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

Where Can I Find a Solution Book for Physics 4th Edition Volume I?

  • Tom McCurdy
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5

I need some help with an electricity problem

  • benji
  • · Replies 3 ·
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3

Electronics - Potential Difference & Electrical Potential

  • Kawrae
  • · Replies 3 ·
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3

Anybody Know The Currents And Equations For This Problem?

  • skivail
  • · Replies 6 ·
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6

How Do You Solve This Limit Problem Involving Square Roots and Squares?

  • thegame1234
  • · Replies 2 ·
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2

Is Quantum Theory Incomplete in Explaining Particle Organization and Energy?

  • whatzzupboy
  • · Replies 5 ·
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5

Coulombs law, and 3 point particles (vector question)

  • michaelw
  • · Replies 2 ·
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2

Understanding Linear Dependence in Matrix Multiplication

  • amb123
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2

The Quadratic Equation Process, is this wrong?

  • mathzeroh
  • · Replies 12 ·
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12

Finding frequency of light(simple physics)

  • eax
  • · Replies 2 ·
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2

Relative motion in 1 and 2 dimensions

  • RadiationX
  • · Replies 2 ·
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2

Centripetal acceleration problem

  • RadiationX
  • · Replies 5 ·
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5

Find the rate at which its temperature changes

  • jbot2222
  • · Replies 2 ·
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2

Grounded conducting cylinder using Laplace

  • meteorologist1
  • · Replies 5 ·
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5

How do I find the integral of sin^3 (t) cos(tà

  • courtrigrad
  • · Replies 6 ·
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6

Volume Calculation of Y=(x+2)^(1/2) & Y=(2-x)(2+x)

  • Sombra
  • · Replies 2 ·
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2

Algebra-should be simple, but isn't

  • cepheid
  • · Replies 19 ·
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19

Find Wave Wavelength, Frequency & Velocity: Physics Question

  • 404
  • · Replies 2 ·
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2

Can You Find the Function Given Its Derivative and Initial Conditions?

  • courtrigrad
  • · Replies 7 ·
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7

How Fast Does Someone Travel Standing on the Equator?

  • shawonna23
  • · Replies 2 ·
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2

Is the Ratio of [A^-] to [HA] Always 1 for Weak Monoprotic Acids?

  • tandoorichicken
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2

Solving Forces and Angles to Load Fuel Drum

  • k3l
  • · Replies 5 ·
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5

Solve Logarithmic Equation: Find x in 4.6*1.06^(2x+3)=5*3^x

  • thomasrules
  • · Replies 5 ·
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5

Find the Larger Angle A in 0<A<2pie with csc A = 5.7023 | Math Help

  • DethRose
  • · Replies 10 ·
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10

How many cycles until pressure decreases k times?

  • Yegor
  • · Replies 3 ·
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3

Dynamics smooth circular bar Problem

  • supersix2
  • · Replies 8 ·
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8

Calculating Torque, Power, and Work in a Magnetic Motor - Solving Part D

  • andrew410
  • · Replies 6 ·
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6

How Do You Solve Cotangent for 4.0527 Radians?

  • DethRose
  • · Replies 14 ·
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14

Finding Trig Substitution for Int. Problem: Help Needed

  • ProBasket
  • · Replies 6 ·
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6

Another question about Magnetic fields

  • andrew410
  • · Replies 6 ·
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6

Uncovering the Physics Behind Stethoscopes

  • liv
  • · Replies 2 ·
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2

What are the challenges of solving partial derivative problems in mathematics?

  • tandoorichicken
  • · Replies 3 ·
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3

Rocket Problem - Law Of Conservation Of Momentum

  • adabistanesoophia
  • · Replies 2 ·
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2

A couple of basic physics problems

  • ucsbjosh
  • · Replies 2 ·
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2

Question about magnetic fields

  • andrew410
  • · Replies 2 ·
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2

Thermo Heat Transfer: Water Boiling at 1 Atm Pressure

  • bird91
  • · Replies 2 ·
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2

What is the volume of a rain drop?

  • bjon-07
  • · Replies 2 ·
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2

How do you integrate \int e^{\sec x} \sec x\tan x dx ?

  • courtrigrad
  • · Replies 15 ·
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15

Torque exerted by cranksahft on load

  • sisigsarap
  • · Replies 2 ·
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2

How Does Electrostatic Force Affect Neutral and Charged Spheres?

  • leolaw
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4
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4

Calculating Mass of a Car with KE of 1*10^6 J

  • Lovely
  • · Replies 10 ·
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10

Digital Electronics: Binary-Coded-Decimal to Seven-Segment Decoder

  • GTdan
  • · Replies 2 ·
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2
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7

How Do You Calculate the X-Component of Electrical Force on a Charge?

  • GingerBread27
  • · Replies 2 ·
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2

Thin film interference on pavement

  • Kawrae
  • · Replies 2 ·
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2
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2

Calculate Force of Electric Dipole Moment

  • Gale
  • · Replies 9 ·
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9

Solving Electric Circuit: Magnitude & Direction of Resistor 1 & 2

  • compute_a_nerd
  • · Replies 2 ·
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2

Bernoulli's Equation: Explained for Non-Experts

  • kv2
  • · Replies 6 ·
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6

Gaussian surface, and uniform charge density

  • FrogPad
  • · Replies 3 ·
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3

How Does Force and Torque Affect Bicycle Chain Performance?

