speeding Up?
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Trigonometric Function Application
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How Does Resistor Position Affect Transistor Storage Time?
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Magnetic Breakaway Force: Explained
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Storage time of a transistor changes
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Solving Friction Problems: Coefficient of Kinetic & Normal Force
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Solving Integration Problem: Substitution for x√(x-1)
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Really simple problem - can't get right answer
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Tricky track/friction problem (again)
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How to Calculate Maximum Angular Frequency for Blocks on a Spinning Turntable?
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Terminal Speed of 6.5 kg Ball: Calc Error?
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Kinematics one dimension. help
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Why Do My Physics Calculations on Force and Acceleration Keep Going Wrong?
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Equilateral Triangle Point Charge Problem: Solving for the Unknown Charge
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How Long Does It Take for a Police Officer to Overtake a Motorist?
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An Atwood's Machine lab question?
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Find the requested function and sketch the curve
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Problem with energy conservation
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Triangle Area Based on Segment Division
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Help, im rusty on first homework question
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How Can I Solve These Physics Problems on Motion and Acceleration?
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Calculating Resultant Displacement in a Cave: A Trigonometry Problem
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Really easy 1-d motion question
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Find the probability distribution
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Why Does Ohm's Law Calculation for External Resistor R Seem Incorrect?
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Fourier integral / transform ? What is it really?
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What is the potential of the other terminal in a car battery?
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What is the force acting on a ball at the top of its orbit?
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Solving Newton's Laws to Find Total Force - Physics Test Prep
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What is your average speed from Houston back to San Antonio?
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Is the Given Series Convergent?
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Bouncing ball and acceleration
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Determine the magnitude and direction
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Math Triangle-inequality problem
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Cracking the Mystery of Fermi Numbers - Come Help!
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Find Acceleration of 11.5N Bucket Pulled by 9.7N and T Forces
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Gauss's Law: Cylindrical Symmetry
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Calculating Net Force: 11.3N Bucket Pulled by 8.7N & Unknown Angle Force
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How fast must a Puma leave to ground to go 12 feet high?
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Calculating Kinetic Friction Using F=ma and X_0*K
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Solving Kinematic Q: Plane Releasing Package, Angle of Velocity Vector
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Help: Newton's Laws - cement bag at rest.
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What is the Minimum Altitude for Ice to Melt and the Best Engine Design?
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Distance Traveled in 8s: Factor of 1st Second
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Sequences/series - just a silly question
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Estimate how fast he should be moving
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Finding the Area Within Two Ellipses Using Integration?
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Help with integrating these simple functions
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How Does Thevenin's Method Apply to Complex Circuit Analysis?
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How Can Friction and Spring Dynamics Affect Velocity on a Circular Track?
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Why Does the Basis (1, 1, 1) Satisfy the Given System of Linear Equations?
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How Do You Calculate the Distance a Motorboat Travels After Engine Shutdown?
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Solving Glancing Collision: 50Kg Object Velocity Before Collision
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How Does Wave Frequency Change with Each Harmonic in a Standing Wave Experiment?
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Calculating Power Delivered by Battery in RC Circuit
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Help Solve Physics Problem: Rocket Acceleration in <60 mins
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Force due to uniformly charged rod
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Trouble Setting Up Projectile Motion
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How Do You Calculate the Derivative of 5/(x^2/5) Using the Definition Alone?
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Where Can the Electric Field Between Two Unequal Charges Be Zero?
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What is the current if the battery is shorted momentarily?
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Incline Problem: Block Projected Up 35 Degrees, 8.2 ft/s
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Calculating Acceleration and Time for a Freight Train to Reach 83.4 km/hr
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Rotational Mechanics Lab: Creme vs. Broth
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Hey physics instant velocity ques
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Quadratic drag equation by partial fractions
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Help - (Ideal gas temp problem)
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Banked Curve with Friction Problem
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How Do I Solve These Tricky Integration Problems?
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Problem on electric field due to dipoles
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Check My Math Answers - Is It Right or Wrong?
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Are You Curious About How Graphite in a Pencil Leaves a Mark on Paper?
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How Do I Isolate the Friction Force in This Physics Equation?
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How can I solve these two physics problems involving work and springs?
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Switching Time Formula: Step-by-Step Guide for Changing a Formula [SOLVED]
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Discrete math problem college level question
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Solve Atwood's Machine w/Initial Velocity: Change Accel.?
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Studying for an Upcoming Special Relativity Exam
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Help with Forces: Calculate Horizontal Stopping Force
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What is the force constant of its rear suspension
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Calculating the Force on Electron Near a Long Straight Wire
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Derivative of Square Root: Simplifying and Common Mistakes Explained
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What is the tension in the cable problem.
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Mastering Limits: Solving Infinity and Radical Problems with Sin and Cos
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Solving Sound Reduction Index Problem: Air to Water
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Max Hill Steepness for Low-Powered Cars
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Proving the Existence of One Positive Integer m and n for x in Real Numbers
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In Preparation of 1st Physics Exam
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Calculating r(dot): Dynamics Time Derivative of Radius
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Solving a Puzzling Problem Involving Mass and Angle
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Velocity based frictional force equations
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Different techniques of integration
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Understanding the formula for a geometric series
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Solving the Problem: Calculating the Tension in a Sagging Wire
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Solar energy flux, Earth's population
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Calculating Force of Gravity in Circular Motion: Formula and Explanation
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Thin Lens Exp: Prove Linear Graph, Determine Slope and Intercept
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How Do You Calculate the X-Component of Electric Force from a Potential Graph?
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Help With Physics problems i'm having trouble
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