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

Can Sound Sources on a Straight Road Cause Interference Effects?

  • rocketman15
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1

Solve Kinematics Problem: Car Overtaking Truck

  • fxsnowy
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3

What is the period of oscillation?

  • duhduhduh
  • · Replies 7 ·
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7
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6

Finding velocity, hinged rhombus

  • Saitama
  • · Replies 15 ·
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15

Forces-vector diagram triangles

  • vadevalor
  • · Replies 4 ·
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4

Work Energy Method for Linear Motion

  • freshbox
  • · Replies 5 ·
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5

Solving the Acceleration of a Bob Attached to a Train

  • jinhuit95
  • · Replies 19 ·
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19

What Are the Components of Vector Q?

  • sankalpmittal
  • · Replies 3 ·
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3

Springs and masses connected together in a line

  • iiJDSii
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1

Capacitance - How handle multiple caps in series and parallel?

  • needhlp
  • · Replies 13 ·
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13
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3

Calculating atomic velocities from forces

  • Hypatio
  • · Replies 1 ·
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1

Determine the possible effects on the water level

  • duhduhduh
  • · Replies 9 ·
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9

Constant pressure in a heated syringe

  • sgstudent
  • · Replies 20 ·
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20

Cambridge Physics Problems: Electrostatics

  • johnconnor
  • · Replies 5 ·
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5

How to find the missing displacement (vectors)?

  • marbille9
  • · Replies 3 ·
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3

Year 12: Cambridge Physics Problem (Distance of O atom in atmosphere)

  • johnconnor
  • · Replies 6 ·
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6

Vectors and Forces: Solving for Unknown Components (15N)

  • lionel messi.
  • · Replies 3 ·
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3

Simple pendulum problem - having trouble with the math

  • Confused20
  • · Replies 7 ·
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7

Mass and spring in circular motion.

  • AbigailM
  • · Replies 5 ·
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5

Two Relativity Problems on relative length

  • Kevin Hsu
  • · Replies 1 ·
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1

How to calculate the fourth vertex of a parallelogram

  • mercuryman
  • · Replies 2 ·
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2

Close tube with string oscillation

  • IIK*JII
  • · Replies 7 ·
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7

Find velocity of hanging block in a pulley system

  • Twiggy92
  • · Replies 1 ·
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1

Science Fair Project: Ice Cube Properties & Flicking Distance

  • chelsea
  • · Replies 11 ·
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11

Calculate Load of Mild Steel Column

  • John78
  • · Replies 1 ·
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1

Understanding Heat Transfer in a Freezing System

  • sgstudent
  • · Replies 7 ·
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7

Understanding schrodinger equation

  • LittleManiac
  • · Replies 2 ·
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2

Defining the current vector in the biot savart law?

  • arronslacey
  • · Replies 3 ·
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3

Acceleration as a vector. Is it conserved?

  • Darth Frodo
  • · Replies 7 ·
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7

Problem on frame of reference in rotation

  • shreyashebbar
  • · Replies 4 ·
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4

Oscillatory motion - Car driving on bumpy road

  • Quesadilla
  • · Replies 4 ·
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4

Car Acceleration & Friction: Force, Coefficient & Calculation

  • intdx
  • · Replies 1 ·
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1

How Does Closing a Switch Affect Capacitor Charge Over Time?

  • thunderhadron
  • · Replies 53 ·
2
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53

Taking moments about which axis?

  • eurekameh
  • · Replies 10 ·
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10

Error propagation for value not directly measurable

  • sunrah
  • · Replies 2 ·
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2

Thermal Expansion: Solving for Temperature Change

  • izelkay
  • · Replies 2 ·
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2

Force Acting on Rope: Homework Solutions

  • intdx
  • · Replies 5 ·
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5

Power Dissipated for 2 different circuits

  • lowcard2
  • · Replies 4 ·
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4

Why Is My Calculation of Carnot Engine Efficiency Incorrect?

  • obxer22
  • · Replies 1 ·
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1

Free Fall With Air Resistance Problem

  • hardygirl989
  • · Replies 3 ·
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3

Calculate the Dead Load on a Simply Supported Beam

  • John78
  • · Replies 1 ·
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1

Electromagnetic relay(check my solution please )

  • supernova1203
  • · Replies 2 ·
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2

3 Pulleys System, find the acceleration of both mass.

  • Bonten
  • · Replies 6 ·
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6

Matching Electric Field Entries

  • Saitama
  • · Replies 31 ·
2
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31

Find current when linear mass density and current is given.

  • arunashish
  • · Replies 1 ·
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1

Why Does Oil on Water Create Rainbow Colors?

  • sckeen1988
  • · Replies 1 ·
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1

Graphical method to find magnitude and direction

  • xupe33jrm
  • · Replies 30 ·
2
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30
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1

Year 12: Cambridge Physics Problem (Oscillatory Motion)

  • johnconnor
  • · Replies 8 ·
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8

Why Does a Disk Begin to Rotate on a Horizontal Surface with Friction?

