Introductory Physics Homework Help Forum

Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.

Threads

What Happens to the Force Between Two Touching Charged Spheres When Separated?

  • TheMadCapBeta
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What Is the Correct Electric Field Calculation for a Point Charge?

  • nautica
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Parallel Resistance for Two Identical Headlights with 6V Battery

  • nautica
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2

Bungee jump from a bridge, how to find h

  • jperez94
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Solve f(x) for a and b: Calc Workshop Help

  • ACLerok
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What are the Moments and Forces in These Statics Problems?

  • formulajoe
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3

Help with Confusing Fluid Problem: Filling a Pool

  • mindhater
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Solving Easy Work Problem: 10N x 3.5m and 805 N x 22m

  • diciccod
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Waves Investigation [Using water]

  • Acidvoodoo
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How to interpret this projectile motion problem

  • mcintyre_ie
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Help with Momentum: Change in Momentum & Force Magnitude

  • badboyben03
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Rotational kinematics and grinding wheel

  • ACLerok
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  • Poll Poll

Forces Keeping 1g & 2.5g Cars Together After Collision

  • nodnarb
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Find Initial Velocity of 5.5g Bullet Impacting 22.6g Block

  • melal
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Differentiating electromagnetic field

  • jlmac2001
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Solve Fluid Motion Problems: Blood Pressure & Oil Flow

  • moonlit
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Elastic head-on collision physics

  • Eminem04
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Solve Lava Bubble Layer Problem: Speed & Direction

  • DivGradCurl
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Non-free-fall Acceleration Problem

  • holly
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How to Integrate by Parts Twice for e^3x cos(x)?

  • Klion
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Centroid of a shape with a half circle hole

  • cathliccat
  • · Replies 3 ·
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Integral of Natural Log Part II

  • wubie
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Quick Algebra Questions: Factoring and Solving Equations Explained

  • physicszman
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Hyperfine and fine structure ENERGIES

  • student1938
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Integrating Natural Logarithmic Functions

  • wubie
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Ball rolling down ramp off a table

  • KingNothing
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Solving for Initial Speed of a 5.5g Bullet Impacting Wood Block

  • CoolBlueR
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What constant force does the punter exert on the ball?

  • pinkbubbles04
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Dropped Rock Kinetic Energy Problem

  • NIT14
  • · Replies 5 ·
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Searching for female physicists

  • kl2d1726
  • · Replies 5 ·
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Solving a Car's Travel in a Flat Circle - Can You Help?

  • Xamfy19
  • · Replies 4 ·
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Help for High School Physics Student: Drawing Force Diagrams

  • dgessler
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Solving Poiseuille's Law Flow Rate Problem | Help Needed

  • rddimtbo
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Where is the Electric Field Zero Between Two Charges?

  • mrbling
  • · Replies 7 ·
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Why alkanes are said to be saturated

  • recon
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Problem with composite functions

  • krusty the clown
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Help with physics transformation homework

  • Dagenais
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Need Help? Solve 2 Physics Problems

  • spudnick
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Equilvalent Resistance Problems

  • mustang
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Calculating Electric Field in a Line of Charge Problem

  • Andrew.
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What is the maximum altitude reached?

  • Themachine8
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Calculate the normal force and the tension in the string

  • hadoken22
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Irrotational and divergenceless?

  • jlmac2001
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How Does Electric Field Strength Change with Distance from a Point Charge?

  • pringless
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How Is the Potential Energy of a Skydiver-Earth System Reducing?

  • Crashdowngurl
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How Does Physics Enhance Car Performance and Safety Features?

  • Kensai
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Calculating Force to Pull Copper Ball Upward

  • anneseanandy
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Newtonian mechanics on a particle

  • jlmac2001
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SecondOrder Nonhomogenous Linear Differential Equations

  • wubie
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How can I determine the speed of a bullet fired into a block of wood?

  • Crashdowngurl
  • · Replies 3 ·
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Solve Laplacian for sqrt(x^-y^2) & ln(r^2)

  • jlmac2001
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Need help with conduction and oscillation question.

  • Skyblitz
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Powering 4 Blue LED's in Parallel: Dropping Voltage to 3.5V

  • Cummings
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EMF in Rectangular Loop: Solve Now!

  • infinitelylong
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What is the Formula for Converting Rotational Speed to Linear Speed?

  • celect
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Finding the y-intercept of a Parabola: A Hint

  • Echo 6 Sierra
  • · Replies 6 ·
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What are vectors and how are they used in physics?

  • Maxwell
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Photoelectric Effect: Max Current, Cutoff Potential, Kinetic Energy

  • marshall4
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Mastering Forces on an Inclined Plane: Final Exam Question Help

  • paigegail
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Force of Object on Inclined Place

  • paigegail
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Solving Resistor Problems 17, 26, & 27

  • mustang
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Solve Series Resistor Problems: 7, 11 & 13

  • mustang
  • · Replies 2 ·
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Simple Quantum Mechanics Problem

  • student1938
  • · Replies 13 ·
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What is Young's Modulus and How Does it Differ Between Materials?

  • Magg$
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How Fast Does a Girl Enter the Water When Diving from a 15m Platform?

  • meawinner
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At what time will the particle be traveling at 32 degrees

  • Xamfy19
  • · Replies 7 ·
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Finding the Angle Between Two Vectors

  • formulajoe
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Calculating Receiver's Path and Speed to Catch Thrown Ball

  • neochris
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Calculating Initial Velocity for a Basketball Player's Leap

  • pepperoni
  • · Replies 4 ·
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How did they calculate the speed of light?

  • crystal cascade
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What Is the Magnitude of the Force?

  • HandcuffedKitty
  • · Replies 3 ·
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Physics hw =p need formula help

  • tzvu
  • · Replies 5 ·
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Clueless about electric charges questions;

  • Matt Jacques
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How Do You Calculate Acceleration in Different Scenarios?

  • adversary
  • · Replies 2 ·
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Theres something about gravitational

  • ACLerok
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How Do You Calculate Electric Fields of Spherical Charges Using Gauss's Law?

  • eku_girl83
  • · Replies 3 ·
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Calculating Work and Kinetic Energy of Jet-Powered Train

  • DarkAnt
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Calculating Tension of Steel Wire at Different Temperatures

  • HWManiac
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Why Is Charge Measured in Nanofarads Instead of Coulombs?

  • AngelofMusic
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Discover the Heat Transfer in a Thermo-Aluminum Calorimeter with Metallic Blocks

  • PrudensOptimus
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Smallest Argument of Complex Number z |z+8i|=4

  • kishtik
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Electric field in two dimensions

  • stunner5000pt
  • · Replies 2 ·
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Discovering Frustration with Physics: Help Appreciated

  • Kozel
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Solving Christmas Tree, Ocean, and Triangle Physics Problems

  • hyen84
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