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.
Imagine that a bullet is shot vertically into the air with an initial
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Calorimetry: mix of ice, water vapor inside a copper container
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Speed of conical pendulum at angle alpha to horizontal
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Relativistic kinematics: when will a photon and spaceship meet?
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Current in secondary of transformer
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Find Time for Mass on Elastic Rope: Solve Physics Problem
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Temperature profile around heat source
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Concentration of paint in each bowl after certain time
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How Do Ladders Interact in a Frictionless Environment?
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How Do You Find the Object Position for an Upright Image in a Concave Mirror?
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How to calculate the horizontal distance traveled by a bouncing ball?
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How Is the Diameter of an Iron Atom Calculated?
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Damped harmonic motion with one end without weight free
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What is the tension in a rotating chain attached to a wooden disc?
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Change in temperature after an inelastic collision
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Block sliding down an inclined plane
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How Does the Period of Oscillation Change When a Block Detaches from the Wall?
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Why NaCl does not conduct electricity in solid state?
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Electrostatic force in a medium of non uniform permittivity
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Motion of a Charged Particle - Jumbled Notes, Unsure of Possibility
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How to apply Coulomb's law for a system with a dielectric slab?
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Resultant force on the piston at the end of stroke
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Calculating Work and Energy in a Box on a Floor: A Quick Problem
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Velocity: Solving Questions on Distance, Time & Speed
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Acceleration differences between an Alpha Particle and an Electron.
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Condition of simple harmonic motion
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Can someone balance these weights?
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3 point electrical charge problem
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Spring Constant - Bungee Jumping
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Calculate CO concentration at high altitude
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Solving Net-Force Question: 20 kg Crate, F = 200 N
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Why Does an Object at a Lens's Focal Point Create an Image at the Same Location?
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How can we create standing waves on a string with only one fixed end?
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Finding Phase Shift in RLC Circuits
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Maximizing KE in flywheel energy storage system (KERPS)
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Understanding the Physics of Deep Well Pumping
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Thermal Conductivity and latent heat
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Solving for Unstretched Length in Jump Problem: ##l_0 = 97.5m##
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Lennard-Jones-Potential: Equation of motion
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What is the peak velocity of the shot putter's weighted ball?
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Webassign Find Strength of Magnetic Field using Java App
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Solving 0.02 kg Ice and 0.10 kg Water at 0°C to Melted State
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An Atwoods Machine hanging from the ceiling
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Calculating work done on a gas- Adiabatic process PV diagram.
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Two Pulley Problem: Solve & Find Correct Answer
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Troubleshooting Textbook Answers: Identifying Accuracy and Sanity Check"
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How to Solve a Space Truss Statics Problem with Ball and Socket Supports?
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Find Frequency to Minimize Impedance of RLC Circuit
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Blocks and pulley with mass - rotational dynamics
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[Highschool Physics] Kirchoff's Rules
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What is the peak current for this circuit?
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Find the Angle between Due East and the System after the Collision
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Waves, Bungee Jumping, Linear Density Definition
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Charged Particle Moving in a Magnetic Field
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Monkey in an Elevator: Calculating Tension & Acceleration
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Another centripetal force problem
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Solving for Distance and Time Using Newton's Equations of Motion
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How fast does light travel from sun to Saturn equation
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Changing the mass of a simple harmonic oscillator
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Calculating Induced EMF in a Solenoid Inductor
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Are the Current Directions and Poles Correct in These Electrical Diagrams?
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Compton scattering theory question
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Sound energy passing through a hole
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Total distance traveled with calculus
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Calculating speed, when given total time it took, and the radius
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Question about power and output power.
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Time it takes to transmit signal to satellite (modern physics)
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Show that simple harmonic motion occurs
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Is the Phase Constant in SHM Conceptually Significant?
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Determining the Direction of Current Flow in Parallel Wires
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Steel ball bearing in a magnetic field
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Matching a graph to an experiment
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A question on Dimensional analysis
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What is the net electric field at point P in this physics problem?
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Cylinder attached to a block on an inclined plane, rotational dynamics
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Displacement and Velocity Question
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Quinn and Ittner's (1963) superconductivity experiment
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Estimating the Size of Sgr A*'s Emitting Region
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How can the wavelength of blue light be 750nm?
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In Cube of resistances how to calculate current in one edge?
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Does a ball always bounce the same fraction of the previous height?
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Effects of New Solid Sphere on Water Level
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How Well Do You Understand Atwood Machine Pulleys?
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Lab- Calculate Relative Uncertainty, How many sig figs?
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How Do You Calculate Angular Acceleration from Revolutions?
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Rearranging numbers changes answers?
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Simple rotational period problem
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Calculate Mass of Proton | 65 Characters
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Hard Mathematics-Physics Exercise
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What is the optimal speed for a tumble dryer to gently tumble clothes?
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Branching ratio of particle question
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Can a change in units cancel out G/4π2 in Kepler's third law?
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Force on winch to lift trailer ramp
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Where does electric field go to zero?
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Forces and acceleration on frictionless table?
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Electric Field with three negative point charges in a line
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How to Calculate Wave Velocity in a Tuned Violin String
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Gauss's Law: Cond. versus Non-cond. Sheets: Conflicting Results
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Applying 2nd Kirchhoff's Law in Electrical Circuits - Homework Practice
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Classical mechanics - small movements around equilibrium
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