  • VictoriaWoo
  • · Replies 4 ·
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4

A problem about angular momentum

  • VictoriaWoo
  • · Replies 3 ·
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3

How Does Adding Resistors Affect Bulb Brightness in a Series Circuit?

  • sgstudent
  • · Replies 7 ·
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7

How would I find the direction in which these waves are travelling?

  • mrh124
  • · Replies 8 ·
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8

The left end of a long glass rod 6.00cm in diameter has a convex

  • sckeen1988
  • · Replies 3 ·
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3

Calculating coefficient of friction given m, applied force, and a

  • intdx
  • · Replies 3 ·
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3

Speed of progressive waves numerical

  • lionel messi.
  • · Replies 3 ·
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3
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2

Find the angular frequency for small oscilations of the following SHM

  • Hernaner28
  • · Replies 20 ·
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20

Relating Synodic & Sidereal Periods of Inferior & Superior Planets

  • s3a
  • · Replies 6 ·
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6

Position and Displacement question.

  • ybhathena
  • · Replies 3 ·
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3

How Do You Calculate the Specific Heat Capacity of a Cupronickel Alloy?

  • Eleeist
  • · Replies 1 ·
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1

Calculating magnetic field of an infinite strip.

  • Berrius
  • · Replies 1 ·
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1

Solve Angular Acceleration for Blade Radius | Homework Help

  • mcordi
  • · Replies 1 ·
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1

Mistake on official answer (conservation of linear momentum)

  • Hernaner28
  • · Replies 20 ·
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20

Compression force in current loop in magnetic field

  • amal
  • · Replies 3 ·
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3

Left recursive context free grammars

  • zulkifli
  • · Replies 1 ·
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1

Kirchhoff's Voltage Law - Closed Loop?

  • JJBladester
  • · Replies 5 ·
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5

Year 12: Cambridge Physics Problem (Movement of Bromine gas in air)

  • johnconnor
  • · Replies 1 ·
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1

Calculating the Power Needed to Bike Up a Hill

  • Jimbo57
  • · Replies 3 ·
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3

Electric field between two uniformly, linear charged rods

  • tetris4life
  • · Replies 1 ·
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1

A solid steel shaft is subjected to a torque of 45 KN/m.

  • manal950
  • · Replies 11 ·
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11

How Does Fluid Mechanics Explain the Sinking Treasure Box Scenario?

  • litheira
  • · Replies 1 ·
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1

Reasons why the Franck Hertz experiment might fail

  • sunrah
  • · Replies 1 ·
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1

Find the aceleration of the disk when falling (rotation)

  • Hernaner28
  • · Replies 3 ·
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3

Conservation of angular momentum and energy

  • Hernaner28
  • · Replies 12 ·
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12

Equilibrium: What is the Minimum Spring Constant for a Secure Ladder Angle?

  • Hernaner28
  • · Replies 7 ·
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7

Speed of electron in electric field question

  • lowcard2
  • · Replies 5 ·
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5

Will the Sphere Reach Point C on Its Path?

  • Questions999
  • · Replies 9 ·
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9

Theoretical doubt with rolling without slipping

  • Hernaner28
  • · Replies 4 ·
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4

Physics of punching a heavy bag

  • pkumor
  • · Replies 7 ·
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7

Need help in determining normal force the question is from ss krotov

  • ishanp
  • · Replies 1 ·
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1

Find the conditions for the static coef. for non-slip conditions

  • Hernaner28
  • · Replies 24 ·
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24

Integral Calculus Homework: Mean & RMS Voltage

  • maali5
  • · Replies 3 ·
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3

Four metal plates close to each other

  • issacnewton
  • · Replies 6 ·
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6
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5

How Do You Calculate Forces in a Supported Bar with Uneven Loads?

  • Questions999
  • · Replies 10 ·
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10

Amplitude of a magnetic field of an electromagnetic wave

  • swankymotor16
  • · Replies 2 ·
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2

How Do You Calculate Angle 2 in a Physics Vector Problem?

  • hvidales
  • · Replies 3 ·
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3

Is a 5° Ramp Slope Too Steep for Pushing a 30kg Cart?

  • TrpnBils
  • · Replies 2 ·
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2

Calculating Period of a Pendulum: 1.18 s

  • Vandetah
  • · Replies 1 ·
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1

Finding charge and mass on hanging strings

  • nilesthebrave
  • · Replies 20 ·
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20

Solving Magnetic Field Inside Toroidal Solenoid of 0.50m Radius

  • swankymotor16
  • · Replies 6 ·
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6

What Is the Magnetic Force on a 1-cm Segment of a Current-Carrying Wire?

  • swankymotor16
  • · Replies 1 ·
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1

Total mechanical energy of oscillating system?

  • Questions999
  • · Replies 4 ·
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4

How does tension and weight affect induction?

  • Questions999
  • · Replies 7 ·
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7

Calculating Magnetic Field Between Coaxial Circular Coils

  • Curious314
  • · Replies 2 ·
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2
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5

Stopping vertically oscillating mass by applying momentum?

  • amiras
  • · Replies 3 ·
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3