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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.

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3 children and a balancing a seesaw

Bones
Dec 4, 2008 · Replies 3 · Dec 5, 2008

Replies: 3

Circular motion (planetary orbit) question

theneedtoknow
Dec 4, 2008 · Replies 1 · Dec 5, 2008

Replies: 1

Arm problem, Static Equilibrium

Bones
Dec 4, 2008 · Replies 1 · Dec 5, 2008

Replies: 1

Calculating the Net Force Vector for Multiple Force Vectors

bigzee20
Dec 5, 2008 · Replies 3 · Dec 5, 2008

Replies: 3

Adiabatic Process: Final Temp & Heat Absorbed Calculation

jimbo71
Dec 4, 2008 · Replies 1 · Dec 5, 2008

Replies: 1

Work-Kinetic Energy Theorum Problem

ariana0923
Dec 5, 2008 · Replies 3 · Dec 5, 2008

Replies: 3

Physics Dynamics: Angular and Linear Motion of Machine Components

tom23
Dec 4, 2008 · Replies 5 · Dec 5, 2008

Replies: 5

Average speed, displacement and average velocity of car.

ntseg001
Dec 5, 2008 · Replies 1 · Dec 5, 2008

Replies: 1

A dielectric in side a spherical shell

FourierX
Dec 4, 2008 · Replies 4 · Dec 5, 2008

Replies: 4

High Pass Amplifier: C & R1 in Parallel

killerinstinct
Dec 4, 2008 · Replies 1 · Dec 5, 2008

Replies: 1

Curious about Linear Density (μ) of a string

erinec
Dec 4, 2008 · Replies 3 · Dec 5, 2008

Replies: 3

How Is the Force Exerted by the Wedge on the Sphere Calculated?

Dtails
Dec 4, 2008 · Replies 6 · Dec 4, 2008

Replies: 6

Superposition Gravataional Forces

koab1mjr
Dec 4, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

Calculating kWh from Amps, Voltage and Time

chrisdanger
Dec 4, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

Solving Flow Rate Through Pipes with Pressure Difference

Husker70
Dec 4, 2008 · Replies 2 · Dec 4, 2008

Replies: 2

Package A Races Down the Ramp: How Long Does it Take?

mags
Nov 26, 2008 · Replies 3 · Dec 4, 2008

Replies: 3

What Torque Causes Earth's Precessional Cycle?

mdewdude
Dec 4, 2008 · Replies 2 · Dec 4, 2008

Replies: 2

Can a Limo Fit into a Smaller Garage with Special Relativity?

bcjochim07
Dec 4, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

How many revolutions does the merry go round make as it stops?

mags
Nov 26, 2008 · Replies 5 · Dec 4, 2008

Replies: 5

Converting Watts to Volts: Maximum Current for a 3.5W Resistor

haleyscavone
Dec 4, 2008 · Replies 4 · Dec 4, 2008

Replies: 4

Adiabatic Process and Heat Absorption

jimbo71
Dec 4, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

Isothermal expansion and final pressure

jimbo71
Dec 4, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

Vertical circle-direction of a force?

lu6cifer
Dec 4, 2008 · Replies 3 · Dec 4, 2008

Replies: 3

Calculating Collision Speeds: Billiard Ball Physics Homework Solution

eddwinn
Dec 4, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

A frustrating question regarding pressure, fluid and force

erinec
Dec 4, 2008 · Replies 4 · Dec 4, 2008

Replies: 4

Static Equilibrium of deltoid muscle

Bones
Dec 4, 2008 · Replies 3 · Dec 4, 2008

Replies: 3

How Does Friction Affect the Movement of a Thrown Turkey?

austin1250
Dec 4, 2008 · Replies 2 · Dec 4, 2008

Replies: 2

Archimedes' Principle- Popping lid off of a barrel

mchesypoof
Dec 3, 2008 · Replies 4 · Dec 4, 2008

Replies: 4

What is the orbital distance for a satellite with a 125 min period around Earth?

choyphin
Dec 4, 2008 · Replies 5 · Dec 4, 2008

Replies: 5

What is the Resultant Polarization Angle for Two Perpendicular Harmonic Waves?

eprparadox
Dec 4, 2008 · Replies 3 · Dec 4, 2008

Replies: 3

How Does Fluid Density Affect Absolute Pressure in a Siphon System?

mchesypoof
Dec 4, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

Understanding Inverted Images: Calculating M and f Ratios

Shackleford
Dec 4, 2008 · Replies 2 · Dec 4, 2008

Replies: 2

Free body diagram, inclined plane, and finding V from x vs t graph

jcpwn2004
Dec 4, 2008 · Replies 8 · Dec 4, 2008

Replies: 8

Why Does Current Lead Voltage by 110 Degrees in This Circuit?