  • theknownothing
  • · Replies 2 ·
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2

Determine all planes orthogonal to (1,1,1)

  • Benny
  • · Replies 3 ·
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3

Questions on Mechanics (moments)

  • faisal
  • · Replies 6 ·
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6

How Can You Find Seven Unit Fractions That Sum to One?

  • courtrigrad
  • · Replies 7 ·
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7

Can Induction Prove the Sum of i^5 from 1 to n?

  • Tom McCurdy
  • · Replies 2 ·
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2

Understanding Trig Function Questions in the Range of Pi to 2Pi

  • DethRose
  • · Replies 4 ·
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4

Calculate the work done by the sliding the piano

  • SilverFalcon
  • · Replies 2 ·
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2

Expert Tips for Succeeding in High School Calculus

  • dekoi
  • · Replies 2 ·
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2

Solve for a and b: Find f'(10) and Simplify Quotient

  • speed racer 5
  • · Replies 7 ·
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7

Help With Calc 2 Problems: Integration & Differentiation

  • mewmew
  • · Replies 4 ·
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4

How to Prove Divisibility in Math Problems?

  • Nx2
  • · Replies 10 ·
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10

Trouble Solving a Plane Flight Path Problem

  • Mivz18
  • · Replies 2 ·
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2

How to Multiply Two Positive Integers Using Recursion | Comp Sci Questions

  • courtrigrad
  • · Replies 3 ·
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3

Calculate Frenet Apparatus for Space Curve

  • Sneaksuit
  • · Replies 7 ·
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7

Need help with finding questions over the internter

  • Canadian dude
  • · Replies 2 ·
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2

What is the center of mass of a pyramid?

  • TraceBusta
  • · Replies 20 ·
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20

Tricky mean life question (potassium)

  • JamesJames
  • · Replies 4 ·
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4

Kinematics of wooden box on slide

  • theCandyman
  • · Replies 4 ·
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4

Electroscope Forces: Calculating Total Charge Applied

  • thisisfudd
  • · Replies 4 ·
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4
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9

How Does Differentiation Relate to Limits and Approximations?

  • Phymath
  • · Replies 7 ·
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7

What Are Some Unique High School Physics Experiment Ideas?

  • Lianah
  • · Replies 2 ·
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2

Which Subject Test Should a Pharmacist Take: Chem or Bio?

  • Dooh
  • · Replies 10 ·
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10

What Are the Possible Values of Tan X for the Given Equation?

  • Link
  • · Replies 2 ·
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2

Determine the coefficient of static friction between car and track

  • HurricaneH
  • · Replies 4 ·
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4

Integral: Trig Substitution for 3x^2-1

  • ProBasket
  • · Replies 7 ·
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7

Calculating Spectral Exitance for Planck's Law & Blackbody

  • cant_stop_shaking
  • · Replies 3 ·
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3

Can All Subgroup Permutations in S_n Be Even or Half Even?

  • ti89fr33k
  • · Replies 5 ·
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5

Position x(t) for Particle Moving at Acceleration a(t)=6t-2

  • the_d
  • · Replies 2 ·
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2
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9

DeBroglie wavelength its due at 12am

  • LakeMountD
  • · Replies 4 ·
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4

Calculating Electric Force & Charge for Physics Problems

  • Kawrae
  • · Replies 3 ·
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3

Can the Set of 2x2 Matrices with Determinant Zero be a Subspace?

  • andytran
  • · Replies 5 ·
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5

Is This Integration Method Correct for Exponential and Polynomial Functions?

  • courtrigrad
  • · Replies 15 ·
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15

Where to Find Free Cumulative Physics Review Resources Online?

  • lotsoluv4ya
  • · Replies 2 ·
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2

Formula for average acceleration

  • mugzieee
  • · Replies 3 ·
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3

Calculating Piston Velocity Using the Law of Cosines

  • courtrigrad
  • · Replies 5 ·
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5

Solve Math Unit Problem: Initial Velocity of Rocket

  • Demise
  • · Replies 12 ·
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12

What is the volume of 1 g of butter with a density of 0.92 g/cm^3?

  • tobyguy
  • · Replies 2 ·
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2
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3

Explaining the Phenomenon of Static Electricity

  • chase222
  • · Replies 2 ·
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2

Electromagnetism everyone's favorite

  • lobstrain
  • · Replies 7 ·
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7

Geometric distribution problem

  • semidevil
  • · Replies 2 ·
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2

Calculating Volume Increase for Cube w/ Expanding Surface Area

  • Tom McCurdy
  • · Replies 7 ·
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7

Applications of non linear thermistor

  • richnfg
  • · Replies 4 ·
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4

Electric Field Calculations: Speed and Zero Points | Help Needed

  • cnugrl
  • · Replies 2 ·
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2

ANother Fun conceptual question to figure out

  • Dmt669
  • · Replies 2 ·
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2
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6

Help Padford with Statics Homework: Friction Formula

  • Padford
  • · Replies 5 ·
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5