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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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Object dropped from tower with deflection problem

telekpsi
Nov 5, 2008 · Replies 1 · Nov 5, 2008

Replies: 1

How short a distance to come to a stop without sliding?

rachie9
Nov 5, 2008 · Replies 2 · Nov 5, 2008

Replies: 2

Simple AC circuit theory problem

backstance
Nov 4, 2008 · Replies 2 · Nov 5, 2008

Replies: 2

Calculate Tension in String Supporting Copper Block

luckyme
Nov 5, 2008 · Replies 5 · Nov 5, 2008

Replies: 5

Help with my physics homework please

madman555
Nov 5, 2008 · Replies 1 · Nov 5, 2008

Replies: 1

Rotational kinematics of analog clock

Chrisleo13
Nov 5, 2008 · Replies 2 · Nov 5, 2008

Replies: 2

Wavelength, Frequency, & Speed of Light in Different Media

jcvince17
Nov 5, 2008 · Replies 2 · Nov 5, 2008

Replies: 2

How high up on a ladder can he go without the ladder slipping?

rachie9
Nov 5, 2008 · Replies 3 · Nov 5, 2008

Replies: 3

Power of Elevator Motor: 500kg Acceleration & Cruising Speed

Geminiforce
Nov 4, 2008 · Replies 3 · Nov 5, 2008

Replies: 3

Converting Wavelength to Nanometers

jcvince17
Nov 4, 2008 · Replies 2 · Nov 5, 2008

Replies: 2

Rotational mechanics and Angular Momentum- help needed to check over work

ultrapowerpie
Nov 4, 2008 · Replies 1 · Nov 5, 2008

Replies: 1

Calculating Potential Between Conducting Shells

LocationX
Nov 2, 2008 · Replies 36 · Nov 5, 2008

2

Replies: 36

How many times will the particle stop in an hour?

devanlevin
Nov 5, 2008 · Replies 6 · Nov 5, 2008

Replies: 6

Max Weight for Dropping Rope w/ Mass m

telekpsi
Nov 5, 2008 · Replies 1 · Nov 5, 2008

Replies: 1

Finding a max angular acceleration

jhayes25
Nov 4, 2008 · Replies 1 · Nov 5, 2008

Replies: 1

Did I Solve the Tray Oscillation Problem Correctly?

kky1638
Nov 4, 2008 · Replies 1 · Nov 5, 2008

Replies: 1

What is the kinematics of a constant power motion?

LeroyR/T
Nov 4, 2008 · Replies 4 · Nov 5, 2008

Replies: 4

How Does Falling Water Affect Scale Readings?

asura
Nov 4, 2008 · Replies 1 · Nov 5, 2008

Replies: 1

Another mechanics question (a simpler one, I proimise)

Abukadu
Nov 5, 2008 · Replies 6 · Nov 5, 2008

Replies: 6

Calculating Change in Internal Energy for Compressed Air in a Closed System

tommyhakinen
Nov 5, 2008 · Replies 4 · Nov 5, 2008

Replies: 4

Calculating Proton Kinetic Energy in an Electric Field

tommyhakinen
Nov 5, 2008 · Replies 4 · Nov 5, 2008

Replies: 4

What Is the Height at Which the Boy Leaves the Ice?

Kudo Shinichi
Nov 3, 2008 · Replies 12 · Nov 5, 2008

Replies: 12

Pendulum and cart harmonic motion

Frillth
Nov 5, 2008 · Replies 2 · Nov 5, 2008

Replies: 2

Are All Waves Periodical?

FrostScYthe
Nov 5, 2008 · Replies 2 · Nov 5, 2008

Replies: 2

Work done by spring bringin block to rest

bocobuff
Nov 4, 2008 · Replies 3 · Nov 5, 2008

Replies: 3

Partial RL Circuit: Solving for Current in Inductor with Kirchhoff's Rules

Ithryndil
Nov 4, 2008 · Replies 3 · Nov 5, 2008

Replies: 3

Calculating Torque & Angular Acceleration of a Current Loop

ibaraku
Nov 4, 2008 · Replies 1 · Nov 5, 2008

Replies: 1

Yo-Yo Motion Puzzle - Find the Speed & Time of Fall

lfabb
Nov 4, 2008 · Replies 1 · Nov 5, 2008

Replies: 1

Solve Pressure Problem: Upward Force for Ocean Hatch

tommyhakinen
Nov 5, 2008 · Replies 2 · Nov 5, 2008

Replies: 2

How Does Pivot Position Affect the Period of a Physical Pendulum?