Edwardo_Elric
Dec 4, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

Solve Thermodynamics Help: Molar Mass, Heat, Expansion

bubuchnik
Nov 28, 2008 · Replies 9 · Dec 4, 2008

Replies: 9

Buoyant Force with two attached blocks

mchesypoof
Dec 3, 2008 · Replies 3 · Dec 4, 2008

Replies: 3

Greatest Pressure on Brick: Bottom Side

jimbo71
Dec 4, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

Projectile Motion from a height

rachie9
Dec 3, 2008 · Replies 5 · Dec 4, 2008

Replies: 5

Magnetism, Displacement Currents and Parallel Plate Capacitors

TFM
Dec 3, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

Please help me out with the length on this sound intensities problem

jvirus872000
Dec 4, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

Is Energy Density Homogeneous with Stress and Strain Units?

nItRo_BoY
Dec 4, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

Kinetic Energy rotational motion problem, help please

tonedog12345
Dec 4, 2008 · Replies 3 · Dec 4, 2008

Replies: 3

Calculating Power for an Elevator with Maximum Load and Speed

nns91
Dec 4, 2008 · Replies 2 · Dec 4, 2008

Replies: 2

What is the speed of a block sliding down an inclined plane with friction?

sskicker23
Dec 4, 2008 · Replies 4 · Dec 4, 2008

Replies: 4

Time to restore equilibrium on horizontal block spring system

bocobuff
Dec 3, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

What is the energy lost when a body falls onto a moving cart without friction?

devanlevin
Dec 4, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

Volume of Submerged Solid: Solve Given Densities

stratomire
Dec 4, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

Atwood Machine(Conservation of String)

mikee
Dec 4, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

How Much Does It Cost to Run a Digital Clock for 34 Days?

haleyscavone
Dec 4, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

Cost of a energy from a battery

haleyscavone
Dec 4, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

What is the linear speed of the ball when it leaves the incline?

CoffinSupply
Dec 4, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

Does Angular Momentum Depend on the Choice of Origin?

sumitmanhas
Dec 3, 2008 · Replies 1 · Dec 4, 2008

Replies: 1

What will be the voltage across the resistor in an AC circuit?

jaejoon89
Dec 4, 2008 · Replies 2 · Dec 4, 2008

Replies: 2

Solve Pendulum Problem: Tension 150 N, Mass .65 kg, 28m Apart

Kandycat
Dec 3, 2008 · Replies 3 · Dec 4, 2008

Replies: 3

Moment of Inertia for Infinite Density (mass per area)

Hells_Kitchen
Dec 3, 2008 · Replies 5 · Dec 4, 2008

Replies: 5

Calculating Work done by Friction

reaperkid
Dec 3, 2008 · Replies 4 · Dec 3, 2008

Replies: 4

What Calculations Determine Roller Coaster Dynamics on a Vertical Track?

dr2112
Dec 3, 2008 · Replies 1 · Dec 3, 2008

Replies: 1

Putting an item into orbit. Help

Squeek
Dec 3, 2008 · Replies 3 · Dec 3, 2008

Replies: 3

How Is Pressure Distributed on the Upper and Lower Surfaces of an Airplane Wing?

Husker70
Dec 3, 2008 · Replies 3 · Dec 3, 2008

Replies: 3

Balancing Forces | Min Force to Hold Rod at Point A

saltine
Dec 3, 2008 · Replies 2 · Dec 3, 2008

Replies: 2

How Do You Calculate the Area of a Rectangular Glass Rod?

uno
Dec 3, 2008 · Replies 2 · Dec 3, 2008

Replies: 2

How Does a Generator's EMF Change with Magnetic Field Variations?

jaejoon89
Dec 3, 2008 · Replies 1 · Dec 3, 2008

Replies: 1

Multiple springs in harmonic motion

hellblazer970
Dec 2, 2008 · Replies 5 · Dec 3, 2008

Replies: 5

Calculating Velocity at a Specific Point on a Curved Slit

Melawrghk
Dec 3, 2008 · Replies 8 · Dec 3, 2008

Replies: 8

Velocity and Direction of Shrapnel After an Object Explodes at Rest

synergix
Dec 3, 2008 · Replies 16 · Dec 3, 2008

Replies: 16

Solving for Horizontal Displacement: Ball on a String

aquapod17
Dec 3, 2008 · Replies 2 · Dec 3, 2008

Replies: 2

Gravitron with greased walls - does the rider stay pinned or slide

squishypeachy
Dec 3, 2008 · Replies 3 · Dec 3, 2008

Replies: 3

Can Reviewing Old Physics Problems Improve Understanding?

redhot209
Dec 3, 2008 · Replies 1 · Dec 3, 2008

Replies: 1

Solving the Solar Power Puzzle in the US

Omanlew
Dec 3, 2008 · Replies 11 · Dec 3, 2008

Replies: 11

Calculating Acceleration of Point P Relative to O

Melawrghk
Dec 3, 2008 · Replies 2 · Dec 3, 2008

Replies: 2

Burning Calories: Calculating Time to Radiate 285 Calorie Donut

iseidthat
Dec 3, 2008 · Replies 3 · Dec 3, 2008

Replies: 3

What Is the Orbital Period of an Asteroid with Twice Earth's Mean Radius?

