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

Velocity and Displacement Question

  • richnfg
  • · Replies 3 ·
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3

Calculating Coriolis Force for Projectile on Rotating Earth

  • quasar987
  • · Replies 16 ·
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16

How Does Continuity Ensure Differentiability in Integral Functions?

  • AKG
  • · Replies 1 ·
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1

Average Oxygen Molecule Travel Distance in a Tank

  • Kawrae
  • · Replies 2 ·
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2

Solving Coulombs Law Problem: q1, q2, q3, d

  • radtad
  • · Replies 8 ·
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8

Unlock the Mystery of Kinetic Energy with Expert Guidance - Major Help Needed

  • Femme06Fatale
  • · Replies 10 ·
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10

How to Hit a Target 795 m Away and Clear a 60 m Hill?

  • nineeyes
  • · Replies 5 ·
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5
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2

What is the Magnitude of Acceleration?

  • blk5oh
  • · Replies 2 ·
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2

Electric field problem - Plastic Slab

  • meteorologist1
  • · Replies 2 ·
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2

What are the values of a and b after the code executes?

  • courtrigrad
  • · Replies 14 ·
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14

Simple problem that i dont know how to do

  • neiliam
  • · Replies 2 ·
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2

Agravic Point Calculation Between Earth and Mars

  • kdinser
  • · Replies 2 ·
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2

Speed of Object with 3x Rest Mass

  • DaVinci
  • · Replies 25 ·
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25

Find the zeros of the function:

  • JBauer
  • · Replies 10 ·
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10

Max Height of Rocket in Free Fall: Solving for a, t1, and g

  • reesejm
  • · Replies 3 ·
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3

Logical Operator Replacement: b1 XOR b2 and deMorgan's Laws

  • courtrigrad
  • · Replies 4 ·
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4

Something in special relativity that is supposed to be easy

  • Ahmes
  • · Replies 6 ·
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6

Some help with oscillations and damping

  • stunner5000pt
  • · Replies 5 ·
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5

Calculating Max/Min Energies of Particle P1 in Decay of A

  • crit
  • · Replies 3 ·
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3

Difference between Classical Momentum and Relativistic Momentum

  • DaVinci
  • · Replies 2 ·
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2

Radioactivity - background rate

  • thegame
  • · Replies 4 ·
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4

Rotational force compared to spring constant?

  • pirland
  • · Replies 8 ·
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8

Isentropic Compression of Bose Gas with Subcritical Temperature T < T_c

  • tiger_striped_cat
  • · Replies 2 ·
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2

Calculate Falling Pot Velocity: Lw, t, g

  • reesejm
  • · Replies 2 ·
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2

What Is the Vertical Displacement Between Two Jumping Basketball Players?

  • reesejm
  • · Replies 3 ·
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3
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4

Three points in the plane calc problem

  • ProBasket
  • · Replies 6 ·
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6

Finding Equations of Parallel Planes and Containing Lines | Vectors and Planes

  • tandoorichicken
  • · Replies 3 ·
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3

Solving Electron Motion Problem: Electric Field Direction & Strength

  • DLxX
  • · Replies 5 ·
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5
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16

Problems from today calculus test

  • twoflower
  • · Replies 5 ·
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5

Motion, Work, Energy, and Power

  • sp00ky
  • · Replies 2 ·
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2

Sine and cosine law in oblique triangles

  • aisha
  • · Replies 4 ·
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4

Binary Stars: Moment of Inertia & Angular Momentum

  • lucifer
  • · Replies 2 ·
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2

Charges of Ions in Periodic Table

  • courtrigrad
  • · Replies 8 ·
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8
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3

Roof Pressure Problem: Determining Net Force from Atmospheric Pressure Change

  • NotaPhysicsMan
  • · Replies 15 ·
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15

How Do You Solve the Equation log(x) = 2cos(x) in the Interval 0 < x < 2π?

  • ms. confused
  • · Replies 3 ·
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3

Wave Diffraction: Albert's Questions

  • albert611
  • · Replies 2 ·
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2

What is the velocity of the can when it flies out of the cart?

  • Tabe
  • · Replies 7 ·
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7

Decay of Roe Meson: Conservation Laws Explained

  • K8181
  • · Replies 6 ·
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6

Help with problem about beads and a hoop

  • newcool
  • · Replies 3 ·
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3

Calculate Average Velocity for 1.5hr Bike Ride

  • jai6638
  • · Replies 8 ·
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8
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5

Force of acceleration physics homework

  • jai6638
  • · Replies 12 ·
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12

Electric potential/potential energy

  • triplezero24
  • · Replies 6 ·
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6

Finding Force from Mass & Velocity: N = kg × m/s²

  • ncrowley1818
  • · Replies 3 ·
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3

Power: DEL or ABS? Solve Your Problem Here

  • DaVinci
  • · Replies 8 ·
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8
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2

Differentiation Question Concerning natural log

  • courtrigrad
  • · Replies 3 ·
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3

Coordinate Geometry: Point Division in Ratio 2 : 5

  • roger
  • · Replies 12 ·
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12

The irrationality of the square root of 2

  • lokisapocalypse
  • · Replies 10 ·
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10

Calculating Bridge Pillar Forces: Solving a Seesaw Problem

  • jjjsarnis
  • · Replies 4 ·
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4

How can a Helmholtz arrangement be used to null out magnetic fluctuations?

