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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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Calculating Electric Potential in A Uniform Electric Field

Moxin
Jan 21, 2004 · Replies 4 · Jan 21, 2004

Replies: 4

Find Length of Curve: y=x^2+2 from 0-3

tandoorichicken
Jan 20, 2004 · Replies 3 · Jan 21, 2004

Replies: 3

How to Calculate Gravitational Force in Orbital and Spherical Systems?

ACLerok
Jan 21, 2004 · Replies 2 · Jan 21, 2004

Replies: 2

Mass and weight differences on earth

mmfoley
Jan 21, 2004 · Replies 3 · Jan 21, 2004

Replies: 3

Finding X & Y Coordinates of Ball Thrown from Building on Slope

jjiimmyy101
Jan 20, 2004 · Replies 7 · Jan 21, 2004

Replies: 7

Can (v1-v2) Prove the Existence of the Smallest Unit of Electric Charge?

Inquiring_Mike
Jan 21, 2004 · Replies 2 · Jan 21, 2004

Replies: 2

Answering 6th Grade Physics: Explaining School Bus Jerk Using Newton's Laws

shayes928
Jan 21, 2004 · Replies 2 · Jan 21, 2004

Replies: 2

How Many Electrons Pass and What Are the Costs of Electrical Appliances?

mustang
Jan 13, 2004 · Replies 2 · Jan 21, 2004

Replies: 2

IO3F2: Lewis Dot, Hybridization, Shape, Bonding Angle & Polarity

fangtu
Jan 14, 2004 · Replies 2 · Jan 21, 2004

Replies: 2

Thermal Expansion of a hollow aluminum cylinder

Sherry
Jan 16, 2004 · Replies 7 · Jan 21, 2004

Replies: 7

What is this element, carbon, hydrogen, oxyden or aluminum?

Rival
Jan 20, 2004 · Replies 13 · Jan 21, 2004

Replies: 13

Why Are These Physics Problems So Challenging?

tandoorichicken
Jan 14, 2004 · Replies 2 · Jan 21, 2004

Replies: 2

Physics Help for Armageddon Movie Assignment - MIR Space Station Troubles

killjoy
Jan 20, 2004 · Replies 4 · Jan 20, 2004

Replies: 4

Need help with electromagnetism problems?

Poobel
Jan 20, 2004 · Replies 4 · Jan 20, 2004

Replies: 4

Calculating Net Force on a Third Charge Using Coloumb's Law

Cyto
Nov 25, 2003 · Replies 12 · Jan 20, 2004

Replies: 12

Find Area between Y-Axis & Curve x=y^2-y^3

tandoorichicken
Jan 13, 2004 · Replies 2 · Jan 20, 2004

Replies: 2

Need Major Help with Canal Lock Problem

geoffroy6885
Jan 19, 2004 · Replies 6 · Jan 20, 2004

Replies: 6

Swinging Rock Hunting: Allister's Deer Catch Method

MikeH
Jan 14, 2004 · Replies 15 · Jan 20, 2004

Replies: 15

Resistance and current problems

mustang
Jan 13, 2004 · Replies 2 · Jan 20, 2004

Replies: 2

Proton in Magnetic field - am I correct?

Poobel
Jan 19, 2004 · Replies 2 · Jan 19, 2004

Replies: 2

Exam review: don't remember how to do this

Earth_kissed
Jan 12, 2004 · Replies 2 · Jan 19, 2004

Replies: 2

How would it affect our daily lives if Planck´s constant were different?

nicolas
Jan 12, 2004 · Replies 1 · Jan 19, 2004

Replies: 1

Understanding Pendulum Motion and Its Relationship to Gravity and Temperature

nation_unknown
Jan 16, 2004 · Replies 4 · Jan 19, 2004

Replies: 4

Solving the Jump Height Mystery: How to Calculate with Unknown Mass

celect
Jan 18, 2004 · Replies 4 · Jan 19, 2004

Replies: 4

First Order Linear Differential Equations

wubie
Jan 18, 2004 · Replies 4 · Jan 19, 2004

Replies: 4

Why is a Shorter Spring Stiffer Than a Longer One?

