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.
Calculating Force on Remaining Support After One Brick Is Kicked Out
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Projectile Motion: Methodology Check
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What is the spring constant in terms of mass and unstretched length?
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What Is the Frequency of the Second Tuning Fork?
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How Much Mass is Needed to Prevent the Wheel from Rotating?
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A uniform steel bar swings from a pivot
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What is the Total Momentum After Two People Push Each Other on Ice Skates?
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Forces acting on a sky-diver during skydiving
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Force to lift a chain: Conservative or not?
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[ElectroStatics]Question Regarding Charge within a Metal Sphere
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Block on inclinded plane, and falls
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Calculating Most Probable Point of Rupture on a Falling Pole
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Torque - Block's cord wrapped around a flywheel
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Pendulum Problem: Solve 100 Oscillations in 50cm Rod
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Rotational Kinematics of a turntable
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Determine Mass of Penny: Millikan Experiment
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Electric force of attraction between forces.
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Deriving Projectile Pendulum Formulas for Theoretical Speeds | Homework Help
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Solving for Force Given Rotational Inertia and Mass
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What is the net force acting on the log after 10 seconds?
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What is the potential and kinetic energy of a falling object?
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Centripetal Acceleration of a Satellite Orbiting Saturn
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Distance Traveled by Harmonic Oscillator in 1 Period
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Electric circuit resistor combinations
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How Does a Bobsleigh's Collision Affect Its Momentum and Forces?
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What Happens to Angular Velocity When Two Unequal Wheels Touch?
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Conservation of angular momentum of a thin rod
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How Do You Calculate Slingshot Maneuver Dynamics for a Space Probe?
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Wouldn't the solid expand in all directions?
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Electric potential at the center of a sphere
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Minimum Angular Velocity Problem
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Most probable position of electron in an infinitely deep square well
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Interesting Feymann statement about probability.
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Force Applied to Box on Incline
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How to show a wave function satisfies the shrodinger eqn
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Maximum Compression and Velocity of Spring-mass System
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Angular Momentum of a ball of clay
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Tension in Wire: Solve 8kg Ball Elastic Collision
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Finding Minimum Force Applied to Keep Objects Stationary?
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Calculating Temperature Rise in a Concert Hall Due to Occupant Metabolism
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REALLY easy electrostatic question
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Which Way Does the Net Force Act on the Circuit?
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Work and Kinetic Energy of a Trebuchet
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What is the Moment of Inertia of a Flywheel?
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Symmetry in a Triangular Circuit
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Expressing Angular Momentum in Units
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Calculating Angular Momentum when Radius Changes for 2s
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Multiple Forces Acting on Masses Attached by a String
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Differential equation of motion
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Calculating the Center of Mass for an L-Shaped Object
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Moment of inertia of triangle about centroidal axis
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Circuit with batteries facing the same direction
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Radial vs Tangential acceleration
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Impulse and Average Force. Ball by the Wall.
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Differential Difficulties in an RL Circuit Problem
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Calculating Steel Density from Experimental Data in Excel: Troubleshooting Tips
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Calculating Fundamental Frequency and Overtone Frequency of a Stretched Wire
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Tensions and centripetal acceleration
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Orbital motion electron (quantum)
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Waves and Sound - Air Column (Clarinet)
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Effective Magnetic Field in Ground-State Hydrogen Atom?
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Why Does the Surface of a Liquid Slope When the Container is Accelerated?
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What is its rotational kinetic energy?
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Balloon Movement in Accelerating Truck: Solving with Newton's Laws
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Mastering Physics: Heat Engine Problem
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Waves and Sound: Find Moving Train Speed
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Depth using Work, Weight, Height
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Centripetal Force - My conclusions are correct?
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Period of A Pendulum With Moveable Mass
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How Much Energy Is Lost When a Sledgehammer Hits a Stationary Merry-Go-Round?
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Heat engines and finding efficiency
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Dark Matter, calculating missing mass
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What Is the Angular Speed of a Falling Ruler at 30 Degrees?
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How Does Observer Velocity Affect Sound Wavefront Frequency?
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What is the pressure in the middle of a vortex?
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What Determines the Initial Conditions in Spring-Mass System Problems?
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Voltage Used to Fire an Electron
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Kinematic Equations for Projectile Motion
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How to determine angle of net force-electric charges of right triangle
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What is the phasor form for an E field with a variable distance and phase shift?
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Angular Acceleration due to Light Waves
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Solve Efficiency Problem: Heat Water in 1000 W Electric Kettle
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Two Blocks on an Incline(picture)
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What is the velocity of a sliding ladder in respect to the wall and bottom?
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Help with shear stress and angle of twist
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Rotating Falling Object: Calculating Force and Energy at Impact
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How do you calculate the magnetic moment of the ground state of Calciu
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Waves and Sound - Bat Chirp/Echo?
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Solving for Time and Height of Sphere Meeting | 1 D Motion Problem
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Spin 1 Particle in a time dependant magnetic field
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Projectile hits rod hanging from pivot.
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Parallel Axis Theorem problem help
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Matrix of Hamiltonian, system's state - quantum
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Rotational Dynamics of a Motor-Driven Drum System
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Moment of Inertia of a Thin Rod about its Center
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Special Relativity: Doppler Effect?
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Solving Yo-Yo Force Problem: Find Acceleration & Friction Force
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Interference of Light - Thin Film
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Two liquids are inside of a U-tube, which
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Impact of a Fluid Jet Experiment
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