DRM126
Dec 3, 2008 · Replies 1 · Dec 3, 2008

Replies: 1

Cyclist of 80kg: Descending 3.4 degree Hill at 9.0 or 30 km/hr?

Omanlew
Dec 3, 2008 · Replies 1 · Dec 3, 2008

Replies: 1

Solving Oscillatory Motion: When Block B Starts to Slip?

Tzar_MacEng
Dec 3, 2008 · Replies 4 · Dec 3, 2008

Replies: 4

Find the angle to the horizonal using the given information.

paroxism--now
Dec 3, 2008 · Replies 2 · Dec 3, 2008

Replies: 2

How far did the man walk and what was his average speed?

Throwback24
Dec 3, 2008 · Replies 4 · Dec 3, 2008

Replies: 4

Find the mass of the skateboard

Maiia
Dec 3, 2008 · Replies 2 · Dec 3, 2008

Replies: 2

Not really homework still an intro physics question : moment of inertia/system

fluidistic
Dec 1, 2008 · Replies 19 · Dec 3, 2008

Replies: 19

Second moment of inertia of upside down t beam

gnarkil
Dec 2, 2008 · Replies 3 · Dec 3, 2008

Replies: 3

Understanding Angular Momentum in Particle Motion

sumitmanhas
Dec 3, 2008 · Replies 3 · Dec 3, 2008

Replies: 3

Angular momentum merry go round

sumitmanhas
Dec 3, 2008 · Replies 4 · Dec 3, 2008

Replies: 4

Compass in a solenoid, oscillating

TFM
Nov 22, 2008 · Replies 59 · Dec 3, 2008

2

Replies: 59

Need Help with Question: Tips Appreciated!

jackiemoon
Dec 3, 2008 · Replies 1 · Dec 3, 2008

Replies: 1

What Are the Final Velocities in a Perfectly Elastic Collision Problem?

southernbelle
Dec 3, 2008 · Replies 3 · Dec 3, 2008

Replies: 3

Calculating Speed of Mass Oscillating on Spring

veitch
Dec 3, 2008 · Replies 3 · Dec 3, 2008

Replies: 3

Rotational Motion/Pulley Problem

mburt3
Dec 2, 2008 · Replies 5 · Dec 3, 2008

Replies: 5

Help with rearranging an equation

snakey
Dec 3, 2008 · Replies 4 · Dec 3, 2008

Replies: 4

Rotational Energy Homework - Calculate Moment of Inertia & KE

bkl4life
Dec 3, 2008 · Replies 1 · Dec 3, 2008

Replies: 1

Bernoulli's equation and a water tank

notagenius08
Nov 5, 2008 · Replies 7 · Dec 3, 2008

Replies: 7

How does a lettuce spinner remove water from lettuce?

bkl4life
Dec 2, 2008 · Replies 4 · Dec 3, 2008

Replies: 4

How Can Particle Trajectory and Motion Dynamics Be Analyzed in a Planar System?

jackiemoon
Dec 3, 2008 · Replies 1 · Dec 3, 2008

Replies: 1

Why does a piece of glass stick to another piece of glass?

AirHendrix
Dec 2, 2008 · Replies 5 · Dec 3, 2008

Replies: 5

Can't all electromagnetic waves travel at light speed?

Diagon
Dec 2, 2008 · Replies 1 · Dec 3, 2008

Replies: 1

Why Is Cosine Used Instead of Sine in Calculating Tension in Physics?

-EquinoX-
Dec 2, 2008 · Replies 1 · Dec 3, 2008

Replies: 1

Determine angle for gun to be shot at

mmn
Dec 2, 2008 · Replies 2 · Dec 3, 2008

Replies: 2

Minimum speed on banking road (circular motion)

Elbobo
Dec 2, 2008 · Replies 5 · Dec 3, 2008

Replies: 5

What is the minimum force needed for a syringe to deliver serum into a patient?

RafaFutbol
Dec 1, 2008 · Replies 9 · Dec 3, 2008

Replies: 9

What is the Specific Heat of My Alloy?

kait
Dec 2, 2008 · Replies 2 · Dec 2, 2008

Replies: 2

Two Dogs and a Tire: A Physics Experiment

RZA
Dec 2, 2008 · Replies 2 · Dec 2, 2008

Replies: 2

Work-Energy theorem and kinetic energy pertaining to a car

DMOC
Dec 2, 2008 · Replies 4 · Dec 2, 2008

Replies: 4

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Intro Physics Homework Help

Introductory Physics Homework Help is a service that assists students in their assignments related to the fundamental principles of physics at the introductory level.

This support involves elucidating key concepts such as mechanics, electromagnetism, thermodynamics, and optics. Tutors or resources providing introductory physics homework help aim to aid students in problem-solving, understanding theoretical foundations, and applying mathematical techniques.

By offering explanations, examples, and guidance on physics problems, this service helps students grasp the basic principles of the subject, fostering a solid foundation for more advanced physics studies.

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