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

Solving Vector Coordinates Problem for Circular Movement

  • brad sue
  • · Replies 6 ·
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6

How does a computer calculate acceleration and velocity?

  • h_k331
  • · Replies 6 ·
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6

How is the Displacement Current Used to Resolve Issues with Ampere's Law?

  • hhh79bigo
  • · Replies 5 ·
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5

How do Nuclear Submarines work in the James Bond movie

  • actingbiz1
  • · Replies 6 ·
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6

Calculating Wave Function for Standing Wave on String

  • Scarborm
  • · Replies 2 ·
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2

Solving Tension Problem with 3 Cables | Philip

  • philipc
  • · Replies 4 ·
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4

When Does the Marble Overtake the Stone in a Gravity Experiment?

  • mickarose
  • · Replies 4 ·
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4

Calculating Tension and Speed in Circular Motion: A Tether Ball Example

  • Lalasushi
  • · Replies 1 ·
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1

Solve Heat Conduction for 3D Rectangular Solid

  • danai_pa
  • · Replies 1 ·
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1

Primitive Roots: Multiple Possibilities?

  • pivoxa15
  • · Replies 7 ·
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7

Are 3 Vectors Coplanar? Checking the Triple Product

  • teclo
  • · Replies 4 ·
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4

Recoil energy and Heisenberg Uncertainty principal

  • amb123
  • · Replies 2 ·
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2

A couple of calc III, 3d drawings & sphere problems

  • mr_coffee
  • · Replies 4 ·
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4

Understanding Big-Oh Problems with Two Parts

  • IcyBlueRose
  • · Replies 7 ·
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7

O.D.E. Question: What Do Most People Need to Think Of?

  • asdf1
  • · Replies 15 ·
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15

Design a Container to Survive a 15 Meter Drop

  • carlos_isaias
  • · Replies 1 ·
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1

Electric Field charge calculation

  • Brad_1234
  • · Replies 4 ·
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4
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5

Calculating Car's Acceleration in Circular Motion

  • tubworld
  • · Replies 6 ·
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6

Solving Dimension Matching Problem with Brad - 65 Characters

  • brad sue
  • · Replies 4 ·
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4

Finding the net electrostatic force on particle 1, triangle

  • mr_coffee
  • · Replies 9 ·
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9

Calculating Course and Arrival Time for a Plane with Wind-Affected Speed

  • Pseudo Statistic
  • · Replies 5 ·
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5

Calc III, what point could this be?

  • mr_coffee
  • · Replies 8 ·
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8

Solving Taylor Series Problem with m-th Derivative Bound

  • brad sue
  • · Replies 2 ·
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2

Eigenfunctions and Energy Measurements in Quantum Mechanics

  • t1mbro
  • · Replies 4 ·
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4

Is V Also a Vector Space Over the Real Numbers?

  • loli12
  • · Replies 2 ·
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2

Projectile motion but with resistive force

  • tubworld
  • · Replies 1 ·
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1

Factors affecting the resonating frequency of wire

  • revan
  • · Replies 5 ·
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5
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2
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5

What is the purpose of dx in an integral?

  • ludi_srbin
  • · Replies 4 ·
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4

Calculate Average Acceleration & Final Velocity of 25m/s & 0.4m/s

  • Sisi
  • · Replies 6 ·
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6

Finding Fourier Coefficient for f(x) = 2δ(x-1) + δ(x-2)

  • Zaare
  • · Replies 3 ·
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3

Also O.D.E stuck on integration step

  • asdf1
  • · Replies 7 ·
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7

What are alternative methods for solving the O.D.E. y'=(x^2+y^2)/xy?

  • asdf1
  • · Replies 7 ·
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7

Is This Nonlinear O.D.E. Solvable?

  • asdf1
  • · Replies 16 ·
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16

Solving Unseparable O.D.E. xyy`= 2y^2 +4x^2

  • asdf1
  • · Replies 12 ·
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12

Proving Matrix Addition/Scalar Multiplication Properties

  • asdf1
  • · Replies 10 ·
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10

Could use some help on this e&m question

  • blur13
  • · Replies 1 ·
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1

Can You Drop an Object Through a Hole in the Earth?

  • insertnamehere
  • · Replies 11 ·
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11

How Do Traffic Signal Timings Affect Car Speed Calculations?

  • brad sue
  • · Replies 2 ·
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2

How Do You Find the Velocity of a Particle Given Its Position Function?

  • JoshHolloway
  • · Replies 4 ·
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4

Do Independent Normal Variables Exceed a Given Total?

  • WY
  • · Replies 3 ·
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3

Helpfield of continuous distribution quest.

  • meadow
  • · Replies 1 ·
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1

SHM problem involving an applied force

  • insertnamehere
  • · Replies 6 ·
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6

How Do You Solve Complex Physics Problems Using Trigonometry?

  • thugg
  • · Replies 4 ·
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4

How Do You Solve These Physics Problems Using Component Methods?

  • thugg
  • · Replies 7 ·
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7

Have a question on how to do an integral.

