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

Question for my Physics Project.

  • Kuzey Cem
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5

How Is Kinetic Energy Calculated from Force and Displacement?

  • cereal turtle
  • · Replies 3 ·
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3

Create a Simple Circuit with This Easy-to-Follow Diagram

  • DunceKirchhoff
  • · Replies 18 ·
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18

Solving for Two Vector Questions

  • STEMucator
  • · Replies 4 ·
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4

Is My Foot a First or Second Class Lever?

  • N Eriksen
  • · Replies 6 ·
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6

Continuum mechanics and continuity eq

  • Niles
  • · Replies 1 ·
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1

Relating Arc Length and Standing Wave Patterns

  • ThomasMagnus
  • · Replies 2 ·
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2

Falling object Kinematics motion

  • negation
  • · Replies 9 ·
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9

Single slit double slit and diffraction grating

  • moe3238
  • · Replies 3 ·
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3

Kinematics Motion: Stopping a Puck Moving at 32m/s

  • negation
  • · Replies 11 ·
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11

Magnitude of electric and magnetic fields question. Help,

  • astru025
  • · Replies 4 ·
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4

Collision of ball with inclined plane

  • suryakalpo
  • · Replies 11 ·
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11

Need quick help with Univ. Physics I problem

  • Sanonuke22
  • · Replies 8 ·
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8

Will You Collide with the Car Ahead?

  • negation
  • · Replies 22 ·
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22

Double slit experiment light distance

  • Violagirl
  • · Replies 4 ·
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4

Determining index of refraction and wavelength of a visible spectrum?

  • Violagirl
  • · Replies 4 ·
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4

Calculating Net Electric Field Strength at Point A

  • Coco12
  • · Replies 3 ·
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3

Current passing through a loop

  • AdsBerger
  • · Replies 11 ·
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11

Finding work done when you know electric potential and the charge.

  • astru025
  • · Replies 4 ·
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4

Incompressible fluid in horizontal test tube

  • hvthvt
  • · Replies 10 ·
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10

What Are Effective Applications of Reduced Mass in Physics?

  • shivam01anand
  • · Replies 1 ·
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1

Velocity as a function of position x

  • KiNGGeexD
  • · Replies 55 ·
2
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55

"Sound Intensity Decreases with Distance

  • Aoiumi
  • · Replies 5 ·
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5

Finding direction using magnetic fields

  • astru025
  • · Replies 3 ·
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3

Where will two objects of different masses meet in space?

  • Dumbledore211
  • · Replies 5 ·
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5

How Does Stopping Water Flow Impact Balance Readings?

  • PhyIsOhSoHard
  • · Replies 13 ·
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13

Acceleration of Ball on Frictionless Slope

  • KiNGGeexD
  • · Replies 13 ·
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13

How Does Distance and Quantity Affect Sound Intensity?

  • Aoiumi
  • · Replies 1 ·
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1

How Do You Calculate Thermal Efficiency in a Diatomic Gas Heat Engine Cycle?

  • Eagle's Wings
  • · Replies 2 ·
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2

What is the Equation of State for an Ideal Gas?

  • Niles
  • · Replies 2 ·
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2

Blue light and resonant frequencies

  • AFSteph
  • · Replies 2 ·
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2

Two Protons Move From Location A and B to C

  • burnst14
  • · Replies 23 ·
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23

Impulse question: throwing a rock

  • Morange
  • · Replies 4 ·
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4

Kinetic energy of a sled question

  • hey123a
  • · Replies 4 ·
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4

Find the initial speed of jump using range and max height

  • cosmo1993
  • · Replies 1 ·
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1

What Is the Angular Acceleration and Force Exerted on a Falling Fence?

  • momiki
  • · Replies 9 ·
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9

Liquid oxygen expansion in vaccum

  • anubodh
  • · Replies 2 ·
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2

Why, IF electrons really orbited atoms, would they lose energy?

  • bananabandana
  • · Replies 3 ·
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3

Relativity-Finding the time of an event

  • tmlfan_17
  • · Replies 7 ·
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7
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8

Calculating Force on Remaining Support After One Brick Is Kicked Out

  • Jamadar
  • · Replies 17 ·
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17

Projectile Motion: Methodology Check

  • KiNGGeexD
  • · Replies 30 ·
2
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30

What is the spring constant in terms of mass and unstretched length?

  • cosmo1993
  • · Replies 2 ·
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2

What Is the Frequency of the Second Tuning Fork?

  • contrivance
  • · Replies 1 ·
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1

How Much Mass is Needed to Prevent the Wheel from Rotating?

  • hey123a
  • · Replies 1 ·
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1

A uniform steel bar swings from a pivot

  • chicagobears34
  • · Replies 7 ·
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7

What is the Total Momentum After Two People Push Each Other on Ice Skates?

  • jimmyboykun
  • · Replies 6 ·
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6

Forces acting on a sky-diver during skydiving

  • AlfieD
  • · Replies 5 ·
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5

Force to lift a chain: Conservative or not?

