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.
Isothermal, isovolumetric, and isobaric processes in ideal gases
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Finding the contact force in a hinge?
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Finding the Minimum Distance Between Two Points Using Graphing Calculator
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Calculate Spring Force on Car Impact Speed
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Why cant charge move in an insulator?
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Cutting edge introductory info re: field emission microscopy and imaging methods
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Marble around the loop-the-loop
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Discover the Angle of Swing: Solving for the Motion of a Bullet and Block System
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What Is the Meteor's Altitude Due to Length Contraction?
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How Does the Velocity of Two Colliding Balls Change After Impact?
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Heat Engine Carnot Efficiency question
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Bohr model question - transition between first excited state and ground state
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Frequency of Black body radiation HELP
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Physics electrostatics question
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Why Does the Tube's Velocity Become Zero After Collisions?
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Projectile motion over angled edge
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Change in I.E. for a reversible process
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Uniformly Accelerated Motion: A Puzzling Problem?
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Why is a galvanometer with low sensitivity preferred for certain measurements?
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Deriving formula for Relativistic Kinetic Energy
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Translational Velocity Problem (Sphere)
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Thermal Physics: Dry Steam Heat 200g Water from 25°C to 95°C
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Calculating the Weight of Gold in a Crown: A Density Problem
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2D Collision : Glancing Collision
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Conservation of Momentum and Relative Velocity
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Solve 2D Momentum Problem: Car1 Velocity at Impact
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Ring of radius R and uniform charge
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Solve Perfect Gas Homework: A to B Volume Ratio
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Time taken to charge capacitor to 2/3 V in
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How I can find time by this formula S=ut+1/2at^2
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Get Physics Lab Help: Find Theoretical Distance X
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Electron in infinite well equation
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Change in GPE of the moon as the radius increases. Getting extreme answers
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What is the work done by rocket motors in deep space?
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Mass of an electron lab discussion?
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Help with electrostatics : Charging and reconnecting a capacitor .
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Using e = hc/λ to find wavelength of light emitted
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Buoyancy - Maximum mass a styrofoam sphere can hold in water.
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Conserved Energy in a moving frame of reference
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Heisenberg Uncertainty Principle - find minimum uncertainty in position
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Compton scattering problem - how much did wavelength change by?
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Determining the Radius of the Moon (Ratio and shadow measurements)
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Electric field by infinite line of charge
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Commutators for functions of operators (momentum/position)
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Electric Force, Equilibrium Config of Charges
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Uniform Circular Motion (free-body diagram)
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Number of collisions/sec for a gas atom
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Which General Physics Topics Are Considered Easier to Understand?
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Finding vector perpendicular to other vectors
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Pressure at the bottom of cylinder immersed in two liquids
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Displacement of an object in circular motion
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Solving SUVAT Questions: Find Time for a Ball's Descent
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Thermodynamics: Pouring Cream into Coffee
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Centripetal Force required to hold electron
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At What Distance Above the Ground Will the Mass First Come to Rest?
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Simple block kinematics problem
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Kinematics problem with constant acceleration
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Differentiate De Broglies Theorem
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SHM spring system, Tension direction confusion.
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Helium tank filling parts to a specific pressure?
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Why does a pendulum overshoot equilibrium
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Vector Perpendicular to Two Other Vectors
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The Doppler Shift Method for Calculating Recession Speed
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Finding the uncertainty of this problem
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Fundamental Particles - Meson Decay Question
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Biomechanics Quadratic Equation problem
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What is the Velocity of Ozone Formed from Inelastic Collisions?
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Calculating the Number of loops in the solenoid
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Calculating Minimum Speed at Top of Vertical Loop
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Kinematics of Rotational Motion (Gears)
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Quick question: Finding the wavelength?
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How Much Force Does a Man Feel in a Train-Truck Collision?
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Work done on a gas as volume decreases
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Physical Science Question on Electrical Power and Energy
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How Does Refraction Influence Measurement Accuracy in Ripple Tank Experiments?
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Confirm My Suspicions: Calculating Velocity on an Incline Plane
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Higher potential in electric field
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Problem already solved. concept help needed. Four Wires in a square.
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Kinematics of Rotational Motion Part II
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Mathematical model, work done on a gas
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Determine the percent efficiency
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Maximum height reached by a projectile
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Structural Support: How to Handle Heavy Loads
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Calculating Electrical Energy Input for 70% Efficient Lift Motor
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Really Hard(for me) head on collision question
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A problem with equivalent resistance
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OCR A-Level Physics: Qs on Waves, Fringes, Resonance & Energy
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Electricity - Resistance problem
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Finding Charge at a Specific Point Using Coulomb's Law
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Resolving Forces Homework: 4\frac{d^{2}x}{dt^2} + 12\frac{dx}{dt} + 9x = 0
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Motion of Charges in E and B Fields
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Electric Field Question Help (don't know how to get started)
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Need help on Thermodynamics problem: thermal expansion to be more specific
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Two balls of different mass elastically collide
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Velocity problems regarding vectors
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How is 100 W produced over 24 hours in Edexcel Unit 4 Specimen Paper?
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Super basic problem, not sure if I'm doing it right or not
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Finding an unknown applied force with friction, Fnet and more.
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Changes of state , latent heat and heat transfers
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A couple of problems for you, help please (About mechanical energy)
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