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 is Wave Intensity Affected by Half Amplitude and Double Frequency?
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Momentum in a perfectly inelastic collision
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Find the total time taken and acceleration in the given problem-Kinematics
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Determining Current Direction in a Charging RC Circuit
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How to Solve IGCSE Lens q with Unspecified Distance
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Finding the potential difference in a circuit
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Find the magnitude of the momentum change of the ball?
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Showing that this equation is a solution to the linear wave equation
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Balance of forces for two charged spheres hanging from the ceiling
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Struggling With Part C of Electric Field Calculation
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Ranking charge stored on three capacitors by a battery
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Finding charge on a capacitor given potential difference across two points
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Finding possible combinations of capacitors given circuit capacitance
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Discontinuity in an Electric line of force
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Charge upon a parallel plate capacitor
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Force between the plates of a capacitor with dielectric slab inserted
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Capacitance of a parallel plate capacitor with a metal plate kept inside
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Find momentum transfer and force on the head with and without a helmet
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Percentage change in the density of a gas
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Incompatibility between ideal gas equations of state
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Centrifugal and inertial force in centrifuge
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Graph for sinusoidal wave travelling to the left
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Solving the Mystery of a Floating Bottle: Density & Volume
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Find the final velocity of the bobsled after the last bobsledder jumps in
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Rigid Body Problem Involving a Tilted Rotating Disc
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Why is electric field at the center of a charged disk not zero?
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Why is φ Assumed to Be 90 in the Undamped Forced Oscillator Solution?
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Exploring the Relationship between Buoyancy Force and Gravitational Force
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Differentiating the equation for the mechanical energy of a spring
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Puck collision with rod using angular momentum conservation
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Driving force from buzzer for jacket of length L
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Electric force on the charge kept at the centre of a metallic shell
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Placing rock under ladder to stop it from slipping
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Motional EMF in the presence of a time-varying magnetic field
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A book rests at an angle against one side of a bookshelf...
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Would a marble need the same speed as a car at the bottom of a vertical loop?
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How to Solve a 100m Dash Kinematics Problem with Unknown Acceleration?
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Solving an Air Pressure Question: Who Is Right?
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Electric field at a point close to the centre of a conducting plate
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Calculating Electric Potential for a Non-Negligible Thickness Toroid
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Pressure in a gas container measured with a barometer and a U pipe
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AP French Relativity chapter 3 problem
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Solving for Tension in Net Force Equation: Need Help!
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Calculating Net Force of 3 Blocks in an Elevator
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Plate sliding on ice with friction (Physics competition question)
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Why Water Won't Flow From Faucet with 2000 Pa Pressure?
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Where Did I Go Wrong? Solving for Angular Momentum in Air Table Puck Collision
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What does atmospheric pressure have to do with the gauge pressure?
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How to Determine Elevator Height at Time T1?
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Relativistic momentum in terms of another relativisic momentum
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Triple Integral w/ Respect to x & y Help
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Solving a Motion Problem with Work-Energy Theorem
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MIT OCW, 8.02, Electromagnetism: Charged Cylindrical Shell
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How does soap water membrane thickness affect surface tension?
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Induced polarization for collision between conducting spheres
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Flux from magnet (Why is the Flux not zero through the loop?)
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A or B? Increase in Velocity Backwards & Acceleration Forward
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Acceleration of Uranium 238 ion through a potential difference
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Why does this not work? Projectile Motion problem for Dynamics Class
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Why is the Length Element in Ampere's Law Perpendicular to the Current?
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Electrostatic equilibrium problem
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Derivation for capacitance of cylindrical capacitor
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Is there an alternate symbol for mu for x 10^-6 ?
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Temperature & Gas: Correct or Incorrect?
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Why is temperature constant after gas has expanded?
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Finding ##v## for four particles after being released from square
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Finding the final speed of a space probe using work and kinetic energy
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Is the Theory of Conservation of Information Faulty?
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Torque calculation for a compound pendulum
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Net work and kinetic energy (pushing a wagon to accelerate it)
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Finding an Equation for Measuring Reactive Force at the Gastrocnemius
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Discovering Vector Direction in Conservation of Energy Problems
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Calculating Linear Charge Density of a Cylinder
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Finding a Parametric Solution for Particle Trajectory in Magnetic Field
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Which statement is true? (Velocity and Acceleration of a Tennis Ball)
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Discontinuous voltage graph for bullet going through metal coils
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Solving a Problem with an Easier Way: Moving the Origin
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B-field for a half-infinitely long wire
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Fluid Forces in a Manometer: Understanding Pressure and Kinetic Energy
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Solving a V-vs-s Problem: John's Quandry
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Max speed of proton in cyclotron
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Finding velocity for projectile given distances and launch angle
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Graphing electric potential for two positive charges
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Fictitious forces on a rigid body
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Which system to apply conservation of momentum to?
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How do I find way of comparing the density of the Earth and the Moon?
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Solving for Simple Harmonic Motion: A Picture Problem
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Electrostatics homework problem help
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Integrating electric field of rod
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I cannot work out constants a and b --
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Is the Instantaneous Circle Proven When Centripetal Force is Removed?
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How do I accurately calculate work done against friction?
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Average force when a bouncy ball collides with surface
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How does relativity affect the detection of atmospheric muons?
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How Do You Determine Equivalent Capacitance in Complex Circuits?
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Standing wave, phase and antiphase
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Difference in Wave Phase Question
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Volume-pressure equation for an expanding ideal gas
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Understanding Velocity Addition Laws for People on Train & Ground
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Investigating Unexpected Results in Elementary Experiment
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