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 do I calculate the average velocity of a Honda Civic traveling along a road?
  • COCoNuT
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Complex Number-how to show it ?
  • scoutfai
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What are the dimensionally consistent powers in the expression v = a^p * t^q?
  • tony873004
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Solving cos^-1 (3/7): Exact Trigonometric Values and Techniques
  • courtrigrad
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Unsolved Textbook Exercises: Seeking Help and Solutions
  • kelvintc
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Thrown ball velocity and acceleration
  • spdrxc
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What is the electric flux through the rectangle
  • spatel600
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How Do You Calculate Moles and RMS Speed in Ideal Gas Problems?
  • Auron87
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Calculating Induced e.m.f and Power in a Perpendicular Coil
  • islandguy
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What single chip can be used to replace an AND gate in a circuit?
  • paul11273
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Instantaneous velocity animation
  • Whatupdoc
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Test rocket acceleration physics problem
  • elizabethg
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Kinematics bowling ball problem
  • physicsss
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What is the force at 18 degrees in a charged ball suspension problem?
  • physicsuser
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How Do You Calculate the Uncertainty in Physical Measurements?
  • physicsss
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Solving the Salmon Jump Problem: How High Can it Go?
  • Hollyleelee
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Point charge in an electric field
  • jimithing
  • · Replies 11 ·
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11
Solve Simple Velocity Problem: Understanding Integration and Momentum
  • teclo
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4
Building a Tesla Coil for a School Science Fair: Tips and Advice
  • Shay10825
  • · Replies 6 ·
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6
Simplifying Combinatorics: Proving nC(k-1) + nCk = (n+1)Ck for k>0
  • courtrigrad
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2
What does this experiment show?
  • Topher
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What is the concept of Gauss' physical law?
  • galipop
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How to Integrate \frac{\sqrt{x+1}}{x+3} dx with a Suitable Substitution?
  • Ethereal
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3
Finding the Direction of a Plane's Emergency Landing Using Trigonometry
  • COCoNuT
  • · Replies 24 ·
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Find Resoance Frequency for Electric Motor Mass of 100 kg
  • bullet_ballet
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Solving Hexane Condensation Problem: Flow Rate & Recovery
  • jimithing
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What is the magnitude of the velocity vector at time t = 8.3 s?
  • SMS
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Solve Physics Problems: Oil Slick Diameter & Bowling Ball Speed
  • lmf22
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HELP 3 physics problems that i am stuck on
  • SJC25
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Electric Potential in a Region: Is it Zero or Nonzero?
  • GreenDinos
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An electron moving across capacitor
  • spatel600
  • · Replies 8 ·
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8
Tackling a Tough Physics Problem: Proton's Turning Point
  • spatel600
  • · Replies 5 ·
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5
Max Angle for Increasing Distance Projectile
  • ExtravagantDreams
  • · Replies 13 ·
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13
Newton Law of Universal Gravitation
  • scoutfai
  • · Replies 15 ·
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Calculus Problem Help: Solving f'(x) + ((1 -2x)/x^2)*y = 1
  • Cyannaca
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AP Calculus AB and BC: Appropriate Book?
  • courtrigrad
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Finding Distance Moved by Swapping Positions of Two Masses on Boat
  • dibilo
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Derivative with respect to time ?
  • ddoerr
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Calculating Basketball Player's Hang Time
  • Webb
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Tough calc projectile Q w/ incline. HELP
  • asourpatchkid
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Physics I should be able to do
  • JonF
  • · Replies 12 ·
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What are the confusing questions about structural I beams and cones?
  • rumaithya
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Calculating Edith's Average Velocity in a Relay Race
  • Whatupdoc
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Linear Speed of Object on Earth Surface at 62.0 Degrees Angle
  • Eleet
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How can you determine the net force of a bottle
  • Gmaximus
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Conducting sphere in a conducting spherical shell
  • GreenDinos
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Initial Speed of Ball Thrown Horizontally from 15.75m Height
  • Eleet
  • · Replies 8 ·
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Calculating Force in Parallel Conductors
  • voormann
  • · Replies 4 ·
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Maths or physics Interception question
  • High_flier
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How Do You Calculate Electrostatic and Gravitational Forces in a Helium Ion?
