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

Simple Gas Pressure Question - Combined Chambers Final Pressure

  • john13
  • · Replies 13 ·
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13

Calculating Relative Velocity and Length Contraction in Special Relativity

  • jlmccart03
  • · Replies 8 ·
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8
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23

Pen P of the flatbed plotter traces the curve - Path Coordinates

  • Alexanddros81
  • · Replies 3 ·
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3

Should there be a constant in the RHS of (5.8)?

  • Pushoam
  • · Replies 4 ·
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4

Thermodynamics Ice Melting Question

  • ConnorM
  • · Replies 4 ·
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4

Reproducing dirac-delta function in electric dipole field

  • ELB27
  • · Replies 2 ·
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2

What is the width of a spectral line?

  • Pushoam
  • · Replies 1 ·
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1

Calculation of equivalent resistance

  • Abhijit
  • · Replies 4 ·
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4

Force between two lines of charge?

  • Eclair_de_XII
  • · Replies 9 ·
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9

Hydrualic pressure moving plug in pipe

  • BobJones1234
  • · Replies 10 ·
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10

The motion of a particle in the central force

  • GeoStudy
  • · Replies 1 ·
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1

Calculate equivalent resistance

  • Vibhor
  • · Replies 5 ·
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5

Calculating Reaction Forces on Cylinders Resting on an L Profile

  • Epoch
  • · Replies 22 ·
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22

How do you deduce acceleration?

  • Joo Sung
  • · Replies 5 ·
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5

Calculate the force on the tight side of a belt drive

  • Girn261
  • · Replies 11 ·
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11

Friction Force with Incline and Pulley

  • Alex126
  • · Replies 9 ·
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9

Shooting a bullet at an angle from a given height

  • ChessEnthusiast
  • · Replies 1 ·
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1

Archived Coaxial Cable With Potential Difference between conductors

  • Garfungle
  • · Replies 1 ·
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1

Finding avg. energy of a canonical system

  • Pushoam
  • · Replies 2 ·
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2

Particle motion - Path Coordinates

  • Alexanddros81
  • · Replies 6 ·
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6

Maximum deflection of accelerating trolley pendulum: work energy vs equilibrium

  • Sourav Suresh
  • · Replies 7 ·
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7

Solving for I2 in a Circuit: What Am I Doing Wrong?

  • radji
  • · Replies 4 ·
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4

Net Vertical Force on a Slipping Chain on a Table

  • Jahnavi
  • · Replies 12 ·
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12

How do i account for the height for projectile motion

  • rashad764
  • · Replies 7 ·
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7

How Long Does a Sprinter Accelerate Before Reaching Top Speed?

  • Cliborpimus
  • · Replies 1 ·
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1

Calculating Error Bars for Height and Time in Ball Drop Experiment

  • aron silvester
  • · Replies 3 ·
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3

Object moving on a spiral figure

  • Smouk
  • · Replies 1 ·
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1

Calculate factor of safely on a steel bar

  • Girn261
  • · Replies 1 ·
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1

Induced voltage in triangular loop near oscillating current wire

  • horsewnoname
  • · Replies 1 ·
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1

Magnitude of the induced magnetic field in a circuit

  • L_landau
  • · Replies 5 ·
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5

How do you graph vectors on a graph paper using their magnitude and direction?

  • stolencookie
  • · Replies 5 ·
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5

Electric field strength -- calculating distance from charge

  • Iron_Man_123
  • · Replies 2 ·
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2

A thin disk rolls without slipping

  • Tomtam
  • · Replies 4 ·
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4

How an Electric Field is affected by an Insulator

  • Iftekhar Uddin
  • · Replies 2 ·
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2

Work done pumping air into a bottle

  • Funky_Sp
  • · Replies 17 ·
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17

Electric Field of Line Charge with Displaced Origin

  • Chansu
  • · Replies 1 ·
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1

Magnitude of electric field at point A using components

  • Rijad Hadzic
  • · Replies 4 ·
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4

Multifluid manometer (pressure problem)

  • yecko
  • · Replies 1 ·
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1

How do I find Vector C in a non-right triangle using the Law of Cosines?

  • stolencookie
  • · Replies 2 ·
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2

Three momentum and bowling pin collision problems

  • Matt Poirier
  • · Replies 11 ·
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11

Determining Relationship Between Two Variables

  • Stormblessed
  • · Replies 9 ·
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9

Understanding Simple Harmonic Motion: Equations and Solution Attempt

  • Cici2017
  • · Replies 3 ·
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3

Focal length of combined lenses and mirror system

  • Tanishq Nandan
  • · Replies 28 ·
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28

Rounding to the correct decimal place

  • aron silvester
  • · Replies 2 ·
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2

Why is kinetic energy in SHM proportional to displacement squared?

  • Cici2017
  • · Replies 8 ·
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8
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1

Dice throw, avg.,standard deviation

  • Pushoam
  • · Replies 1 ·
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1

Avg. of sum of independent variables

  • Pushoam
  • · Replies 2 ·
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2

Coefficient of friction between stick and circle

  • Demetrius
  • · Replies 16 ·
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16

How Fast Are Water Balloons Traveling When They Pass a Window?

