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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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Find height of tree from shadow silhouette

hyen84
Jan 23, 2004 · Replies 2 · Jan 30, 2004

Replies: 2

How high does a projectile go when fired upward at 58.8 m/s for 1.5 seconds?

KingNothing
Jan 30, 2004 · Replies 8 · Jan 30, 2004

Replies: 8

Stabilizing the Leaves of an Electroscope

AngelofMusic
Jan 23, 2004 · Replies 2 · Jan 30, 2004

Replies: 2

Statics lever and valve question

formulajoe
Jan 29, 2004 · Replies 5 · Jan 30, 2004

Replies: 5

Gravitational potential energy of planet

ACLerok
Jan 23, 2004 · Replies 2 · Jan 30, 2004

Replies: 2

Ohm's Law: Meaning & Applications in Circuits

franz32
Jan 23, 2004 · Replies 2 · Jan 30, 2004

Replies: 2

How Much Ice Melts When a Hot Bullet Hits It?

PrudensOptimus
Jan 22, 2004 · Replies 5 · Jan 30, 2004

Replies: 5

Physics fluids - buoyant principle help

mindhater
Jan 29, 2004 · Replies 2 · Jan 30, 2004

Replies: 2

What is the Equation for Force of Friction?

paigegail
Jan 26, 2004 · Replies 6 · Jan 30, 2004

Replies: 6

Evaluating Electric Field for the Coloumb Potential

jlmac2001
Jan 29, 2004 · Replies 5 · Jan 30, 2004

Replies: 5

Solve Mass & Height of Hydraulic Lift w/ Car & Person

Juntao
Jan 23, 2004 · Replies 2 · Jan 30, 2004

Replies: 2

Free Response: Skier moving down a slope

ScoutFCM
Jan 22, 2004 · Replies 2 · Jan 30, 2004

Replies: 2

Volume of a Semicircular Area? HELP

NanoTech
Jan 14, 2004 · Replies 5 · Jan 30, 2004

Replies: 5

Type(s) of charge distribution for spherical and cylindrical gaussian surfaces

yanyin
Jan 23, 2004 · Replies 2 · Jan 30, 2004

Replies: 2

Why Does the Elevator's Acceleration Calculation Keep Giving the Wrong Answer?

um_alim
Jan 29, 2004 · Replies 5 · Jan 29, 2004

Replies: 5

Solving Gauss's Law Problem: Find Electric Field at Point

eku_girl83
Jan 29, 2004 · Replies 5 · Jan 29, 2004

Replies: 5

Constant vector and cross product?

jlmac2001
Jan 29, 2004 · Replies 6 · Jan 29, 2004

Replies: 6

Parametric Equation for Surface Area of Revolution

tandoorichicken
Jan 22, 2004 · Replies 2 · Jan 29, 2004

Replies: 2

Calculating Hydrostatic Force on Dam Plug

rdn98
Jan 22, 2004 · Replies 2 · Jan 29, 2004

Replies: 2

What Happens to the Sand Bag When Andrew Climbs the Rope?

svtec
Jan 28, 2004 · Replies 9 · Jan 29, 2004

Replies: 9

Calculating Electric Field Components at a Point: A College Physics Problem

AshleyF708
Jan 27, 2004 · Replies 32 · Jan 29, 2004

2

Replies: 32

Solving Electric Field Strength at Aircraft in Cloud: 1.03357e8 + 2.64009e9

Spectre32
Jan 28, 2004 · Replies 3 · Jan 28, 2004

Replies: 3

Neutral Balloon: Examining its Charge After Electron Removal

NINHARDCOREFAN
Jan 27, 2004 · Replies 3 · Jan 28, 2004

Replies: 3

Neutral Balloon: Charge After 19000 e- Removed?

Spectre32
Jan 28, 2004 · Replies 2 · Jan 28, 2004

Replies: 2

Can any one solve these for me ?

vaastav
Jan 28, 2004 · Replies 2 · Jan 28, 2004

Replies: 2

Conservation of momentum on merry-go-round

tandoorichicken
Jan 13, 2004 · Replies 2 · Jan 28, 2004

Replies: 2

How Many Electrons & Charge in 2 Grams of Silver?