  • psruler
  • · Replies 10 ·
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Will expansion increases potential energy?
  • no idea
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How Does Liquid Volume Affect Pressure and Flow Rate?
  • ConceptuallyInept
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One dimensional motion magnitude
  • SMS
  • · Replies 6 ·
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Vector Addition: V1, V2, and V3
  • Eleet
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How Do You Convert Air Weight from Newtons to Pounds?
  • kdk41085
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How Do You Calculate Acceleration from Velocity?
  • Shay10825
  • · Replies 16 ·
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Equal Pressure in Efflux: Understanding Fluid Dynamics in a Tank
  • suffian
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Solving Box & Ramp Problem at 50° Angle
  • mrjeffy321
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How to Calculate Moment of Inertia for Composite Objects?
  • Gmaximus
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Calculating Horizontal Distance of Ball Bearing with Mass 11.0 g
  • SMS
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How do you design a bridge with these materials?
  • davedj23
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Steps to solve Projectile problem
  • GWelch
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How Far Should the Rescue Crew Fly to Reach the Plane?
  • COCoNuT
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Trouble with Notation in Vector Analysis
  • ExtravagantDreams
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How Much Rubber Enters the Atmosphere from Tire Wear in the U.S. Annually?
  • Anamoly
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Find Direction of Vector A+B: Easy Problem Solved
  • Whatupdoc
  • · Replies 8 ·
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Relativistic Lagrangian -> Hamiltonian
  • Igor_S
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Calculating Flowerpot Height | Freefall Problem Help
  • teknodude
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Dimensional analysis and frequency
  • jewilki1
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Center of Gravity, Non-Uniform Bar
  • JasonRox
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What is the difference between empirical and fundamental laws in physics?
  • arwen^undomiel
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How can I solve this free fall problem with missing variables?
  • pinky2468
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Mars Climate Orbiter probe crashed into the surface of Mars
  • Whatupdoc
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Investigatory project in physics
  • nyita
  • · Replies 27 ·
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Baseball Projectile Motion Problem
  • NoPhysicsGenius
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Trouble Solving Relative Velocity in 2-D?
  • NoPhysicsGenius
  • · Replies 5 ·
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How Is Mass Calculated from Specific Heat?
  • Zorodius
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Electric Potential, acceleration and velocity
  • Brianjw
  • · Replies 8 ·
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Why Doesn't f(x + Δx) Approach f(x) as Δx Approaches 0 in Limits?
  • haribol
  • · Replies 4 ·
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Projectile in Motion: horizontal
  • khai06
  • · Replies 3 ·
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Electric Problem: Charges Drawn to Uncharged Metal Rod
  • Physicsisfun2005
  • · Replies 3 ·
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Understanding Quadrants: Identifying Angle Position in Standard Form"
  • Poweranimals
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What is the speed of the new steamship?
  • NickyuTse
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Solving Acceleration Problems in a Sports Car Rally
  • Manbe
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Calculating the Density of Wood with Archimedes' Question
  • jimithing
  • · Replies 5 ·
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How much force did the rock exert on my head?
  • pneumoped
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Convert octal to hex, w/out converting to Binary
  • dk702
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Solve Physics Problem: Max Force & Height for Bone Fracture
  • alonzo
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Solve Electricity Equation: Physics Problem Help
  • Zurtex
  • · Replies 4 ·
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How Do You Calculate Atomic Plane Spacing in a Cleaved Crystal?
  • bang911
  • · Replies 5 ·
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Three quizzes from our exam(junior middle school grade 3)
  • NickyuTse
  • · Replies 20 ·
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Solving Drive Train Problem with Friction Coefficient of 0.3
  • ee7klt
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What Factors Affect the Period of a Simple Pendulum?
  • chapz
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Is it possible to 'disappear into thin air'?
  • Shyla
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How Do Nitrogen Molecules Separate When Changing From Liquid to Gas?
  • JasonRox
  • · Replies 7 ·
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How Can I Finish Integrating a Natural Log Using Integration by Parts?
  • krusty the clown
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Calculate the mass of unknown nucleus
  • james11
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Properties of metals and nonmetals ?
  • arwen^undomiel
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Calculating Spherical Harmonics Cuadratic Dispersion
  • altered-gravity
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One question, should be a quickie
  • ninoslino
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