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

Double Integral of f(x,y) in a Triangle Domain

  • quasar987
  • · Replies 2 ·
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2

Taylor expansion of V = 2π σ(√(R² + a²) − R) for large R

  • quasar987
  • · Replies 6 ·
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6

Finding the Zeros of f(x)=e^xsin(x) on [0,2π]

  • UrbanXrisis
  • · Replies 8 ·
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8

What are the intercepts for the given quadratic function?

  • aisha
  • · Replies 13 ·
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13

Why Does a Half Harmonic Oscillator Only Allow Odd Quantum Numbers?

  • yxgao
  • · Replies 2 ·
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2
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5

Series Math Problem: Finding the Value of an Infinite Series

  • DivGradCurl
  • · Replies 2 ·
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2

Relating gas laws to climate change and the Kyoto Protocol

  • xLaser
  • · Replies 7 ·
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7

Are there additional dimensions in physics?

  • Dephenistrator
  • · Replies 5 ·
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5

Lift with two accelerations over 10 seconds using SUVAT

  • NinaL
  • · Replies 5 ·
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5

Calculate the fraction of power generated that is lost in the lines

  • joej
  • · Replies 2 ·
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2

Force in crossbar of inverted A suspended by two ropes

  • Crazedkid
  • · Replies 2 ·
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2

Finding radii of aluminum ball with cavity that barely floats

  • Honda47
  • · Replies 2 ·
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2

Reducing Fractions - (bc-ab) / (a^3 - ac^2 - 2ab^2 + 2b^2c)

  • lokisapocalypse
  • · Replies 2 ·
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2

Solve Derivative Questions: How to Delete a Post

  • Hypnotoad
  • · Replies 2 ·
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2

Solving Circuit Problems with Kirchhoff's Rules

  • joej
  • · Replies 8 ·
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8

Gas compressed isothermally then expanded isobarically

  • Mo
  • · Replies 3 ·
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3

Solving Car Turning Round Bend: Speed Range

  • Clari
  • · Replies 2 ·
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2

Is point b or c the highest temperature in a PV diagram cycle?

  • metaphysicist
  • · Replies 4 ·
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4

Calculating Angular Velocity of a Pulley under Varying Force

  • Beretta
  • · Replies 8 ·
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8

Computing trace of (dg + g∧g)²

  • DanM
  • · Replies 2 ·
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2

Three tension and force problems for test review

  • mutzy188
  • · Replies 6 ·
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6

Intercalation and Deintercalation

  • Padford
  • · Replies 2 ·
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2

Don't understand with what the question want

  • Sanosuke Sagara
  • · Replies 4 ·
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4

Find the mass of this boat using torque

  • Format
  • · Replies 2 ·
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2
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2

How Do You Derive a Price-Demand Function from Marginal Revenue?

  • c19dale
  • · Replies 2 ·
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2

Verifying Conservation of Energy for Vertical Spring Oscillator

  • Soaring Crane
  • · Replies 2 ·
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2

Which properties must all points on a wavefront have?

  • NYROCKFAN
  • · Replies 2 ·
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2

Let's suppose that both sequences are convergent

  • DivGradCurl
  • · Replies 5 ·
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5

Why Does a Bubble Expand as It Rises to the Surface?

  • Mo
  • · Replies 4 ·
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4

Finding total energy in an RCT physics model roller coaster

  • listera
  • · Replies 2 ·
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2

Need confirmation with a question answer

  • Sanosuke Sagara
  • · Replies 11 ·
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11

Magnetic Field and induced current

  • bchl85
  • · Replies 2 ·
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2

Understanding Circular Motion: Accelerations and Inertial Forces

  • coldfusion
  • · Replies 3 ·
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3

How Do Friction and Tension Forces Affect Motion?

  • Kimorto
  • · Replies 2 ·
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2

Need confirmation with my way of solution.

  • Sanosuke Sagara
  • · Replies 4 ·
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4

Car Runs Out of Gas: Calculate Speed After Coasting Down Hill

  • tigerseye
  • · Replies 2 ·
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2

What Does the Tall Pi Symbol Mean?

  • brute26
  • · Replies 2 ·
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2

Diverging lens focal length calculation: getting -7.5cm instead of -15cm

  • ms. confused
  • · Replies 2 ·
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2

Hamiltonian of flyball governor

  • shizzle
  • · Replies 7 ·
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7

Electron Chart: Finding Charging Ease of Objects

  • butz3
  • · Replies 2 ·
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2

Angular speed question right away

  • apgym2
  • · Replies 2 ·
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2

Limit of x/(x-3) times integral of sin(t)/t from 3 to x

  • TheMadHathor
  • · Replies 7 ·
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7

Understanding Simple Harmonic Motion: Spring and Hook's Law

  • saltrock
  • · Replies 2 ·
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2

Calculating the Release Point for Circular Motion

  • newcool
  • · Replies 10 ·
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10

Solving Diophantine Equations Using CRT

  • ascheras
  • · Replies 2 ·
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2

Solve Pressure Problem for Scuba Diver: Find Duration Underwater

  • myogi
  • · Replies 2 ·
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2

Graphing calculator Absolute values? HOW?