sweetrose
Jan 15, 2004 · Replies 2 · Jan 19, 2004

Replies: 2

Another First Ord. Diff. Equation

wubie
Jan 18, 2004 · Replies 7 · Jan 19, 2004

Replies: 7

Solve Balancing Force: Find the Tensions & Identify String Breakage

Johnny Leong
Jan 15, 2004 · Replies 7 · Jan 18, 2004

Replies: 7

Calculating Total Weight of a Truck with Uneven Loads

tandoorichicken
Jan 11, 2004 · Replies 2 · Jan 18, 2004

Replies: 2

Solving for Unknown Cable Forces in a Beam: Easy Statics Question

formulajoe
Jan 18, 2004 · Replies 11 · Jan 18, 2004

Replies: 11

How to Calculate Damped Oscillation Frequency and Amplitude Change?

Klion
Jan 18, 2004 · Replies 3 · Jan 18, 2004

Replies: 3

How Does Wheel Size and Lever Mechanics Enhance Mousetrap Vehicle Performance?

adeel
Jan 10, 2004 · Replies 2 · Jan 18, 2004

Replies: 2

Monkey on a Tree: Will it be Shot by a Hunter? | Simple Homework Problem

luther_paul
Jan 15, 2004 · Replies 5 · Jan 18, 2004

Replies: 5

How Long Did the 23m Jump Last?

svtec
Jan 18, 2004 · Replies 2 · Jan 18, 2004

Replies: 2

Designing a Mousetrap Car: Kinetic & Potential Energy

nychic3000
Jan 11, 2004 · Replies 2 · Jan 18, 2004

Replies: 2

Adiabatic Expansion - Need help getting started

Skyblitz
Jan 17, 2004 · Replies 5 · Jan 18, 2004

Replies: 5

Why Do Signs Change in Fourier Series Coefficients Calculation?

teo
Jan 11, 2004 · Replies 2 · Jan 18, 2004

Replies: 2

Projectile Motion & Motorcycle Jumps

amyalex
Jan 17, 2004 · Replies 5 · Jan 17, 2004

Replies: 5

Coefficient of Friction for 25° Banked Curve

MikeH
Jan 14, 2004 · Replies 8 · Jan 17, 2004

Replies: 8

Reflection,Refraction,Total Internal Reflection,Diffraction

Ohm
Jan 17, 2004 · Replies 2 · Jan 17, 2004

Replies: 2

Way to remember the difference between energy and power?

celect
Jan 16, 2004 · Replies 2 · Jan 17, 2004

Replies: 2

How Much Energy Is Required to Elevate a Satellite to 1800 km Altitude?

rdn98
Jan 16, 2004 · Replies 2 · Jan 17, 2004

Replies: 2

What Is the Second Derivative of f(x^3) Given Complex Function Relationships?

tandoorichicken
Jan 10, 2004 · Replies 2 · Jan 17, 2004

Replies: 2

Kinematics of a thrown rock. Calculate speed

DR33
Jan 17, 2004 · Replies 26 · Jan 17, 2004

Replies: 26

Finding Flow Speed in Smaller Section: A Puzzling Problem

MichaelC
Jan 17, 2004 · Replies 3 · Jan 17, 2004

Replies: 3

Complex numbers. Imaginary part

fannemel
Jan 14, 2004 · Replies 9 · Jan 17, 2004

Replies: 9

How Does Changing Arm Position Affect a Spinning Professor's Kinetic Energy?

tandoorichicken
Jan 14, 2004 · Replies 2 · Jan 17, 2004

Replies: 2

Understanding Shell Electrons and Electron Configuration in Krypton

cricket
Jan 9, 2004 · Replies 2 · Jan 16, 2004

Replies: 2

Potential Energy of 1000 kg Car at 1m Height

celect
Jan 15, 2004 · Replies 2 · Jan 16, 2004

Replies: 2

First Derivative? 1st physics calculus class-help

NanoTech
Jan 15, 2004 · Replies 2 · Jan 16, 2004

Replies: 2

The Number Of Proper Subsets is 2^n - 1

wubie
Jan 14, 2004 · Replies 9 · Jan 16, 2004

Replies: 9

How Fast Does a Man's Shadow Change as He Walks Towards a Street Light?

