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 Does Water Pressure and Flow Rate Affect Rotational Sprinkler Dynamics?
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Changing angle to seek a moving target position
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Can Interference Patterns be Observed with Sound Waves?
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Question about how resistance works
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A few simple work/energy questions~
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How High Does the Ball Rise in a Rotating Bowl?
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Speed of a transverse wave along a wire?
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Simple Harmonic Motion Question
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2 Dielectrics in a Parallel Plate Capacitor
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Calculating Spring Displacement with Added Mass in Simple Harmonic Motion
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Finding Rotational Inertia with Thin Rod: Explanation and Example
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How Does the Central Maximum Shift When a Laser Beam's Angle Changes?
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What Can We Learn About Wave Speed from a Vertical Standing Wave?
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An electron traveling at a speed of
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Help understanding circular motion
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Why is it Easier to do Sit-Ups with Hands on Stomach?
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Capacitor Physics: Calculating Potential at Point P with Charged Cylinders
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Understanding Static Electricity and Charge Interactions
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How Do You Calculate Total Acceleration of a Particle on a Circular Path?
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Finding Vf when you dont have distance and only height without numerical value
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Can Complex Equations Be Solved Using Software?
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What Velocity Must the Bullet Have to Swing a Block to 40 Degrees?
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Fluid Dynamics - Multiple Pipe System Need
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Calculate Final Temp of Water After Ice Melts: Help Requested
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Masses hanging from ceilings by strings
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Determine the tension in the pendulum string
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Can a 60W 120V Appliance Surpass the Max Household Current and Blow a Fuse?
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Clarification of the normal force
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Are astronauts weightless in orbit?
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Multiple loop circuit with grounded point
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Need to find the EPE, electric field and the work of the charges
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Non linear motion ( Physics olympiads question )
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What is the voltage of the car in Ohm's Law Application Problem 1?
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What Are the Correct Launch Parameters for a Hollywood Daredevil's Canyon Jump?
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How to Calculate a Skier's Speed at the Bottom of a Slope?
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Understanding the Impact of Reduced Air Resistance on Object Acceleration
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Finding Friction Force in a Flexible Hinge with Mass
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Buckingham PI Theorem proof - Dimensional Analysis
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3 unknown forces acting on a beam
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Binding energy vs Kinetic energy
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Calculating Changing Velocity of a Rocket on Excel
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Calculate Pressure of Interstellar Hydrogen Gas at 3K
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The effect of mass on roller coaster cars
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How Does a Tin Can Phone Transmit Sound?
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What is Thermal Motion and Why is it Important in Understanding Atoms?
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Displacement of airplanes in opposite directions.
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Solving an Integration Error with Acceleration Data
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Swimming across a river question
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Total heat capacity of an monatomic gas?
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Entropy chance with a carnot cycle?
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Exam question: conservation law
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Electric dipole in an electric field
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Will the book and the note separate? Why or why not?
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What Is the Formula That Links Sound Wave Power and Frequency?
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Calculating Energy Release from Nuclear Fission
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A small postage stamp is placed in front of a concave mirror
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Space Time Interval: Solving Distance & C-Value
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Time it takes for the wheel to stop?
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How does relativity affect simultaneity in a frame of reference?
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Calculating a Square Root Without Calculator
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Calculating time period in vertical circular motion
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Angular velcoity of point masses
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Component vectors positive or negative and angles positive or negative
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Work to rotate a dipole in an electric field
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Intensity of Light- What factors contribute?
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Mag force between two wires with opposite charges
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How to calculate fuel to accelerate a vehicle
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What is the wave speed and string velocity for y(x,t) = 3e^-(2x-4t)^2?
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How Do You Calculate EMF in a Circuit with a Resistor?
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Proving equations for a plane stress condition
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Angular acceleration of a discus
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Why Does Water Refract Light and Improve Visibility?
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Does Throwing Rocks from a Boat Affect Water Level?
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What is the final temperature of the water when ice is added to it?
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Understanding Magnetic Flux and Eddy Currents in Electromagnetic Induction
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Angle of Incline Calculation with Coefficient of Friction
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Where Is the Point of Zero Net Gravitational Force Between Earth and the Moon
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Easy-ish Conservation of Energy question
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System of Masses and Pulley, Problem
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HELP Specific Homework Problem, Particles and Waves
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What horizontal force is required to accelerate the block
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Equilibrium of a Spring: Force or Mass?
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Solve Physics Duck Problem: Find Min V0 & Angle for Bullet Targeting Duck
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Time taken to travel x meters with constant acceleration
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Solving the Mystery of the Flying Fly: How Many Trips?
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Electric potential and charge on capacitors-
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Understanding Standing Waves for SAT II Physics
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Solving a 2.2kg Block Incline Problem
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How Do You Determine Quantum Numbers from Hydrogen Atom Wavelengths?
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How can we determine the rotational axis for a torques-related problem?
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What is the Doppler Effect and When Does it Occur?
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Slowing a 10kg Mass in Free Fall: How to Apply Upward Force
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How Does Friction Affect the Stopping Time of a Rotating Grindstone?
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Weight on an Elastic thread question.
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Electric Field of ping pong ball of mass
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Chlorophyll and the Photoelectric Effect
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Loss in gravitational energy during condensation of star
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Calculating Q (first moment of inertia) above and below the neutral axis
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Free fall problem involving two objects
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Electrostatics (Distance of closest approach)
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