  • Brainy_Mike
  • · Replies 2 ·
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2

Is Work Positive or Negative in Thermodynamics?

  • Haftred
  • · Replies 4 ·
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4

Solve System of Equations via Gaussian Elimination

  • EvLer
  • · Replies 3 ·
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3

Change of Phase and Latent Heat

  • Soaring Crane
  • · Replies 3 ·
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3

How Far Must a Helicopter Fly to Decrease Sound Intensity by a Factor of 4?

  • bbfcfm2000
  • · Replies 5 ·
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5

Non-Inertial Frame: Explain the Tilting Balloon

  • matpo39
  • · Replies 2 ·
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2
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11

Question: localised mode, localisation effect of linear atomic chain

  • jaykay
  • · Replies 2 ·
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2

Counting Feynman Diagrams with n Vertices

  • vincentchan
  • · Replies 2 ·
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2

What percentage of bags are rejected due to weight?

  • Matt.D
  • · Replies 4 ·
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4

Electric potential of a negatively charged sphere

  • bulbanos
  • · Replies 5 ·
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5

If the speed of sound is 340m/s, how high is the cliff?

  • sundrops
  • · Replies 26 ·
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26

Solving a Physics Problem: Finding Acceleration Without Time | Expert Tips"

  • sundrops
  • · Replies 16 ·
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16

Ap Physics Heeeeeeeeeeeeeelllllllllllllllppppppppppp Please

  • urbettybo0p
  • · Replies 5 ·
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5

An electrical and a quantum question

  • joej
  • · Replies 6 ·
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6

Kinematics - Bullet moving on a table hitting a block

  • urbettybo0p
  • · Replies 10 ·
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10

Simplifying Algebraic Expressions: Step by Step Guide

  • courtrigrad
  • · Replies 10 ·
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10

Question about vectors with electric field equations

  • LakeMountD
  • · Replies 2 ·
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2

Functions, intersections, and unions

  • lokisapocalypse
  • · Replies 3 ·
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3

What Is the Initial Separation Between Two Charged Particles?

  • NeoKrypt
  • · Replies 3 ·
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3

Can You Help with the Egg Drop Challenge?

  • ynotdance87
  • · Replies 6 ·
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6

Identifying Points of Discontinuity in a Continuous Function

  • courtrigrad
  • · Replies 8 ·
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8

What is the rebound speed of a bumper car after colliding with a wall?

  • futb0l
  • · Replies 7 ·
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7

Unit Vector z in Spherical Terms: (1, 0, 0)

  • formulajoe
  • · Replies 4 ·
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4
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3

Magnitude of Force to move blocks

  • ncrowley1818
  • · Replies 7 ·
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7

Calculating Charge Distribution in a Parallel Plate Capacitor

  • figs
  • · Replies 2 ·
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2
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2

Having problems with this limit

  • twoflower
  • · Replies 22 ·
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22

Solving Method of Images Problem for Infinite Conducting Cylinder

  • natski
  • · Replies 2 ·
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2

Lights dim when refrigerator is on

  • gillgill
  • · Replies 2 ·
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2

General problems with coriolis force

  • Dracovich
  • · Replies 3 ·
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3

What is the secant of 5pi/4 and how was it determined to be -sqrt(2)?

  • aisha
  • · Replies 2 ·
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2

Verification of Implicit Differentiation

  • courtrigrad
  • · Replies 5 ·
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5

Accuracy of a gravitational force approximation

  • DivGradCurl
  • · Replies 5 ·
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5

Converging Sums: Strategies for Solving Challenging Series

  • twoflower
  • · Replies 7 ·
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7

Spherical conductor with cavities

  • meteorologist1
  • · Replies 3 ·
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3

Electric Charge and Help Putting an Answer Into CAPA Assignment

  • GingerBread27
  • · Replies 2 ·
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2

Mastering Inequalities: Tips and Tricks for Solving Complex Equations

  • Sombra
  • · Replies 9 ·
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9

Solving for X: 0.012M/(d-x)^2=M/x^2

  • thomasrules
  • · Replies 12 ·
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12

Thermodynamics - Thermal Expansion

  • Kelvin
  • · Replies 2 ·
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2
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3

How Can We Determine Earth's Mass Using a Pendulum?

  • Bissli
  • · Replies 5 ·
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5

What is the Centripetal Acceleration of an Earth Satellite in a Circular Orbit?

  • thomasrules
  • · Replies 6 ·
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6

Chemistry Problem - Reaction Rates

  • Kawrae
  • · Replies 3 ·
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3

Electric potential between two parallel plates

  • hype_chicky
  • · Replies 2 ·
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2