tandoorichicken
Jan 8, 2004 · Replies 2 · Jan 16, 2004

Replies: 2

Find Largest Rectangle on y=12-x^2

tandoorichicken
Jan 8, 2004 · Replies 2 · Jan 16, 2004

Replies: 2

Solving Equations for Particle Position & Velocity on x-Axis

Blade
Jan 8, 2004 · Replies 2 · Jan 16, 2004

Replies: 2

What is the structure of glass and its properties in automobiles?

pinky
Jan 14, 2004 · Replies 2 · Jan 16, 2004

Replies: 2

Gravitation: Force inside a sphere

Rockdog
Jan 14, 2004 · Replies 4 · Jan 15, 2004

Replies: 4

Efficiency of Motor Lifting 5000kg Load 13m in 20s - Help

curlydafatboy
Jan 8, 2004 · Replies 2 · Jan 15, 2004

Replies: 2

Electricity Circuit Analysis: Finding Voltage, Current, and Resistance Values

Genesis
Jan 14, 2004 · Replies 2 · Jan 15, 2004

Replies: 2

Calculus Finals Review: Seeking Tutoring/Help

hodeez
Jan 12, 2004 · Replies 31 · Jan 15, 2004

2

Replies: 31

Excess electrons and net charge

eku_girl83
Jan 14, 2004 · Replies 3 · Jan 15, 2004

Replies: 3

Calculating Electron Energy from Potential Difference

soso
Jan 14, 2004 · Replies 9 · Jan 14, 2004

Replies: 9

How to Calculate Boat Velocity Relative to Shore in River Flow?

nocturnalwun
Jan 14, 2004 · Replies 2 · Jan 14, 2004

Replies: 2

Optimizing Lever Arm Length and Material for Maximum Distance in a Mousetrap Car

decibel
Jan 14, 2004 · Replies 3 · Jan 14, 2004

Replies: 3

Understanding Elementary Charge: Electrons Transferred and Direction of Movement

soso
Jan 14, 2004 · Replies 5 · Jan 14, 2004

Replies: 5

Writing degree sign on the microsoft word?

hecate
Jan 14, 2004 · Replies 3 · Jan 14, 2004

Replies: 3

How Do You Determine Horizontal Asymptotes in Functions?

roy5995
Jan 7, 2004 · Replies 2 · Jan 14, 2004

Replies: 2

Acceleration and Rotational Kinetic Energy in a Rigidly Mounted Cylinder System

tandoorichicken
Jan 14, 2004 · Replies 2 · Jan 14, 2004

Replies: 2

How Does Friction Affect the Work Done When Dragging a Crate?

badboyben03
Jan 7, 2004 · Replies 2 · Jan 14, 2004

Replies: 2

Which Curve Intersects Every Curve of the Family y = 1/x + k at Right Angles?

tandoorichicken
Jan 7, 2004 · Replies 2 · Jan 14, 2004

Replies: 2

Gravitation, neutron starlooks simple

rdn98
Jan 13, 2004 · Replies 4 · Jan 14, 2004

Replies: 4

I won't do that again.Problem: Integrating Kinematic Equations to Find Position

jjiimmyy101
Jan 13, 2004 · Replies 7 · Jan 14, 2004

Replies: 7

Solve Word Problem: Rancher Divides Herds Between Sons

RyokoTenchi
Jan 13, 2004 · Replies 3 · Jan 14, 2004

Replies: 3

Gravitation: Rocket's Velocity

Juntao
Jan 13, 2004 · Replies 4 · Jan 14, 2004

Replies: 4

What Are the Answers to These Physics Questions?

dragun
Jan 13, 2004 · Replies 2 · Jan 14, 2004

Replies: 2

Build a Mousetrap Car Using Only a Spring!

