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.
How Long Does It Take a Block to Slide Down a Frictional Incline?
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Trigonometric functions using accel & time
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How Is the Electric Flux Calculated for a Point Charge Inside a Cylinder?
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Static Friction but no mass given Help
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Help with mechanics problem-With my math in particular
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Electric field of semicircle rod at center
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Find angles between two rope and the ceiling
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8-point charges on a vertice of a cube
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How Do You Calculate the Speed and Velocity of a Clock's Second Hand?
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Simple Point Charge Potential Problem
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Time Dilation/Length Contraction
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Is Path Length the Same as Displacement?
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How to find force that a seat might exert on a book.
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Finding the Height of a Heavy Oil Column in a U-Tube with Mercury and Light Oil
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What Time Did David Reach Point A After Passing Carl?
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What is the potential energy of this group of electron charges?
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Reversable process with adiabatic expansion
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Electric Field extension through
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How Fast Should I Toss the Wrench to Reach the Roof?
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Help with Friction and Stopping Car
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Calculating radius of the core with just densities
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Is Building a Torsion Balance for Gravity Exploration a Weekend Project?
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How to Calculate Acceleration and Tension in a Two-Trolley System
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Experiment to Determine the Resistivity of a Wire
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HELP i cant think of the formula
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I don't understand f=ma So far so good
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Non constant acceleration due to one constant force, and one non constant force
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Electric field of a continuously charged semicircle rod at center
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One dimensional medium with 2 different dielectric constants
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Electric Potential, Electric Potential Energy, Electric Field
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Pressure on block immersed in water?
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Calculating Velocity from Coordinates: Is it Right?
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Estimate the maximum initial velocity
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Electric Potential Energy Spherical Shells
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Calculating the horizontal distance traveled of an object that was thrown.
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Is the Potential at the Negative Terminal of a Battery Always 0 V?
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I need to find the possible error for the volume of a cuboid
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Classical mass rope mass problem
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Anyone help with my physics HW?
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Ohmic or Non-Ohmic? - Reasoning Explained
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Measuring Friction on a Sloping Track
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How do you konw if dipole movement is negative or positive?
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What's is dv for a finite cylinder?
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What Is Instantaneous Velocity?
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How Does Heat Affect the Internal Energy of an Ideal Gas at Constant Volume?
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Calculating Unknown Mass & Speed After Car Collision | Homework Help
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Finding Electric Field for Three Point Charges
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Problem using Newtons second law
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Newton's laws - studying for a test
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Newton's second law and tension
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Net force and Newton's laws of motion
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Arrow hitting a target average force question
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Finding location of an object as a function of time
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How Do Forces Affect Motion in 2D Kinematics?
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What is the orbital velocity at pericenter and apocenter
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A Problem Involving Newton's Second Law
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Any examples of real-time energy measurement in homes?
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Solving Newton's Law Problem: Force on the Rope w/ 56N Sled
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Finding a object relative of time
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Does Vector Angle Affect Magnitude? Need Help!
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Law of Motion: Horizontal Force
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What Is the Correct Stress Calculation for a Wire Under Tension?
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Satellite Orbit Around Mars: Force & Speed Calculation
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Particle Position and Momentary Stop: Solving a Motion Equation
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Hydrostatics: U-Tube Homework Solution
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What Happens to the Magnitude of a Vector When Rotated?
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Help with Formula: Minimum Dist. to Avoid Hitting Car in Front
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Given position vs time graph, find velocity?
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Falling through the Earth problem
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Where is the mouse located when it reaches top speed?
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Designing a Variable Gain Voltage Divider Circuit
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Solve Gravity Lab Problem: Determine Accel Due to Gravity
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Calculate the water level in a pipe.
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Two forces held by pulley's on an inclined plane.
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Smallest possible tension and its angle
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Determining angle to which satellite is visible
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Solving Forces on Ladder: Wall & Floor
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Basic measurements and conversion not so basic
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How Do You Estimate Is and Rs Values?
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How Is Power Extracted from Wind Turbines?
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What is the particle's distance from the origin
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Hydrostatic Equation/Finding depth
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Simple Static Pressure problem, with units
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Why do atoms emit discrete frequencies of light?
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Please check solutions to Error Uncertainty calculations
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Seeking Experienced Physics Tutor: Paypal Payment Available
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Projectile Motion Using Vectors
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Help with Electric Field on a Square Insulating Sheet?
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Calculating Displacement and Landing Position of a Horizontal Projectile
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What equations should be used to calculate the tension in a rope?
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Connected Wheels Problem. Angular Velocity.
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Calculating Vector Components: Finding B_y with A-B Parallel to -x Axis
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Solving Vector C with Unit Vectors | Cross Product Help
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How to Solve Multi Phase Kinematics Problems?
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What is the Velocity and Direction of a Puck on an Air Hockey Table?
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How Do You Solve a Coupled Oscillator Problem with Limited Physics Background?
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Rotational kinematics using energy
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Center of Mass Homework: Equations & Solution
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Magnitude of the initial velocity of projectile
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Current vs Number of wires (finding cross section of a wire)
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