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.
Kinematic Equation: Accel of Bullet Through 8.1cm Thick Board
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Car accelerating uniformly for 6s - kinematics
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Calculating Average Acceleration During Ball-Wall Collision
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Kinematic Equations for Acceleration: Solving Problems with Changing Velocities
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Does Tank Height Affect Water Pressure and Force?
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Electric charge inside a cubical volume
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Acceleration and Moving Objects
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How far into the block does the arrow penetrate?
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Temperature Gradient: Explained in Thermodynamics
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Estimating the force of a baseball swing
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Calculating the percentage difference.
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How Do You Convert a 2D Crystal Lattice to a 2D Reciprocal Lattice?
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What is a uniform paper collar in relation to rotation of rigid bodies?
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What units are used in the expression P = (B^2 A)/(2 mu_o)?
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Two dimensional motion problem: speed of sound as a factor?
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My Vector Enigma: Solving Analytically w/ Trig Functions
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Estimating Problem: Water Drops in Oceans
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Calculating Charge of Radon Nucleus
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What Is the Speed, Period, and Wavelength of This Transverse Wave?
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How to Find Acceleration for a Car Stopping Over 50m from 80 km/h?
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Calculating Water Flow Rate Under Compression
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How Do You Convert 65mph to ft/s and km/h?
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How Does Dalton's Law Explain Lower Boiling Temperatures at High Altitudes?
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Net force on charges found to be zero
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Calculate Resultant Force of Charges on Rectangle
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What are some suggestions for books that explain electromagnetic theory?
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Viscosity of Fluid Mixtures: Calculating Pa.s
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Just need to clarify something (FRICTION)
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Understanding Newton's Second Law: Troubleshooting Dynamics Trolley Experiment
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Calculating Air Friction Trajectory of a Ball
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How Does a Glass Block Affect the Convergence Point of Light Rays?
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Electric vs. Magnetic Fields: What's the Connection to Virtual Photons?
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Physical pendulum of stick swing
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Calculating Deceleration and Stopping Time for Margo's Corvette
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I i dont even know where to start o_O
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What Is the Electric Field at the Origin Due to an Infinitely Long Charged Wire?
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Calculating Acceleration & Initial Velocity from Displacement, Time & Final Velocity
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What Could Be the Mistake in Calculating Displacement Direction?
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Three charges/electric field problem
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Elementary physics in 1 dimension
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How Does Exponential Decay Relate to Velocity in Differential Equations?
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Solving Kinematics Problem: Total Distance in Last Sec vs. 3 Secs
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What is the best method to calculate the force of a baseball swing?
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Distance light travels in a given time
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In 1/2mv^2, is m grams & v ft per second?
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How Does Angular Velocity Change with Time in a Rotating Disk?
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How Much Light Passes Through Three Polarizing Sheets?
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Solving 2D Motion Problem: A to B Flight Distance
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Why does Harry's vacation start early?
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Vector components under a translation
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Maximizing dissipation rate in a simple circuit
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Simple vector subtraction question
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Understanding Trigonometry and Physics in Balloon Flight
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When Does Normal Force on a Wood Block Equal 0?
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I would like to get a confirmation about this one
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What is the magnitude of the acceleration of an electron
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Displacement Calc: Find x if x'>ab?
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What Is the Reaction Force on a Fire Hydrant Nozzle?
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Projectile Fired Over a Hill: Find H, R, Angle & t_g
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Free Fall (kinematics-what I do wrong?)
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Chi^2 Explained: Better Smaller or Larger Number?
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How Does Charge Transfer Affect Electrostatic Force Between Spheres?
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How Fast is an Airplane Moving at Takeoff with Constant Acceleration?
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Find the total distance traveled
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I was so sure I had gotten this acceration problem right
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Need help in finding formula please.
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Calculating Package Delivery by Air: Time, Distance, and Velocity
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Does Pressure Distribute Evenly in Water Columns?
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Calculating Average Speed: Mary's 10km Run in 40 Minutes Explained
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Calculate Distance Walked in Kilometers by Betty from Bay Farm Bridge to Hornet
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2 Simple mechanism geometry problems
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Entropy (Disorder): Increase/Decrease?
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Understanding the concept of impulse
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Physics homework help (one question)
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What is the electric flux through the hemispherical surface?
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Velocity and Distance Calculations for a Cyclist Riding Down a Hill
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Kirchoffs current law. Someone check to make sure its correct?
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Motion detector graphs, distance vs time
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What is the Relationship Between Displacement and Time in Particle Motion?
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Solve Kinematic Problem: Car from A to B at 120km/h & Car from C to B at 80km/h
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Find the time (t) - (linear problems)
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Solving a Physics Problem: Calculating Time on the Ground & in Air
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Calculate Impact Speed of Ball Bearings Dropped in Shot Tower
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Need help with 2 probelms - 1 simple one
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Deceleration (Driving a Car-Help)
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How fast will the car be traveling at that instant?
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Calculating Time to Reach a Stopped Object with Linear Motion
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How does thrust affect takeoff performance for the F-14 tomcat?
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Billy the kid and the kinetic energy
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Solving Heat Loss from Hose with Radii R_i and R_o
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Coke In a Car: Pressure Problem
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Mountain climbing Vector problem
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Finding Vector Magnitude & Direction in River Flow Problem
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Questions about Wave Period and Radio Wave Wavelength
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What Is a Newton Second?
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Problem involving slits, diffraction, and incident angle.
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Pressure in Tank: Increasing or Decreasing?
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Physics Baisic Lab Question and Scalar Components
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Is there a free alternative to MathType and Math Writer?
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Calculating Acceleration to Avoid Collision of Enterprise & Klingon Ship
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