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.
Ball rolling up a ramp with friction -- Find max height (Unsolved)
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Finding ##R_1## & ##R_2## in Series Circuit
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Acceleration of a point on square
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Calculate the average speed and average velocity
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Finding magnitude of electrical field at specific point
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Moment of inertia of a non-homogenous cylinder
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Figuring out the magnitude of electric repulsion
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Errors in basic current balance experiment?
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Moments of inertia of a rectangular plate
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How is the Barrel Length of a Human Cannon Calculated?
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Solve Non-Ideal Battery Homework: Find Power Through R2
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Electric field outside of a cavity
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Rotating a mass horizontally to raise a mass vertically
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How Do You Calculate the Moment of Inertia for Different Axes in a Cube?
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De Broglie wavelength of an atom
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Pulley -- Solving for an unknown mass
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Negative zero error in vernier calipers
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Opposing forces on objects in motion
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Making Momentum Chart and Finding Force for Baseball and Bat
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Nonrelativistic de Broglie energy Threshold of 1%
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Apparent weight of a man standing in an elevator
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Solve Kinematics Problem: Find θ for sx = symax
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Determine the angle through which the moving charge is deflected.
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Rod rotating, falling and hitting a mass
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Electric Field and minimum velocity
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Hooke's and Newton's law to find Second order ODE
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How Do Forces Act on Adjacent Links in a Chain with Applied Acceleration?
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How Much Energy Does an Electron Retain from Blue-Green Light?
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Optimal angle for a projectile from height h
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Force and Velocity to find Mass (via soccer)
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Distance of particle drop in magnetic field (probably geometry)
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Force of an electromagnet question
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Find Acceleration of Wedge with Rope Pulled by Constant Force T
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What is R2 in a circuit with a capacitor and given voltage and current values?
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Minimum value of V_0 for Odd Solutions in Square Well Potential
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Applying Relative Motion to One Dimensional Motion Equations
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Momentum/Kinematics (Contest Question).
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Confused about interference pattern of waves
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Heat transfer coeffcient expression
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Waterboat Question -- which heading to take....
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Atwood's Machine. I am asked to solve for the unknown mass.
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Angular Momentum of Mass: Understanding the Equations and their Application
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Particle on inclined plane whose steepness is increasing
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A coil of 25 turns of wire is suspended by a thread
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Curie's Law and 3rd Law of Thermodynamics
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Proving magnitude of impulse on either spheres
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What are the products of β+ and β- decay for an unstable parent nucleus?
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Fizeau's Exp: Calculating Speed of Light w/ Red Laser
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How to maintain the same stationary wave pattern?
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Why is My Young's Modulus Calculation Giving a Different Result?
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Discrepancy with Normal Force Problems
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Calculating Displacement: Understanding Vectors in Physics
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Using Torque to Prevent Cranes from Falling Over
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How Does Wire Length Affect Voltage in an Electrical Circuit?
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What is the Tension in the Wire for a Mass Pulled on a Rotating Disc?
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Max Speed of Mass on Spring: Calculate Vmax with 2πfA
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One dimensional inelastic collision; bullet through block.
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Calculating linear expansion of windshield 60cm*150cm
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Center of mass project exploding at max height
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Pumping Bicycle tire: Find volume, work done, temperature
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Resultant of 3 vectors along the sides of an equilateral triangle
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Center of mass of two connected different density blocks
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Find inequality for coefficient of restituition
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Time needed to half a volume of liquid
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Simple Harmonic Motion of a 12kg mass
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Falling elevator onto a spring.
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Potential energy curve, turning points
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PE and KE, mass sliding down incline into a spring (no friction)
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Is this against Kelvin-Planck statement?
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Understanding Relative Velocity of Runners Moving in Opposite Directions
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How far apart are two point charges....
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Simple kinematics question -- dropping a stone down a well
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Electrical power generated by wind turbine
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Linear Acceleration Homework: Equations & Solutions
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Impulse problem: how can these two angles be different?
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Relative motion in an elevator
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Finding Maximum Spring Compression in Projectile Collision with Target
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At what distance does a seaplane's boundary layer transition to turbulence?
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Force of Friction: Stopping 1,000kg Car at .8 Coeff.
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Why do two textbooks have conflicting equations for the harmonic wave equation?
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Rotational Inertia of a triangle
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Motion along a straight line (Finding acceleration).
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Mass not sliding on a smooth, accelerating base
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Finding the Weight and Torque of a Beam in Balance
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Energy & Momentum Homework: Frictionless Roller Coaster from A-E
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How Many Slits Are in the Stroboscope for Ripple Tank Waves?
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Confused about solution to kinetic energy question
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Electric Force and Work Question
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Rotational Motion Final Angular Speed Calculation
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Scaling up the nucleus to the size of a pin.
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How Does Force Direction Affect Rotation in Physics Problems?
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Question on relative velocity (High school motion)
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Projectile Motion & Vectors: Acceleration and Axis Conventions Explained
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Angular Momentum of a Uniform Rod
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How Does Relativity Affect the Motion of a Falling Stick?
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Find power dissipated in circuit with a ground
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A bucket of water is pulled up in humid air
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Power Irradiance Homework: Find Intensity
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Acceleration required to cause vehicle skid?
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What is the Mass Range M/m for the Ring to Rise as the Beads Fall?
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