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.
State whether the distance x for the block would be greater/less/same
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Rotational inertia of square about axis perpendicular to its plane
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How to Correctly Solve for the Minimum Distance Between Two Electrons?
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Solving Free-Body Diagrams for Moving Nuts on Rods: Tips and Techniques
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Finding the launch angle for a projectile if the range is 3x the max height of the trajectory
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Solving for x in 0 = -1/8 + 3/8 x / (10^2 +x^2)^0.5
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Finding Charge Density on the Surface of a Slab
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Electric field of a cylinder given the electric field of a ring
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Points of inflection on acceleration graph
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Describing path of the object in an xy plane
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Are lost volts the difference between EMF and terminal potential difference?
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Question about two elastic collision formulas
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Question about the solution to this elastic collision
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Why does a wrist have 3 degrees of freedom?
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A complicated problem of motion on rough surfaces
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Find velocity-time equation from velocity-position equation
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Circular motion in planets and satellites
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Solving $\vec F = m\vec a$: How is $\vec F = -mkv$ Possible?
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Magnitude of the Line Charge Density of a Power Line
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Solving a Puzzling Physics Problem: ##15 \pm 3\sqrt{15}##
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Tension in a spring that's bent into a semicircle
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Two carts are forced apart by a compressed spring
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Can you please explain Bernoulli's equation?
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Solving for r: 3.24 Meters Too Far?
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How does tire pressure affect distance traveled by a bicycle coasting to a stop?
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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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