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.
I think I made a crucial mistake at the electronics test, please take a look
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Angular Velocities of rigid bodies at plane motionHelp me
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Power Needed to Accelerate 1200 kg Car from Rest to 20 m/s
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Mechanical Energy: Kinetic & Potential Energy Balance
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Calculating Impulse for 0.5kg Ball Bouncing off Wall: Theta = 50
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What Force Is Needed to Roll a Wheelchair Over a Curb?
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Static equilibrium pulley problem
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Help with Energy at inelastic collision
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Heat conduction in hollow cilinder.
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Solving Force & Mass Problem on an Inclined Plane
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The Total Energy of an Object at Escape Velocity
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Negative maximum kinetic energy in Millikan's data?
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Why is it harder to open a car door when it's at an angle?
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How do I correctly apply Kirchoff's Rule to this electric circuit problem?
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Does Compressing a Spring Affect Its Energy Release in Acid?
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Determine equation of state from entropy
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How Is Work Calculated When a Force Varies with Position?
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Thermodynamics: heat needed to melt block of a metal
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Is the Velocity Equation for SHM Correctly Derived Without Calculus?
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Why multiply atm by atmospheric pressure in pascals?
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Solve for Block Speed After 3m: F=50s^2, u=.3, v=2m/s
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Heat problem, determine mass of ice cube?
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What is the relationship between tension force and SHM?
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Why Is My Integral Result Incorrect for Cosine of 2 Theta?
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What Is the Acceleration of a Baseball Hit by a Bat?
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Calculating Current Gain of Op Amp for Converting Picoamps to Volts?
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Determining height of powerline by throwing ball upward
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Minimum velocity for a sonic boom?
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How Can You Source Ball Bearings of Different Diameters but Identical Mass?
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Wien's displacement law's proof
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Fletcher's trolley apparatus - maximum value of coefficient
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Isolating t in horizontal motion equation
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Compute temperature rise from solar irradiance
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Frictionless, horizontal table radius and speed ?
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Magnetic Field in Rotating Cylinder w/ Non-Const. Angular Vel.
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Honors physics basic projectile motion question
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How Do You Calculate the Initial Speed and Angle of a Projectile?
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SHM: Phase Changes & Peter G.'s Experience
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Charged Plate w/ Gaussian Cylinder: Integral E*dA
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Horizontal escape of a projectile
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Four Fundamental Forces: What Are They and How Do They Shape Our World?
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Astronaut and space shuttle momentum
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Kepler's Questions: Saturn's Orbit & Satellite Radius Calculations
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How many prime mover is needed to pull the crane with velocity 10m/min?
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Bocce Ball Impulse & Kinetic Energy Calculations
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Gravitation field strength/Potential - Mid point between two equal masses.
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How Do You Calculate Angular Momentum for Different Pivot Points?
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Thermodynamics - again, Part of the ice that melt :S
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Calculating Charge with known voltage and Capacitance in a network
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Impulse of a ball hitting the wall
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How Do DC and AC Voltages Affect the Movement of an Iron Piece?
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Can the magnetive field of a pedometer be cancelled at a very small scale
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Plane landing with retarding force
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Pi Measons - frame of reference
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Mass falling in Earth's Gravity help
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A 65 kg tranpoline artist Jumps
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Find equivalent capacitance in a network with parallels and series
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Electric Force in a Square: Where is Best?
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Calculating Height for Shaun White's Snowboarding Trick
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Electrical circuit with resistors problem
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What is the equation for the length of a falling chain through a hole?
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How to find a charge on a sphere in equilibrium?
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Induced Emf in Rectangular Loop Problem
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Calculating Force w/ Scientific Notation Answers Coming Out Wrong?
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Bike Race Problem: Solving for Applied Force, Work, Power & Acceleration
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Finding the Total Mass in the Accelerating Blocks Problem: A Scientific Analysis
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Discover the Answers to These Light and Electromagnetic Wave Questions!
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How am I supposed to know the direction of this velocity?
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Completely inelastic collision
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Electromagnetic forces, finding alpha.
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Block of mass Rotational Problem
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Work and displacement of the point of application
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Bernoulli's Equation and plugging water hole
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Thermodynamics Problem - the lake :P
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Finding the max range of a jump on the moon using kinematics
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Blocks on Spring without Friction
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Friction and Potential Energy in Incline Block Experiment
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Calculating Mechanical Energy on a Water Slide
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Electrostatic force between to spheres
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Equilibrium: Minimum Cable Length
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Skidding Distance of a moving vehicle on asphalt gravel and grass
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Help with understanding how to figure out the amount of heat to boil away water.
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Solving Student's Ladder Homework Problem
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Conservation of momentum - bullet/pendulum
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Travelling to a Star 40 Light Years Away: Time and Distance Calculations
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Calculating Loops and Radius for a Cart
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Net Power Transfer by Radiation
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Power and Exponential Equations
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Solve for Building Height: Kinematics & Pythagorean Theorem
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Understanding the Equation for Waves on a String: Help Needed!
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Calculating Energe stored in a Parallel Plate Capacitor
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Using Gravitational Force Equilibrium to Calculate M2/M1 Ratio
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Projectile Motion- deriving formulas
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Transients(RC) elements in the circuit after commutation?
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Calculate car angle on the route
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What is exactly is a non-conducting material ?
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Inverse Laplace Transform, can't use partial fractions
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Collision- Am I thinking about this the right way?
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Why is 6k Ohms Reduced to 3k Ohms in Circuit Simplification?
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How Does Quantum Uncertainty Affect Dust Particle Trajectories?
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