  • AJKing
  • · Replies 3 ·
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3

[ElectroStatics]Question Regarding Charge within a Metal Sphere

  • MysteryMan
  • · Replies 3 ·
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3

Block on inclinded plane, and falls

  • thomsm10
  • · Replies 1 ·
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1

Calculating Most Probable Point of Rupture on a Falling Pole

  • Jamadar
  • · Replies 4 ·
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4

Torque - Block's cord wrapped around a flywheel

  • MathewsMD
  • · Replies 4 ·
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4

Pendulum Problem: Solve 100 Oscillations in 50cm Rod

  • Clearik
  • · Replies 3 ·
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3

Rotational Kinematics of a turntable

  • ziggo
  • · Replies 6 ·
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6

Determine Mass of Penny: Millikan Experiment

  • braeden
  • · Replies 1 ·
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1

Electric force of attraction between forces.

  • astru025
  • · Replies 2 ·
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2

Deriving Projectile Pendulum Formulas for Theoretical Speeds | Homework Help

  • mrknowknow
  • · Replies 16 ·
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16

Solving for Force Given Rotational Inertia and Mass

  • MathewsMD
  • · Replies 7 ·
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7

What is the net force acting on the log after 10 seconds?

  • paolostinz
  • · Replies 13 ·
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13

What is the potential and kinetic energy of a falling object?

  • SmallPub
  • · Replies 10 ·
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10

Centripetal Acceleration of a Satellite Orbiting Saturn

  • Coco12
  • · Replies 23 ·
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23

Distance Traveled by Harmonic Oscillator in 1 Period

  • Aoiumi
  • · Replies 2 ·
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2

Electric circuit resistor combinations

  • yugeci
  • · Replies 11 ·
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11

How Does a Bobsleigh's Collision Affect Its Momentum and Forces?

  • fogvajarash
  • · Replies 4 ·
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4

What Happens to Angular Velocity When Two Unequal Wheels Touch?

  • KiNGGeexD
  • · Replies 7 ·
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7

Conservation of angular momentum of a thin rod

  • xfreedom
  • · Replies 5 ·
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5

How Do You Calculate Slingshot Maneuver Dynamics for a Space Probe?

  • noreally
  • · Replies 3 ·
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3

Wouldn't the solid expand in all directions?

  • MathewsMD
  • · Replies 3 ·
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3

Electric potential at the center of a sphere

  • Yosty22
  • · Replies 1 ·
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1

Minimum Angular Velocity Problem

  • Clearik
  • · Replies 4 ·
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4

Most probable position of electron in an infinitely deep square well

  • princejan7
  • · Replies 1 ·
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1

Interesting Feymann statement about probability.

  • Portuga
  • · Replies 3 ·
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3

Force Applied to Box on Incline

  • morgane28v
  • · Replies 1 ·
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1

How to show a wave function satisfies the shrodinger eqn

  • richyw
  • · Replies 19 ·
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19

Maximum Compression and Velocity of Spring-mass System

  • mechnoid
  • · Replies 25 ·
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25

Angular Momentum of a ball of clay

  • NATURE.M
  • · Replies 5 ·
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5

Tension in Wire: Solve 8kg Ball Elastic Collision

  • PsychonautQQ
  • · Replies 3 ·
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3

Finding Minimum Force Applied to Keep Objects Stationary?

  • morgane28v
  • · Replies 2 ·
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2
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8

REALLY easy electrostatic question

  • Kemilss
  • · Replies 1 ·
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1

Which Way Does the Net Force Act on the Circuit?

  • theintarnets
  • · Replies 3 ·
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3

Work and Kinetic Energy of a Trebuchet

  • hutt132
  • · Replies 5 ·
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5

What is the Moment of Inertia of a Flywheel?

  • KiNGGeexD
  • · Replies 5 ·
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5

Symmetry in a Triangular Circuit

  • bananabandana
  • · Replies 7 ·
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7

Expressing Angular Momentum in Units

  • KiNGGeexD
  • · Replies 4 ·
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4

Calculating Angular Momentum when Radius Changes for 2s

  • MathewsMD
  • · Replies 1 ·
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1

Multiple Forces Acting on Masses Attached by a String

  • javaldesc
  • · Replies 5 ·
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5

Differential equation of motion

  • Lozzakw
  • · Replies 1 ·
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1

Calculating the Center of Mass for an L-Shaped Object

  • KiNGGeexD
  • · Replies 8 ·
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8

Moment of inertia of triangle about centroidal axis

  • mbigras
  • · Replies 11 ·
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11

Circuit with batteries facing the same direction

  • cvsanchez
  • · Replies 10 ·
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10

Radial vs Tangential acceleration

  • MathewsMD
  • · Replies 3 ·
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3

Impulse and Average Force. Ball by the Wall.

  • MeghanBland
  • · Replies 5 ·
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5

Differential Difficulties in an RL Circuit Problem

  • Geromy
  • · Replies 13 ·
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13
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6
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2

Tensions and centripetal acceleration

  • fogvajarash
  • · Replies 13 ·
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13

Orbital motion electron (quantum)

  • hvthvt
  • · Replies 2 ·
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2

Waves and Sound - Air Column (Clarinet)

  • harujina
  • · Replies 7 ·
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7