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.
What is the solution for particle motion between two masses?
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Bar magnet and a current carrying wire
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Direction of induced current in the loop
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Magnetic field due to a solenoid
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2 weights on strings, 1 attached to pulley, the other end anchored
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Effect of zero gravity on spinal compression
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What is the thickness of the wall of a hollow iron sphere submerged in water?
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What does self induction per unit length signify?
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Describing the translation and rotation of a square frame
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Find Value of tan φ of Reaction Force | Isaac Physics
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An object of some mass, m, is accelerated upwards....
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Magnet moved in a circular coil
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EMF induced in a coil encircling an ideal solenoid
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Solve Archimedes Problem: Find Crown's Density
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Finding Equilibrium in Electric Fields of Two Charges
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Finding the Length and Velocity of a Spring in Circular Motion
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Finding the Magnitude of 3 Forces on a Square
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Calculating Charge Of Electron (Millikan Oil Drop Experiment
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Change in temperature when a gas is in a moving container
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To reduce cost and weight, power transmission lines are made
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Wattage an of engine sufficient to move a car
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Confusion about the Lorentz force
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Help replicating Eratosthenes' experiment
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Calculating the mass of an object
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Forces on abseiling (rappelling) rock climber: find vertical reaction force
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What Is the Average Minimum Score Needed to Pass a Job Exam?
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Calculation of the weight of an insect floating by surface tension
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Relativistic Distance/Time Problem
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Elastic collision problem (μk) is the target variable
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Simple Question about the direction of magnetic induction
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Projectile Motion on the Moon: Finding the Optimal Launch Angle Using Equations
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Potential due to a charged plate using the dipole approximation
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Feynman Exercises 19-1: Metal rod framework being pulled in while spinning
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Find the magnetic field at the center
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Determining the time interval in a radiation counting problem
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Lambda decay, momentum of the pion and proton
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Find the magnetic field at a point
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Electric Potential of a Sphere at Different Locations
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Length Contraction/Relativistic mass question
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The case that has the highest torque on the loop
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How Do You Calculate the Capacitance of a Sphere Using Only Charge or Potential?
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Particle decay, Lorentz transformations with angles
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Without integrating, show two metal spheres collide in <425s
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Falling Ruler Problem | Solution from Video at 8:03 | Help Available
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How to find the final angular velocity
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Non-ideal voltmeters and ammeters
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Electrical Component with the Letter M?
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Charge on the capacitor after changing the switch position
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Thermodynamic Entropy Change Upon Partition Removal
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How to calculate the Work (Joules) of lifting a book
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Resonance box with tuning fork, standing wave
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Momentum dealing with decay, special relativity
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Solving a circuit using both the mesh and node analysis
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Find the launch speed of a ball in a spring mechanism
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Solve Tension in Rope: 110 Kg Anvil & 9.81m/s^2 Force
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Length a Block on Pulley Moves - (Basic Energy Question)
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How does the incline of the rod depend on mass and force F?
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Temperature as a function of time in black body radiation
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Where Does the Energy Go in an Ideal Capacitor Circuit?
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Calculating Initial Height of a Falling Safe on a Spring
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Resultant force from water on dam
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How to calculate the average velocity?
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Young's double slit experiment green laser
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Piece of iron put into container with ice
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Calculating Potential Difference in a Parallel Plate Apparatus
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Free particle: expectation of x for all time with Ehrensfest
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How Does Plane Polarized Light Oscillate Relative to Energy Transfer Direction?
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Bizarre Atmospheric Physics Problem
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Solution to the Two-Body Problem: Cross-Product and Dot-Product Integration
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How does halving the time affect the distance traveled by a falling object?
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Change in Capacitor for largest possible Current
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Problem in electrostatics: E-field near 2 point charges
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Find the scalar value and direction of the electric field
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Electric Force on a Charge in a Solenoid
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Special Relativity Exercise (A.P. French)
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Hydrostatics: Immersing a metal cube in water......
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What is the Resistance of the Patient in a Defibrillation Shock?
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How Much Charge Does a Defibrillator Capacitor Store After 1.10 Seconds?
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How Does Charge Distribute Between Two Concentric Shells Connected by a Wire?
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Force between the plates of a charged capacitor
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Analysing a double capacitor circuit with no battery
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Engine sizing (torque/power) question
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Finding the change in mass of a charged body if it loses 1 C
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Probability distribution momentum for particle
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Trajectory of a proton as it moves between the plates
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Work done per unit charge by electric field on charge
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Excess pressure inside a soap bubble
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Need help finding current on RC circuit
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Newton's laws of motion: A gun firing bullets....
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How does ball A come to rest and Ball B remain stationary?
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What is the electric charge on the charged polystyrene ball?
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Two elastic ropes, Acceleration and Height Problem
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Kinetic energy of a bouncing ball
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What is the internal radius of the optical fibre
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Particle acceleration/displacement question
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Conducting rod creates a complete circuit
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Find mass of a rope pulled by a force
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Effects of changing the angle on an inclined plane
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What is the power of the lens in diopters?
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Estimating the Probability of Nuclear Power Plant Damage from Rare Tsunamis
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