Spectre32
Jan 25, 2004 · Replies 13 · Jan 28, 2004

Replies: 13

Volume Ellipse: Find x,a,b Rotation X-Axis

tandoorichicken
Jan 20, 2004 · Replies 2 · Jan 27, 2004

Replies: 2

Plotting Gradients of Scalar Fields on the Plane

jlmac2001
Jan 27, 2004 · Replies 5 · Jan 27, 2004

Replies: 5

Can someone helpme with this question

jlmac2001
Jan 27, 2004 · Replies 2 · Jan 27, 2004

Replies: 2

I'm looking at this question:'If we assume as oscillation of form

S.P.P
Jan 25, 2004 · Replies 3 · Jan 27, 2004

Replies: 3

Calculating Power in a Circuit with Resistors - Exam Review Question

samurai
Jan 27, 2004 · Replies 3 · Jan 27, 2004

Replies: 3

Time at given speed in freefall

KingNothing
Jan 24, 2004 · Replies 13 · Jan 27, 2004

Replies: 13

What is the Electric Field Magnitude at a Charged Ball's Position?

Zypheron
Jan 27, 2004 · Replies 2 · Jan 27, 2004

Replies: 2

Calculating Min. D for .6nm Wavelength Difference & 1cm Diffraction Grating

Jupiter
Jan 26, 2004 · Replies 2 · Jan 27, 2004

Replies: 2

Find Magnitude of Force at Origin from 4 Charges

NINHARDCOREFAN
Jan 27, 2004 · Replies 5 · Jan 27, 2004

Replies: 5

Deriving an equation for the density of air

sickboy
Jan 20, 2004 · Replies 1 · Jan 27, 2004

Replies: 1

How Does a Mass Attached to a Spring Behave on an Inclined Frictionless Surface?

moham_87
Jan 19, 2004 · Replies 2 · Jan 27, 2004

Replies: 2

Solve Exponential Growth Problem: US Population Doubling Time

Banana
Jan 26, 2004 · Replies 2 · Jan 27, 2004

Replies: 2

Merry Go Round Kid Jumps on find the work

SteveoFitz
Jan 26, 2004 · Replies 7 · Jan 27, 2004

Replies: 7

Need Major Help with Canal Lock Problem

geoffroy6885
Jan 19, 2004 · Replies 2 · Jan 27, 2004

Replies: 2

Exponential Decay: Solving with Radioactive Half-Lives

chroot
Jan 26, 2004 · Replies 2 · Jan 27, 2004

Replies: 2

Integrability of a step function

stunner5000pt
Jan 26, 2004 · Replies 4 · Jan 26, 2004

Replies: 4

Exam Review Questions: Work, Kinetic Energy, Acceleration, and Impulse

samurai
Jan 26, 2004 · Replies 2 · Jan 26, 2004

Replies: 2

Finding Maximum Range R for Jumping from Cliff: Mechanics Question

Ed Quanta
Jan 26, 2004 · Replies 2 · Jan 26, 2004

Replies: 2

How to Calculate the Speed of a Charge Without Knowing Its Mass?

KingJaymz
Jan 26, 2004 · Replies 8 · Jan 26, 2004

Replies: 8

Energy and a Frictional Incline

samurai
Jan 26, 2004 · Replies 3 · Jan 26, 2004

Replies: 3

What Does [N30.0'E] Indicate in Navigation Terms?

ronaldo_8
Jan 26, 2004 · Replies 2 · Jan 26, 2004

Replies: 2

How Do You Calculate the Resultant Force and Its Direction from Two Vectors?

freespirit
Jan 26, 2004 · Replies 2 · Jan 26, 2004

Replies: 2

What are moment of inertia, mass moment of inertia, and radius of gyration?

