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 Long Does It Take for Ice to Double Its Thickness in Sub-Zero Temperatures?
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Is the Water Pressure Inside a Cup Equal to 14.7 psi Due to Atmospheric Force?
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Solving Bug Sliding In Bowl: Friction & Potential Energy
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Why Is the Experimental R_eq Value Higher Than Theoretical?
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How Is the Potential Calculated at the Center of a Charged Copper Sphere?
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Calculating Potential Difference in a Parallel-Plate Capacitor
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Can a Plastic Drinking Glass Handle Over 9000 V as a Capacitor Dielectric?
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Which way is the current flowing?
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How Is Charge Determined from Electric Potential and Distance?
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Horizontal Circular Motion FBD Diagram Help
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Heat pumps and coeffiecent of performance
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Max Steepness Calculation for City Road Design: Physics Problem Solution
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Capacitance and Electrical Energy, Weird Question
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Cricket ball / projectile question
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Classical radius of an electron and its implications prob.
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Webpage title: Calculating Wave Speed on a Coil Spring
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How Do You Calculate the Angle of the Net Magnetic Force in a Complex Field?
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What is the maximum speed the car can have to avoid hitting the barrier?
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Elevator Problem: 10700 Joules Lifts 3900N by 9 Ropes
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Work to move Electron & Nuetron
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Print ViewCalculating Flux for Hemispheres of Different Radii
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Significant figures when taking measurements.
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What is the effect of motion on the gravitational field of a massive object?
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Acceleration due to air resistance?
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What is the Resistance of Resistor X?
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Understanding Circuits: Calculating Velocity at 25.5 km/h
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Internal Forces and Acceleration: How Can We Stay with a Moving Block?
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Electric Fields at Points A, B, C, and D: How Do They Compare?
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Max # of 90W 120V Light Bulbs on 20A 120V Circuit
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Weight in Orbit? 0N on Spring Balance at 2.8M Triton Ht
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Determine the tension in each section of rope
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General Gravitational Potential Energy (Help)
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Are the Resistors in a Parallel Circuit and is 3.50 A the Total Current?
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Electrical Potential Homework: 3 Charges, 2 uC Each, 0.400m Sides
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Mass Ratio Q: Solving for Final Speed of 8km/s
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Bernoulii's Principle and Equation of Continuity help
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Calculating Voltage of Cloud After Lightning Bolt Transfer
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Average velocity with respect to distance
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Gravity's affect on the rebounce height of a tennis ball
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Why dont birds get electocuted when they are on power lines?
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Assuming acceleration is constant
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Simple Initial Velocity Problem
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How 2 find distance from non uniform velocity time graph where can't use triangle?
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Ratio of Tensions between A, B & C
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Solving Physics Homework: A Frustrating Struggle
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What is the force exerted by the rope?
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Please Plese Help Me -physics Problem -
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Solve for the Velocity and Direction of Mass 2m After Collision | Physics Help
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How Long Does It Take to Move a 0.1kg Object with a Tiny Force?
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How to Determine Charge and Excess Electrons in Millikan's Oil Drop Experiment?
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What is the Terminal Voltage and Current for Various Batteries in a Circuit?
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How much does the spring compress when an elevator cable breaks?
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Difference between volts and voltage and what signs to use?
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Velocity and acceleration from a position equation
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Solving Fluid Questions: 2 Spheres & U-Tube | 65 Characters
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Relative Motion (Swimmer Crossing River Question)
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Does Flowing Water Trap and Release Air?
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Electric Field at Point 1 cm Left of Middle Charge (-3.5 µC Force)
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Problem: Plastic Covering One Slit in Double Slit Experiment
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How can we accurately calculate work using changing acceleration?
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Factors Affecting Galvanic Cell Voltage
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Rock hanging from ceiling swinging uniform circular motion
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How Does Bragg's Law Determine the Angle of Gamma-Ray Deflection?
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Current Electricity: Help understanding concept of potential energy
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Why Do Styrofoam Pieces Dance and Stick on a Charged Plastic Surface?
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Angular Velocity and static friction
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What Time Does a Projectile Make a 30° Angle with the Horizontal?
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Circular motion of a car and tires
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Resonant frequency calculation for lengths of thick wall steel pipe
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Moving oneself when in freefall?
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Torque/Static Equilibrium Problems
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Is the polarizer angle behavior in polarizing beam splitters as expected?
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How Does Capacitance Affect Current in an AC Circuit?
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How Fast Can You Raise a Bucket with 104 W Power?
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What was the cat's speed when it slid off the table?
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How Do You Solve for Inductance and Resistance in an RLC Circuit?
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AN implementation of gauss's law
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Solve for r in Circular Motion Problem - Urgent Help Needed
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A little assistance with Friction mu k
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How Do You Calculate Force and Acceleration in Physics Problems?
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Capacitors in Series and finding voltage
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Opposite Charged Plates with Sphere
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Double Checking a Bicycle Downhill Homework Problem
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Find Inner Resistance of Power Source: 5 Trials
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Electronics - Designing a ciruit
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Solve AS Level Statics- Mechanics Questions
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Isn't the normal acceleration always towards the center?
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Acceleration assumed in the wrong direction again
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Parts for Project: Finding What You Need for Success
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Solve Elevator Problem: Work & Power Required
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Rutherford Scattering and relativistic effects
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Uncovering the Shortest Wavelength of Be3+ Lines
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Solve the Daring 510-N Swimmer's Minimum Speed Physics Problem"
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Solving differential equation x'' = ax
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Solve f=ma Problem: Find Acceleration, Forces on Blocks
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What Is the Minimum Photon Energy Needed to Produce a Proton-Antiproton Pair?
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Electron in an electirc field.
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AS Phyics Coursework-Sensor Project
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Solve Rod Slider Energy Problem: Find Velocities of Collar B
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What are the equations and solutions for the De Broglie Wavelength Problem?
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