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.
Lenz's Law Homework: Calculating Induced Current & Magnetic Force
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Finding current across capacitor
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Can You Solve This Circuit Using Kirchhoff's Laws?
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Need clarification: conservation of kinetic energy (elastic collision)
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How Does a Concave Mirror Affect Image Characteristics?
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Monochromatic Light Frequency in Glass (5.20 x 10^2 nm, n=1.50)
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Calculating Time Constant for Series Inductor and Resistor
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Question on volumes of water, excess mass, potential energy and power
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What is the capacitance of a capacitor constructed using foil and paper?
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Kinetic/potential energy of charges as they approach each other
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Find the normal force exerted by the floor
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Rotational Energy of a baseball
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Need help finding coefficient of kinetic friction
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Friction and moving blocks on inclines
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Solve Rational Expressions: x/20 = (3/8)-(4/5)
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Gravitational field, density and mass.
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Energy stored in the magnetic field of two inductors
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Solving the High Jump Velocity Puzzle
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Simple harmonic motion of a car
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Oscillations and Physical Pendulum help
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What is self-inductance and how does it relate to magnetic flux and current?
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Calculating Velocity from Kinetic Energy: Solving for v in the r=mv/qb Formula
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Calculate the angle of refraction for a substance
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How to Determine Angular Deceleration and Initial Speed of a Coasting Saw Blade?
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How is Torque Calculated for a Mouse on a Clock Hand?
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Angular acceleration of machinery
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Accuracy of Current and Voltage Measurements
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Why Am I Struggling with Thermal Physics Calculations?
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Finding Angle of Vectors in 2D Space
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Friction on an inclined plane (freebody diag. included)
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Calculating the energy level and radius for a helium atom
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with my question on insolation and power
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Calculating Change in Velocity for a Baseball Player's Slide
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Rotational Dynamics, centre of mass.
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Phase equilibrium in a vessel with unsteady flow
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Slide Wire on a V-Shaped Track: Calculating EMF, Current & Area
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Why Can't Electrons Flow Directly Within a Battery?
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Scales stacked together: reading on each?
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Hooke's Law: inconsistent spring constants what
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How Do Parallel Resistors and Capacitors Affect RC Circuit Half-Life?
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Figuring Velocity from Acceleration
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How Do You Calculate Light Refraction Angles Through Quartz?
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Light Refection and Snell's Law
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Which Scalar Quantity Cannot Be Less Than Zero?
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Understanding Friction, Motion, and Gravity: How to Solve Physics Problems
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Linear acceleration and moments of intertia
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Understanding Charge Density and Electric Fields
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Destructive Interference of a sheet of mica
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Time-Varying Magnetic Fields Q#2
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Electric Ceiling Fan: 0.0988 Rev in 0.208s
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Calculating Mass and Tension: Classical Mechanics Problems Solved
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Force of friction and Torque problem
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How can I find the equilibrium length of the string for a helium-filled balloon?
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Working out the geostationary orbit
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Question About Resultant of Parallel Forces
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Examine the reaction in which uranium fractures
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Does the Thin Lens Formula Apply to Pinhole Cameras?
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Diffraction Grating: Laser Illumination & 643 nm Wavelength
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Find the Zero Potential Point on the X-Axis for a System with Two Point Charges
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Do sound waves and light rays interact?
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Find Number of First Missing Maximum in Double Slit Diffraction Pattern
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What is the induced current in a loop due to a time-varying magnetic field?
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Calculating Velocity After Inelastic Collision
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Potential difference between two points for a circuit with two batteries
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Find a relationship between C & E
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How do I calculate the work done on a box pushed up an inclined plane?
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Microscope to view sample in focus with a completely relaxed eye
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Finding the charge of a capacitor
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Expert Mechanics Help: Solving Moment of Force Problems | 6 Unsolved Issues
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Finding shift in centre of gravuty
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Calorimetry Problem - Find Specific Heat of Liquid
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Potential Difference: Equal Charge, Line Charge & Ring Charge
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How Old Is the Rock Using Potassium-Argon Dating?
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How Is Tension Calculated for a Submerged Accelerating Object?
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Need Help with General Physics II Homework? Get Expert Assistance Today!
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Calculating Net Force on a Point Charge in a 2D Coulomb's Law System
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Finding energy produced in nuclear fusion
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Inelastic Collision and Finding Initial Velocity
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Equilibrium and Torque and minimum mass
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Having hard time understanding Universal gravity Law
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Optimizing Water Flow in a Vertical Pipe: Calculating Pressure and Speed
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Force on electron as it travels through conductor
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What defines an algebraic fraction
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Efficiency of nuclear powerplants
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How Much Does 2.9955623e+05 Tonne Weigh?
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How Large Should the Second Tank Be to Achieve the Desired Pressure Increase?
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Quantum Mechanics: a non-normalizable state
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What is the speed of the traveler ?
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How Much Energy Can a 450 m² Solar Panel Collect in an Hour?
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Moment of inertia & area density
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Cyclotron accelerating protons to 20 MeV with potential gap 100 kV
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What is the electric field at the origin due to a distribution of charges?
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How come a bouncing ball does not exhibit SHM characteristics?
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Solving for Current in a Coil: A Troubleshooting Guide
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Induced current in copper wire
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What is the charge that can be stored on this capacitor
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I'm not sure what you're asking. Can you clarify?
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Solving Planetary Motion: X & Y's Circular Orbits
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Pacemaker and Wire with Current
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What is the Tension in the Horizontal Cable Supporting a Crane?
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