ShawnD
Jan 19, 2004 · Replies 2 · Jan 26, 2004

Replies: 2

How Do You Calculate Acceleration of Multiple Connected Blocks?

matajone
Jan 26, 2004 · Replies 6 · Jan 26, 2004

Replies: 6

Calculating Resultant Force Magnitude and Direction Angle

freespirit
Jan 26, 2004 · Replies 3 · Jan 26, 2004

Replies: 3

Fat hydrocarbon chains question

gotzmlk
Jan 14, 2004 · Replies 2 · Jan 26, 2004

Replies: 2

Finding the Resultant of Vectors C & D

NanoTech
Jan 25, 2004 · Replies 2 · Jan 26, 2004

Replies: 2

Help with Cauchy-Schwartz Inequality proof.

faust9
Jan 26, 2004 · Replies 4 · Jan 26, 2004

Replies: 4

How Does Friction Affect the Acceleration of Stacked Blocks?

HW_unlimited
Jan 19, 2004 · Replies 2 · Jan 26, 2004

Replies: 2

Acceleration due to gravity

ACLerok
Jan 24, 2004 · Replies 7 · Jan 26, 2004

Replies: 7

Range of Tennis Ball Thrown from Ground: 15 m/s

DR33
Jan 19, 2004 · Replies 5 · Jan 26, 2004

Replies: 5

Calculating Distance and Acceleration in Circular Motion of Two Cyclists

jjiimmyy101
Jan 24, 2004 · Replies 4 · Jan 25, 2004

Replies: 4

Calculating Magnetic Flux & EMF through a Conducting Loop

student1938
Jan 25, 2004 · Replies 2 · Jan 25, 2004

Replies: 2

Correct Solution to the Differential Equation?

mcintyre_ie
Jan 25, 2004 · Replies 3 · Jan 25, 2004

Replies: 3

I'm confused about proving vector spaces

astral
Jan 9, 2004 · Replies 13 · Jan 25, 2004

Replies: 13

Energy & Power: Understanding the Laws of Thermodynamics

DaFreestyle
Jan 24, 2004 · Replies 3 · Jan 25, 2004

Replies: 3

Are Electric and Magnetic Fields Always Perpendicular?

janrain
Jan 24, 2004 · Replies 3 · Jan 24, 2004

Replies: 3

Electrodynamics problem(Lenz' s Law)

student1938
Jan 22, 2004 · Replies 15 · Jan 24, 2004

Replies: 15

Junior seeking help for project.

rob_taylor
Jan 22, 2004 · Replies 4 · Jan 24, 2004

Replies: 4

Solving Linear Systems: Hemlock & Blue Spruce Trees

jojonea
Jan 23, 2004 · Replies 5 · Jan 24, 2004

Replies: 5

Why Do Closed Pipes Not Produce Even Numbered Harmonics?

nina
Jan 24, 2004 · Replies 10 · Jan 24, 2004

Replies: 10

Wave interference from 2 point source

Kinto
Jan 16, 2004 · Replies 2 · Jan 23, 2004

Replies: 2

Finding Cable Tension Components with Given Angles

formulajoe
Jan 22, 2004 · Replies 13 · Jan 23, 2004

Replies: 13

Model Rocket Launch: Acceleration and Maximum Height Calculations

dorthod
Jan 23, 2004 · Replies 3 · Jan 23, 2004

Replies: 3

How Many Electrons in a High-Speed Beam at Stanford Linear Accelerator?

nautica
Jan 23, 2004 · Replies 2 · Jan 23, 2004

Replies: 2

Calculating the Wattage Usage of a 60-Watt Light Bulb in Three Hours

marshall4
Jan 21, 2004 · Replies 8 · Jan 23, 2004

Replies: 8

AS Sensor Coursework Ideas: Spinning Disc and Phototransistor Setup

richMMIV
Jan 23, 2004 · Replies 4 · Jan 23, 2004

Replies: 4

How do I calculate the volume of a spherical slice using integration?