  • aisha
  • · Replies 5 ·
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5

Calculating Power for a Tractor Pulling a Loaded Sled at Constant Speed

  • DethRose
  • · Replies 2 ·
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2

Calculating Conveyor Belt Capacity: Solving a Work and Power Problem

  • DethRose
  • · Replies 2 ·
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2

Torque on a rectangular coil in a magnetic field

  • Sanosuke Sagara
  • · Replies 15 ·
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15

What are the properties of angular momentum operators?

  • wizzart
  • · Replies 3 ·
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3

How fast can a hoist lift a 326 kg load with 12.6 kw of power?

  • DethRose
  • · Replies 3 ·
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3

Solving a Physics Problem: Momentum and Energy Conservation

  • Grogs
  • · Replies 2 ·
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2

What Are the Solutions to the Equation x² + 1 ≡ 0 (mod 5³)?

  • brute26
  • · Replies 2 ·
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2

Optimizing sum of squares and other functions with constraint x+y=20

  • Shay10825
  • · Replies 6 ·
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6

Solving for the unknown in (a-a')+(b-b')=(a-a')*(?)

  • vice
  • · Replies 2 ·
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2

Can You Solve These Thermodynamics Practice Questions?

  • PhysicsWorst
  • · Replies 2 ·
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2
  • Poll Poll

How much time do you spend on homework per day?

  • speg
  • · Replies 6 ·
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6

How Do You Calculate the Final Velocity of a Car on a Curved Track?

  • HawKMX2004
  • · Replies 2 ·
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2

Solve Equation 0 = (cos x)^2 - x^2 or 0 = cos x - x

  • Eppur si muove
  • · Replies 5 ·
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5

Angular Momentum: Find E Mech Ratio for Clay/Cylinder

  • BbyBlue24
  • · Replies 2 ·
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2

What is the speed of an alpha particle emitted from an atomic nucleus?

  • psycovic23
  • · Replies 5 ·
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5

Article about long range artillery

  • Henk
  • · Replies 12 ·
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12

Can I post my physics homework here for checking?

  • Imparcticle
  • · Replies 16 ·
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16

How to find drive shaft RPM from motor power and torque

  • steelcap
  • · Replies 2 ·
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2
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2

Finding air density from temperature and pressure-altitude

  • wutang
  • · Replies 2 ·
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2

How Is Destructive Interference Achieved with Two In-Phase Speakers?

  • Gentec
  • · Replies 6 ·
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6

What Are the Solutions to These Calculus Limits?

  • yawie
  • · Replies 2 ·
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2

Are Independence and Disjoint Events the Same in Probability?

  • mikeyman2010
  • · Replies 5 ·
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5

1D Thermo problem, something is wrong

  • BlasterV
  • · Replies 2 ·
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2

How Can I Prepare for a Class in Electricity and Magnetism?

  • mad
  • · Replies 2 ·
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2

Solve Relativity Problem - Find Speed of Ref. Frame

  • Rioluany
  • · Replies 2 ·
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2

How Much Was the Violin String Tension Increased?

  • yellowmanjuu
  • · Replies 2 ·
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2

How Can You Solve for A and B Using Points (4,1) and (-5,-3)?

  • lvlastermind
  • · Replies 2 ·
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2

Moment of Inertia of a partial disk

  • abertram28
  • · Replies 2 ·
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2

Beat frequency from Doppler-shifted ultrasound echo in blood flow

  • j2dye
  • · Replies 2 ·
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2
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3

Surface Integral of Two Surfaces

  • Lomion
  • · Replies 2 ·
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2

Solving a 100kg Crate Pulled Across a Floor

  • Gentec
  • · Replies 3 ·
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3

What Is the Probability of Visiting a White and Even-Numbered House?

  • ms. confused
  • · Replies 2 ·
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2
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2

True or false: temperature, magma energy, and ocean water heat

  • Mollz
  • · Replies 3 ·
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3

Logic Systems Boolean Reduction Question

  • DethRose
  • · Replies 1 ·
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1

Speed of sound in liquid given Doppler shift in air and liquid

  • tmkgemini
  • · Replies 2 ·
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2

Block can slide along a table where the coefficient of friction

  • jbot2222
  • · Replies 2 ·
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2

Finding acceleration when pulling a suitcase at an angle

  • Kdawg
  • · Replies 4 ·
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4

What Determines the Vertical Fall of a Yo-yo in a Frictionless Environment?

  • Feynmanfan
  • · Replies 16 ·
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16

Work and friction in a mass-spring launcher

  • WillP
  • · Replies 2 ·
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2

Differentiation and Integration questions

  • Sombra
  • · Replies 5 ·
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5

Tension on each side of scaffold with window washer

  • Kdawg
  • · Replies 7 ·
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7

Efficiency of a power driven car

  • ponjavic
  • · Replies 6 ·
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6

Incandescent Light Double Slit Experiment -Will Interference Occur?

  • josephcollins
  • · Replies 2 ·
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2

How Far Does a Moving Electron Get From a Fixed Electron When It Stops?

  • salman_upright
  • · Replies 8 ·
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8

Is G a Cyclic Group of Prime Order?

  • semidevil
  • · Replies 2 ·
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2

Simpler way to solve differential equation for initial value problem?

  • kreil
  • · Replies 3 ·
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3

Who's using masteringphysics.com here?

  • iamhumble
  • · Replies 21 ·
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21

What is the different between filled rapidly and filled slowly?

  • rei
  • · Replies 2 ·
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2