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.
Master Physics Formulas with Formula Mania: Tips for First-Year Students!
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Ferry Velocity and Passenger Motion: Solving for Direction and Magnitude
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Calculate the magnitude of the tension force in the rope
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Finding the Angle of Release for a Pellet on Top of a Cylinder
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What is the equivalent resistance when diagonal resistors are present?
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Find the vertical component and friction
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Calculating Minimum Speed for a Bicycle Jump Across a Creek
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Kinetic Energy and Work and Power
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Troubleshooting Hook's Law for Balloon Placement in a Stretched Hose
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High Voltage line with a resistance problem
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What is the magnetic field produced 2.0 m from a stream of 10 E9 protons/second?
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Acceleration, speed, distance problem
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How Do You Calculate Time and Speed in These Physics Problems?
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Question about momentum and collision
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Learn How to Evaluate Triple Integrals: Volume vs Surface Integral Method
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How Do Oceans Function as Buffers?
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How Do You Apply the kT>>hw Approximation in Van der Waals Interactions?
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Proving Transitivity of Sets with No Foundation
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Forces, Torques, and Acceleration
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My Physics Teacher didn't tell me how to do this
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UBC Physics Olympics: The Descrambler Event
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Discover the Power: Total Charge and Max Current of a 250AH Car Battery
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Calculating the Threshold Mass for Static Friction in a String System
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Circuit with a capacitor problem
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Solving for Coefficient of Friction: Equation Help
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Solve Magnetism Problems: Probs 1, 4, 8 & 10
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Solving Kinetic Friction: Min Force Needed to Prevent Sliding
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Implicit Differentiation Problem (stuck at a point)
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How to Calculate Electric Force Without Charge Coordinates | UTexas HW Help
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Can I Calculate the Momentum of Two Colliding Cars?
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Pounds to Kilograms: Examining Mass, Force, Newton, Slug & Gravity
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Fundamental Wavelength of Vibration of Steel Wire 1m Apart
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How Does Changing a Gaussian Surface's Shape Affect Net Flux?
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Stuck on surface change density problem.
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Football Punter's Force: 0.55kg at 8m/s in .25s
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Possible arrangements for a deck of 52 playing cards?
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Initial Speed of Bullet: 5.5kg & 22.6g Collision
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What is the speed of the box at the lower level
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Determine the point at which the electric field is zero
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Momentum Q: What Happens When an Object Stops?
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Calculus Problem (involving tangent line)
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Is the Force Acting on this Rocket Balanced or Unbalanced?
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Solving Newtonian Mechanics: Find Expression for Speed v(t)
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Very simple but I don't understand how
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Solving Circuits with the Nodal Method: Finding Va
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Finding a parametric equation for y = f(x)
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Struggling with Physics Problems? Get Expert Help Now!
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What are possible subtopics for a physics extended essay on firearms?
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Looking for d=rt or something else?
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How to find capacitance in a circuit with a resistor and a charging capacitor?
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Work, Stairstep Ball | P.E. Calculation
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Homework help- centripetal force
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What is the Net Force on a Rock Thrown Vertically Into the Air?
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Why Does a Skydiver's Acceleration Differ from Calculations?
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How Does Temperature and Applied Force Affect Stress in Different Materials?
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M1 Mechanics Help: Solve "P" Hitting Floor After String Breaks
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Calculating the Distance a Box Moves on a Moving Belt Without Slipping
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Tension of Ropes Supporting a 50kg Box
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Solving Heat & Temperature Problems: Q&A
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Impulse of bungee jumper slowing down
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Solve X Equation for Sum of Forces in X/Y Direction
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Calculating Electric Field of a Solid Sphere with Uniform Charge Density
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Prove to my teacher that i know how to use physics forums
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Calc Question: Find Side Length of Cut Squares for 1575 cm^3 Box
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Direct Current Circuits and Kirchoff's rules
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How Do Tangent Lines Relate to Calculus Problems?
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How Do You Calculate Acceleration and Forces in a Frictionless System?
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Can Capacitors Be Combined to Fix a Stereo Amplifier's Power Supply?
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Calc Change in Internal Energy of Boiled Water
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Why must equipotential surfaces be perpendicular to electric field lines?
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How Is Acceleration Calculated with Force and Friction Involved?
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Integrate 1/(x^1/3 + x^1/4): Can Anyone Help?
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What Intensity Is Needed for a 194 dB Sound Level?
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Basic Homework Help: Solving Problems with Compressed Air and Diffusion
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Car Launching Project: Ideas for 2kg Weight & No Motors
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Basic question regarding triple point of water and physical properties of water
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Reverification of an answer Doc Al
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How much has the cable stretched?
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Batteries and Charging Capacity
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Solve Lorentz Eq for Charged Particle Motion in EM Field
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Stone is dropped from the top of a cliff
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Coupled Forced Oscillators- Small Question-
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Solving for \alpha^4 + \beta^4 & Finding Area of Rectangle
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Which Direction Will the Cup Slide on a Dashboard During a Turn?
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How Do You Solve Collision Equations for Final Velocities?
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Calculate for each field the work done in moving a particle
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Which Method Best Solves for Final Velocity of Object B After Collision?
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Calculating Volume and Mass of Iron Block Using Equal-Arm Balance | Scales
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Archimedes principle and wooden block
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Find the angle that the total acceleration of the car makes
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Clausius-Clapeyron Equation, and Cubic Unit Cells
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Calculating Centripetal Acceleration & Tension in Circular Motion
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Proof of Triangle KLM: PL=PK=PM & LKM = 90°
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Making Telescopes: Simple Resources for Beginners
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Solve Wood Block Collision: 5.5g Bullet, 22.6g Wood, 1.5m Post
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Grade 12 HWK Help: Acceleration of Car A
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Calculating Efficiency of a Heat Engine: Converting Celsius to Kelvin
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What is the temperature change of blood?
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Solve a Physics Homework Question: Movement of Mass M
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Calculating Tension in a Stretched Rope: A Harmonic Wave Example
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