tandoorichicken
Jan 21, 2004 · Replies 3 · Jan 23, 2004

Replies: 3

Constructing a Vehicle Powered by a Rubber Band:

atticus_grey
Jan 5, 2004 · Replies 6 · Jan 23, 2004

Replies: 6

Finding the Final Speed of a Golf Ball Projected at an Angle

Ihsahn
Jan 22, 2004 · Replies 7 · Jan 22, 2004

Replies: 7

Deflection of an Electron and Capacitor problems

Moxin
Jan 22, 2004 · Replies 4 · Jan 22, 2004

Replies: 4

Understanding Vector Quantities and Projections: Answers to Common Questions

jlmac2001
Jan 15, 2004 · Replies 2 · Jan 22, 2004

Replies: 2

Solving for Net Force of Charge Q on Two Charges q1 & q2

kashmirekat
Jan 22, 2004 · Replies 6 · Jan 22, 2004

Replies: 6

Momentum in different directions

diciccod
Jan 22, 2004 · Replies 4 · Jan 22, 2004

Replies: 4

Physics racing velocity problem

newton1
Sep 28, 2003 · Replies 5 · Jan 22, 2004

Replies: 5

Calculating V1 and R3 in a Parallel Circuit with Given Resistors and Currents

soso
Jan 14, 2004 · Replies 2 · Jan 22, 2004

Replies: 2

What Angle and Timing Adjustments Allow Two Thrown Snowballs to Collide?

svtec
Jan 22, 2004 · Replies 4 · Jan 22, 2004

Replies: 4

Trouble with Proof of Optimal Launch Angle

stoffer
Jan 22, 2004 · Replies 2 · Jan 22, 2004

Replies: 2

How Far Does the Spring Compress When a 20 kg Mass Slides Down an Incline?

accc
Jan 22, 2004 · Replies 4 · Jan 22, 2004

Replies: 4

The Gravitational Dance: Calculating Fred & Betty's KE

rdn98
Jan 15, 2004 · Replies 2 · Jan 22, 2004

Replies: 2

Newton's Laws Questions: Understanding Deceleration and Resistance

Auron87
Jan 15, 2004 · Replies 2 · Jan 22, 2004

Replies: 2

Downward acceleration greater than g

mmfoley
Jan 21, 2004 · Replies 5 · Jan 22, 2004

Replies: 5

Calculating Earth's Greenhouse Gas Absorption

Brad_Ad23
Jan 20, 2004 · Replies 4 · Jan 22, 2004

Replies: 4

Solving E1jk & Proving |Torque|^2 w/o Summation

jlmac2001
Jan 20, 2004 · Replies 6 · Jan 22, 2004

Replies: 6

Pressure Help: Calculating Force in a Multi-Tube System

Rockdog
Jan 21, 2004 · Replies 3 · Jan 22, 2004

Replies: 3

Permutations of n taken r at a time

PiRsq
Jan 21, 2004 · Replies 5 · Jan 22, 2004

Replies: 5

How Does a Boat's Velocity Change with Current Direction and Speed?

nocturnalwun
Jan 14, 2004 · Replies 2 · Jan 22, 2004

Replies: 2

Understanding Force and Tension: Tips for Solving Problems | Exam Prep

golf
Jan 20, 2004 · Replies 4 · Jan 21, 2004

Replies: 4

Why Does D'Inverno Equate Lbarg in the Palatini Approach?

maddy
Jan 14, 2004 · Replies 1 · Jan 21, 2004

Replies: 1

How Do You Calculate the Original Volume of Gas After Pressure Change?

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

Replies: 2

Finding the Zero Net Electric Field Point for Two Point Charges on the x-axis

keeganisafish
Jan 19, 2004 · Replies 4 · Jan 21, 2004

Replies: 4

How Does a Tape Measure Act as a Spring in a DIY Land Rover?

paigegail
Jan 14, 2004 · Replies 1 · Jan 21, 2004

Replies: 1

Velocity Time graph question [i'm not getting anywhere]

Acidvoodoo
Jan 21, 2004 · Replies 4 · Jan 21, 2004

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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