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.
Equivalent Spring Constant in Series and Parallel Configurations
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Finding Centre of Mass of a Chain
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Shape of Minimum Moment of Inertia for Fixed Volume: How to Prove?
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Why Does a Passenger Continue Moving Forward When a Car Stops Suddenly?
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Electrostatic force between a charged ring and charged rod.
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Finding Derivatives for Bicycle Trajectory Plot in 2D
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Calculating Work on a Slope with Friction Coefficient of 0.2
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Atwood machine rope tension problem
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Amusement park ride rotating about y.axis
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Trebuchet Energy Conservation Problem Solution Explanation
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Average velocity problem~From Jay Orear book.
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The field just outside a metal ball
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How Do You Calculate Induced Current in a Varying Magnetic Field?
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Projectile trajectory - Trebuchet
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One mass strikes and sticks to another mass atatched to a spring
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Calculating electric field at a certain point in space
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Calculating Work Done by Gravitational Force: Undergrad Homework Help
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Finding the force balancing a weight
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Solving Series Capacitors: C1 & C2 Charge & Voltage
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Time period of Mass attached to 3 springs
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Solve Latent Heat Problem: Mass of Injected Steam
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Carnot cycles in thermodynamics
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Problem with relativistic doppler?
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What are the Dynamics of Friction in a Mass on a Level Surface?
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Finding Work and Power in a Traffic Junction
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Standing sound waves created in a pipe, question about resonances
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How Do Point Charges Affect Force on a Charge Along the X-axis?
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How can I solve this basic velocity problem involving a thrown ball?
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Does this even make sense? Measuring voltage of a capacitor
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Solve Friction & Pulley Problem: Acceleration of Blocks
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Calculating Coefficient of Friction for a Coin on a Turntable
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How Do You Calculate Forces on a Box Pulled at an Angle?
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What does this mean? I don't understand separated again
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Frictional Force Homework: Answer B
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Can anyone explain more for me Newton's 3rd Law of Motion?
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How Fast is the Shoe Moving Before It Hits the Spring?
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Is Gravity Not a Force in General Relativity?
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Can voltage appear out of the blue?
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Go Kart Motion: Velocity Time Diagram for Hill Coasting
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Calculating Rocket Speed and Spring Compression | Physics Homework Problem
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What is the distance between the astronaut and the satellite after 1.0 min?
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Fusion Reaction of Hydrogen and Deuterium into Helium
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A Horse Pulls a Barge in a River; What is the force of the water on the Barge?
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Capacitor Network: Potential Difference and Charge?
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How is Average Velocity Calculated for a Two-Part Journey?
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Deriving First Law of Thermo Equations
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What is the Uncertainty in the Wavelength of Emitted Photon?
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Problem on work done in thermodynamics
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Velocity and frequency of standing waves, number of nodes
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What is the Magnitude of Total Acceleration at Point A?
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How Is Capacitance Calculated in a Cloud-to-Ground Model?
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Potential of a point from charged rod.
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Verify Solution to Homework Problem
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Work to move charge to infinity problem
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Charge on 4 capacitors in parallel then series
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Work to move charge to infinity?
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Calculating Average Power LCR series circuit
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Electric field when there are 3 charges
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Calculate velocity when time is equal
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How long it takes for the ice block to hit the ground
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How can you determine instantaneous velocity from a position-time graph?
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Carnot Heat Pumps: Solving |Q_c|/|Q_h|=T_c/T_h Equation
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Electric Field Strength Inside a Cylindrical Non-conductor
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Calculating Charge of Two Spheres in Equilibrium
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Solving Ampere's Law Homework with Curve C
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Electromagnetism/Magnetism concept questions.
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How Long Does It Take a Supersonic Plane to Complete a 45-Degree Turn?
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What is the maximum induced emf in a rotating coil generator?
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Solving Newton's 2nd Law Problems: Blocks & Crate
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Football thrown, when does it reach max.height?
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Circular motion of plane flying at 40.1 degrees [CAPA Question]
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Circular Motion Energy/Binary Star problem
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Calculating the Velocity of a Fireman Sliding Down a Pole
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Solving Spring CD Horizontal Position Equilibrium Problem
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Two Trucks, same mass, one pulling other
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Lifting a 7.5 kg Box: Power Calculations
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What Are the Kinematics of Cliff Divers in Acapulco, Mexico?
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Intro to Thermal Energy/Heat Transfer: Grade 11 Practice Problems
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Energy problem-worker on roof of a building dropped a wrench over the edge
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Find Arc Length of x = 1/3√y(y-3) 1 ≤ y ≤ 9
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Gravitational Potential Energy of a skateboard
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Torque in cylinders - show the cylinder undergoes harmonic motion
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Charge and voltage of capacitors?
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How Is Electric Potential Calculated for a Charged Rod?
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Block Sliding on Moving Cart: Determining Time and Distance with Friction Forces
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Capacitor behaviour (force, electric field, charge and plate distance)
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Charged Beads released, find maximum speed.
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2 objects from the same altitude?
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Calculating the currents in each resistor
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Magnetic field of an infinite sheet of current
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Electrostatics - finding velocity of an electron
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Weight of ball/water/cylinder system as the ball falls
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Magnetic force for a current-carrying wire
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Calculating Escape Velocity for a Small Asteroid with Given Initial Velocity
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Finding points where electric potential is 0
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Backwards Derviative? Am i seeing this right?
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Dielectric Filled Parallel Plate Capacitor Question
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What is the Function of a Diode in Protecting an NPN Transistor?
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Angular velocity and acceleration for catapult arm
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What is the time period of a pendulum on an inclined plane?
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