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 do I calculate the equivalent inductance in a circuit with diagonal wiring?
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Thermodynamic properties - Isochronic process - First law
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Forced Vibations Homework: Understand Driver & Oscillator Phases
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Collision Investigation Problem (2-D Linear Momentum, etc.)
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What is the radius of the orbit of an electron
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Does the bullet reach its target?
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Heat & Friction: How to Tell When Temperature Changes
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Projectile Motion in an Electric field
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Conservation of momentum (relative speed)
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Can't figure out solution -- Space probe with engine thrust vectors
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Angle of electric field line heading to infinity
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Velocity of a muon if observed travel distance is 800 m?
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How Do You Prove the Law of Conservation of Momentum in Collisions?
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What is the single displacement needed for an expert golfer to make the hole?
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Acceleration When an Object is Slowing
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Physics Centripetal Force problem?
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How Can Wind Tunnel Data Collection Enhance Your A2 Physics Coursework?
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How Does the Energy-Momentum Relation Visualize for a Propagating Wave Function?
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Calculating Volume Using Buoyancy: A Homework Help Guide
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Work that must be done to charge a spherical shell
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Potential Energy function for this system
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Conservation of momentum in an *open* system
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Conservation of energy interpretation of percentage conserved
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Finding expectation values for given operators
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Kirchoff's Loop Rule Involving 2 Resistors and a Capacitor
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What is the maximum distance for a receiver to pick up a 12.5-MHz signal?
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Calculating Angle Between Ecliptic and Horizon for Observer at 18 Degrees North
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What is the electric field on a thin nonconducting shell
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Thermodynamics problem involving piston and spring
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How to Find Force of Friction and Acceleration?
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How to derive formula for nucleus decay using this equation?
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Calculate terminal velocity when given cross sectional area
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The Electric Potential Equation
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Ball in accelerating tank with fluid
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When will the two trains collide?
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Archived Partial Derivatives and Constant Variables in Thermodynamics
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Is d(v2) the Best Form for Finding the Derivative for Energy?
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Capacitance in a Complicated Mixed Circuit
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Determining resistance for unknown circuit
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What is the total mass of an O atom?
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Archived Quantum Mechanics Question - Work function and h
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Help understanding why v is negative but moving positively
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Problem: using thermal expansion to calculate sea level rise
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Calculating Capacitance in a Mixed Circuit?
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What is the wavelength of an electron of 5eV energy?
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Descend Speed After Dropping Glasses: 9.8 m/s
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Change in density due to thermal expansion
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Stuck in wave interference question
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What is the magnitude of the net charge enclosed by surface?
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Quick Relative Velocity question
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What Force Does Air Exert on a Parachutist?
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Compute work in Carnot Refrigerator
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Electric charge is distributed inside a nonconducting sphere
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I don't understand why velocity is positive here?
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Finding number of rotations till arm breaks (circular motion)
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Solve 2D Elastic Collision Homework Statement
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Minimum Period of Oscillation Disk
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Potential barrier, reflection coefficient
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Gauss' Law - find magnitude of the electric field
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Finding velocity, time, and distance
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This formula is applicable for a point charge distribution.
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Amplitude at the point of interference
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Solving Aperture Question Homework: Diameter of Pupil
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Wave speed on a string of non-uniform linear mass density
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Archived Solve Reflection Problem: Convex & Plane Mirrors 28cm Apart
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Projectiles in space: Calculating initial velocity
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Collision of Objects Dropped from Different Heights with Spring Compression
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Deriving the Wave Equation from Laplacian and Partial Derivatives
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Solving Cart Force Question: Magnitude & Direction
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Equivalent Capacitance and Voltage Across
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Finding Average Values in a Waveform: Understanding the Concept and Calculation
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Find the moment of inertia of this disk
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Thermodynamics pure substances problem
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What is the speed of sound and time period of oscillating particles?
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Why Doesn't Superposition Apply to Gauss's Law for Parallel Plates?
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Power Output of Radiation from a Solenoid with Linearly Decreasing Current
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Archived Finding the electric field between two lines of charges using Gauss Law
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Archived Period, amplitude, maximum speed, and total energy
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Law of Conservation of Mechanical Energy Exercise
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Archived How Is the Constant k0 Calculated in the Stellar Opacity Power Law?
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Find the electric force on a point charge
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Archived Thermal Collisions: Billiard-Ball Example | Problem 6.40
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Archived Volume Expansivity of Ideal Gas
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Find the impluse momentum of the sphere
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Archived The drift and diffusion currents under equilibrium
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Heat and Internal Energy - Thermodynamics
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Archived Calculating charge on a capacitor in a DC circuit
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Find the equivalent resistance between AB
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Archived Electrical energy dissipated in resistance of a wire
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Pulley question assigning conventions
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Archived Current of Coil, and Emf of Coil.
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How to solve for the normal force in pole vaulting using the equation ΣF = ma?
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Help with Electric Forces Problem and Equilateral Triangles
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Calculating Mass and Weight on the Moon
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Can Gauss' Law Be Applied Here?
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Electric field of a non-uniformly charged ring
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Bouyant force when there is no liquid beneath an object
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Archived How Does Closing a Switch Affect Capacitors and Resistors in a Circuit?
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Force Body Diagram Physics problem: Finding mass of boxes
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Archived Solving Potential Divider Questions: Output Voltage
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