  • PCP
  • · Replies 1 ·
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1

Unraveling the Mystery of Solving Square Roots

  • TSN79
  • · Replies 7 ·
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7
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10
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2
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7

Finding the Unit Vector Orthogonal to a Defined Plane

  • teclo
  • · Replies 6 ·
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6

Understanding Electrostatic Force: Q&A

  • mystry4
  • · Replies 3 ·
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3

Can Initial Position Alone Determine an Oscillator's Amplitude and Phase?

  • insertnamehere
  • · Replies 2 ·
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2

Physics Help Books: Recommendations & Formulas

  • clair_a_net
  • · Replies 1 ·
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1

Can an infinite subset be dense in a finite complement topology?

  • Oxymoron
  • · Replies 11 ·
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11

Differential Operators: Understanding the Result of Dx-xD

  • tirnanog84
  • · Replies 3 ·
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3

Where will a ball thrown into a hole dug from North Pole to South Pole end up?

  • Neha Sanghvi
  • · Replies 4 ·
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4

EM: Net Force on Test Charge Q in 12-Sided Polygon

  • matpo39
  • · Replies 1 ·
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1

Are there additional ways to enhance problem solving skills?

  • siddharth
  • · Replies 1 ·
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1
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1

Solve Perplexing Physics Problems with These Helpful Tips and Examples"

  • Pseudo Statistic
  • · Replies 1 ·
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1

Is the Mapping f:\mathbb{Q}_p \rightarrow \mathbb{R} Continuous?

  • Oxymoron
  • · Replies 30 ·
2
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30

Are Changing Electric Fields Non-Conservative?

  • shahidkhilji
  • · Replies 1 ·
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1

Proving hyperbolic trig formula

  • tuly
  • · Replies 4 ·
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4

Trouble remembering integration

  • LocationX
  • · Replies 4 ·
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4

Calculating Mean Square Radius with QM Integration: Step-by-Step Guide

  • sniffer
  • · Replies 2 ·
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2

My lack of problem solving skills - Mechanics

  • infraray
  • · Replies 8 ·
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8

When is work positive or negative when sawing a tree with a handsaw?

  • Raikou Tatsu
  • · Replies 5 ·
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5

Which Object Reaches the Bottom of an Incline Fastest?

  • mpm
  • · Replies 1 ·
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1

Tricky Trig Function Find the eqn Help

  • aisha
  • · Replies 4 ·
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4
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5

How Do You Solve Systems of Equations Using an Inverse Matrix?

  • TonyC
  • · Replies 8 ·
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8

How Many Liters of Paint Needed for Pyramid?

  • smartguy_ppl
  • · Replies 7 ·
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7

Conservation of energy and vertical circular motion

  • tubworld
  • · Replies 8 ·
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8

Solving Wave Problems: 2 Questions on Amplitude & Power

  • Wen
  • · Replies 5 ·
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5

Complex numbers and Argan Diagram

  • coffeebeans
  • · Replies 2 ·
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2

Distributing 6 Distinct Molecules Across 3 Energy Levels

  • patcho
  • · Replies 2 ·
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2

What is the area bounded by Y=X^1/2, the x-axis, and 2X+3Y=6?

  • tuly
  • · Replies 3 ·
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3

Epsilon-Delta Proofs: A Comprehensive Guide for Calc1

  • sony
  • · Replies 24 ·
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24

How Much Air to Remove to Maintain Pressure When Temperature Increases?

  • physicsss
  • · Replies 4 ·
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4

Can you multiply this matrix with a singular value?

  • TonyC
  • · Replies 6 ·
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6

Solve Integration Problem: Exam in 2 Hrs - Help!

  • UNIQNESS
  • · Replies 10 ·
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10

Troubleshooting Calculations for Equations y=vx and dy/dx=v+x*dv/dx

  • asdf1
  • · Replies 2 ·
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2
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1

Perhaps delta function or inverse Laplace transform?

  • EvLer
  • · Replies 4 ·
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4

Solve Matrice Problem: X = 4A - 4B

  • TonyC
  • · Replies 4 ·
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4

Why Is There a Maximum Electric Field Point Outside a Charged Ring?

  • Brad_1234
  • · Replies 2 ·
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2

Mechanism of a cylinder rolling down a ramp?

  • kendro
  • · Replies 2 ·
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2

The Archimedes Principle and Volume Change in Water

  • parwana
  • · Replies 2 ·
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2
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1

Frequency Formulas: Same or Different?

  • asdf1
  • · Replies 2 ·
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2

How Can I Accurately Measure Gravity Using a Pendulum in My Lab?

  • ccflyer
  • · Replies 10 ·
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10

Could someone check me on this?

  • physicsCU
  • · Replies 5 ·
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5

Calculating Rocket Acceleration for a 200 m/s Speed at 1.0km Height

  • ludi_srbin
  • · Replies 4 ·
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4
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2

Accurately Reading a Vernier Scale

  • Kazza_765
  • · Replies 5 ·
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5

Calculating Oxygen Cylinder Usage at 2.4 L/min

  • physicsss
  • · Replies 4 ·
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4

Non-Hausdorff Space Example: Learn Here

  • Oxymoron
  • · Replies 9 ·
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9