Morgan
Jan 7, 2004 · Replies 2 · Jan 14, 2004

Replies: 2

How Can I Calculate Deceleration and Depth for an Object Falling into Water?

lalapsambel
Jan 7, 2004 · Replies 2 · Jan 14, 2004

Replies: 2

Distinguish Shared & Unshared Electrons in Ammonia & CH2Cl2

gotzmlk
Jan 6, 2004 · Replies 2 · Jan 14, 2004

Replies: 2

Definition of derivative integration problem

tandoorichicken
Jan 13, 2004 · Replies 4 · Jan 14, 2004

Replies: 4

How Do You Calculate Acceleration from a Position Function in Kinematics?

jjiimmyy101
Jan 13, 2004 · Replies 6 · Jan 14, 2004

Replies: 6

How to Prove Vector Ratios BE:EF = 1:2 and CD:DF = 1:1?

Warr
Jan 12, 2004 · Replies 7 · Jan 14, 2004

Replies: 7

Testing thermistor and calibration - sensors

meawinner
Jan 6, 2004 · Replies 2 · Jan 13, 2004

Replies: 2

Understand Force Fields: Store and Release Energy?

eddo
Jan 12, 2004 · Replies 2 · Jan 13, 2004

Replies: 2

Electric Field at the Center of a Square of Point Charges

Moxin
Jan 13, 2004 · Replies 4 · Jan 13, 2004

Replies: 4

Solving an Electricity Question: Circuit Analysis for V, I, and R Values"

Genesis
Jan 12, 2004 · Replies 2 · Jan 13, 2004

Replies: 2

What is the speed of the planes on Great Six Flags Air Racer?

tandoorichicken
Jan 11, 2004 · Replies 8 · Jan 13, 2004

Replies: 8

How much total mechanical work does a eight lifter do in 10 repetitions

ShakeWell
Jan 5, 2004 · Replies 2 · Jan 13, 2004

Replies: 2

Acceleration Problem: Calculating Force of Pet 2

dimava
Jan 12, 2004 · Replies 4 · Jan 12, 2004

Replies: 4

How many years would it take for the glacier to move .74km?

doggerz
Jan 12, 2004 · Replies 2 · Jan 12, 2004

Replies: 2

Equilibrium: What Must Be True?

badboyben03
Jan 9, 2004 · Replies 2 · Jan 12, 2004

Replies: 2

Energy Problems: Mass, Velocity, and Resistive Force Explained

Johnny Leong
Jan 11, 2004 · Replies 7 · Jan 12, 2004

Replies: 7

How Much Force is Needed to Stop a Spinning Grinding Wheel in 20 Seconds?

tandoorichicken
Jan 12, 2004 · Replies 3 · Jan 12, 2004

Replies: 3

Factors Affecting Friction: Experiment & Analysis

ebola_virus
Jan 5, 2004 · Replies 2 · Jan 12, 2004

Replies: 2

How Do You Integrate Functions Involving Exponents and Substitutions?

Blade
Jan 11, 2004 · Replies 5 · Jan 12, 2004

Replies: 5

How Much Energy Is Required to Move a Charge to Infinity?

mustang
Jan 4, 2004 · Replies 2 · Jan 12, 2004

Replies: 2

Possible Orbits in V = k r^4 Potential

yxgao
Jan 4, 2004 · Replies 2 · Jan 11, 2004

Replies: 2

How do you find overall velocity

mort
Jan 4, 2004 · Replies 2 · Jan 11, 2004

Replies: 2

Calculating Kinetic Energy & Speed of a Particle in Beta Decay Reaction

roy5995
Jan 10, 2004 · Replies 3 · Jan 11, 2004

Replies: 3

How to Calculate Volume and Weight of Air in an Auditorium

svtec
Jan 10, 2004 · Replies 2 · Jan 10, 2004

Replies: 2

Equilibrium: What Must Be True?

badboyben03
Jan 9, 2004 · Replies 2 · Jan 10, 2004

Replies: 2

How Do You Convert 2.36 eV to Joules of Work?

roy5995
Jan 10, 2004 · Replies 2 · Jan 10, 2004

Replies: 2

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Intro Physics Homework Help

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