  • Wanting to Learn
  • · Replies 8 ·
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8

Volume Charge Density in Spherical and Cylindrical Coordinat

  • RJLiberator
  • · Replies 6 ·
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6

Electric Field due to a Semicircle of charge

  • physics24sam
  • · Replies 18 ·
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18

Charge density and charge on a conductor

  • doggydan42
  • · Replies 15 ·
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15

Can E=V/d be used to calculate the electric field of a dipole?

  • LostThoughts
  • · Replies 1 ·
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1

Calculating Vector Components with given Magnitude and Direction

  • rashad764
  • · Replies 11 ·
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11

Determining terminal voltage, field current,etc.

  • Vladi
  • · Replies 4 ·
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4

Acceleration of Planet/Sun System

  • aurora7790
  • · Replies 3 ·
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3

Why is the wave point moving in direction B instead of D?

  • Cici2017
  • · Replies 5 ·
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5

Millikan's Oil-Drop Experiment: Is my reasoning correct?

  • Mason Smith
  • · Replies 1 ·
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1

Introduction to thermodynamics question

  • yecko
  • · Replies 1 ·
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1

Intro Thermodynamics equilibrium problem

  • tri5
  • · Replies 4 ·
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4
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23

Maximum rate at which energy is stored in a LR circuit

  • Serotonin
  • · Replies 9 ·
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9

Complex Solutions to Oscillations

  • WWCY
  • · Replies 3 ·
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3

How do I calculate kinetic energy in oscillation problems?

  • Cici2017
  • · Replies 12 ·
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12

Problem concerning about thermal physics

  • Richardbryant
  • · Replies 3 ·
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3

How many significant figures in the average area?

  • Anshul23
  • · Replies 4 ·
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4

Calculating Time for Car to Catch Up to Truck

  • Wanting to Learn
  • · Replies 2 ·
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2

How much water evaporates per minute from a copper pot on a stove?

  • Pao44445
  • · Replies 4 ·
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4

A box over an inclined plane with a mass, no friction

  • SqueeSpleen
  • · Replies 1 ·
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1

Ball thrown vertically, only the time is given

  • Wanting to Learn
  • · Replies 7 ·
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7

Methods in Calculating with Vector Components

  • wjdgone
  • · Replies 5 ·
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5

Magnetic Flux Questions from Japanese University Exam Papers

  • BeginnerPhysicsMan
  • · Replies 7 ·
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7

Photoelectric Effect, Light Intensity and Stopping Voltage

  • Zibi04
  • · Replies 1 ·
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1

How Long Does It Take a Car to Overtake a Truck?

  • HRubss
  • · Replies 25 ·
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25

No. of choosing 4 atoms out of 10 atoms

  • Pushoam
  • · Replies 8 ·
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8

Calculating speed in circular motion

  • Anon2459
  • · Replies 1 ·
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1

Attempt to jump across a river on a motorcycle

  • Chan M
  • · Replies 2 ·
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2

Calculating Tension in Circular Motion

  • Anon2459
  • · Replies 1 ·
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1

Calculate speed of block at the end of the ramp

  • Anon2459
  • · Replies 10 ·
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10
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2

Pressure at the center of an accelerating sphere

  • Nathan B
  • · Replies 3 ·
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3

Archived Fluid pressure in a tank - manometer

  • Happy4ever
  • · Replies 3 ·
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3

Electric Field of a cube with a rod

  • doggydan42
  • · Replies 5 ·
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5

Radioactive decay of Uranium 238

  • Portuga
  • · Replies 7 ·
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7
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2

Galilean Relativity (Invariance) Problem

  • jlmccart03
  • · Replies 7 ·
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7

Simple Electric field question -- Charged sphere

  • Rijad Hadzic
  • · Replies 9 ·
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9

Atwood machine with three masses m, 2m, and 3m

  • FScheuer
  • · Replies 10 ·
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10

Balancing Lever Problem: How Many Rings on Each Side?

  • Marija
  • · Replies 1 ·
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1

How Long Does It Take for a Launched Ball to Hit the Wall?

  • Huski
  • · Replies 4 ·
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4

Significant Digits for Uncertainty Values

  • AllisonW4
  • · Replies 4 ·
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4

Finding the magnetic flux from a 3 Dimensional Shape

  • Vladi
  • · Replies 10 ·
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10

What Forces Act on a Pulley System with Two Masses?

  • Jahnavi
  • · Replies 65 ·
3
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65

Significant figures in a results table

  • Alexander350
  • · Replies 3 ·
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3

Finding Proportional Relationships using Log-Log Graphs

  • Stormblessed
  • · Replies 3 ·
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3
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8

Calculate the angular acceleration of a hand - no time given

  • BosonF
  • · Replies 10 ·
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10

Proton approaching infinitely long charged line

  • Eclair_de_XII
  • · Replies 4 ·
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4