Frillth
Nov 5, 2008 · Replies 1 · Nov 5, 2008

Replies: 1

Bernoulli's Equation on water hose

maniacp08
Nov 3, 2008 · Replies 2 · Nov 5, 2008

Replies: 2

Race between a Speedy Tortoise and a Resting Hare

scottzilla
Nov 4, 2008 · Replies 3 · Nov 5, 2008

Replies: 3

Instantaneous Velocity of a particle

AcidicVision
Nov 4, 2008 · Replies 1 · Nov 5, 2008

Replies: 1

Centripetal Force on an incline + Fricktion

Infamous_01
Oct 24, 2008 · Replies 4 · Nov 5, 2008

Replies: 4

Projectile-Target Collision: Percentage of Incident Kinetic Energy Transferred?

terrib
Oct 31, 2007 · Replies 3 · Nov 4, 2008

Replies: 3

Why Does a Shower Curtain Move Towards You in a Hot Shower?

Denioc
Nov 4, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

Calculating Average Force Exerted on Pile Driver by I-Beam

sylavel
Nov 4, 2008 · Replies 3 · Nov 4, 2008

Replies: 3

How Do You Calculate Speeds on a Banked Race Track Without Friction?

Miss1nik2
Nov 4, 2008 · Replies 7 · Nov 4, 2008

Replies: 7

Simple Index of Refraction Question - chart

jcvince17
Nov 4, 2008 · Replies 2 · Nov 4, 2008

Replies: 2

Conservation of Angular Momentum of Star

ganondorf29
Nov 4, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

Kinematics: Solving Questions on Ball Thrown off 50m Cliff

davo
Nov 3, 2008 · Replies 7 · Nov 4, 2008

Replies: 7

Quantum Particle in a box problem HELP

krugertown
Nov 4, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

Elastic collision: Help solving for unknowns

xxtacofishxx
Nov 3, 2008 · Replies 3 · Nov 4, 2008

Replies: 3

Finding the Acceleration at Point Q of a Ball Pendulum Problem | Homework Help

blayman5
Nov 2, 2008 · Replies 13 · Nov 4, 2008

Replies: 13

Find the magnitude of the velocity vector on impact

ilovedeathcab
Nov 4, 2008 · Replies 4 · Nov 4, 2008

Replies: 4

What are Some Momentum Questions and How Can I Solve Them?

musicfairy
Nov 3, 2008 · Replies 12 · Nov 4, 2008

Replies: 12

How Is Momentum Conserved in a Two-Body Collision?

kmikias
Nov 4, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

Ballistic Pendulum Rifle: Solving for Post-Collision Height

Tohte
Nov 4, 2008 · Replies 10 · Nov 4, 2008

Replies: 10

How Long Should an Organ Pipe Be to Resonate at 16.4 Hz?

viciousp
Nov 3, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

Experimental error for the travelling microscope

DASHBOY
Nov 4, 2008 · Replies 2 · Nov 4, 2008

Replies: 2

The law of conservation of energy problem

dmitrip
Nov 4, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

Question about vertical and horizaontal

mjolnir80
Nov 4, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

Linearity Rules for Proving Non-Linearity

shutoutsteve
Nov 4, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

Solving Mechanics Homework - Finding Mass and Acceleration | Physics Forum Help

Abukadu
Nov 4, 2008 · Replies 28 · Nov 4, 2008

Replies: 28

Finding the limit of a function

meeklobraca
Nov 4, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

Electric circuits problem (diagrams included)

david18
Nov 4, 2008 · Replies 3 · Nov 4, 2008

Replies: 3

Change in gravitional potential energy at an angle?

flemj
Nov 4, 2008 · Replies 5 · Nov 4, 2008

Replies: 5

Where Can I Find a Complete Chart of ASTM Grain Size Numbers?

anthology
Nov 7, 2007 · Replies 3 · Nov 4, 2008

Replies: 3

The term mutual velocity, can be described as?

JohnnyB212
Nov 4, 2008 · Replies 4 · Nov 4, 2008

Replies: 4

Moving loop in magnetic field (concepts)

Staple Gun
Nov 3, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

How can I ensure the accuracy of my homework before submitting it?

btden182
Nov 3, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

Calculating Kinetic Friction Coefficient with Object, Ruler and Book

Jackpontikka
Nov 4, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

Finding the hange in inetic energy

sylavel
Nov 4, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

Understanding the Zeeman Effect Interaction

tan90
Nov 2, 2008 · Replies 4 · Nov 4, 2008

Replies: 4

Mass with a Charge in side an electric field

shinobi12
Nov 4, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

Nonuniform volume charge density

shinobi12
Nov 4, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

Rotational Dynamics (Rotating pulley)

ritwik06
Nov 4, 2008 · Replies 2 · Nov 4, 2008

Replies: 2

Nonconservative work while swimming

flemj
Nov 4, 2008 · Replies 4 · Nov 4, 2008

Replies: 4

Inclined plane and kinetic energy

marnold1987
Nov 4, 2008 · Replies 2 · Nov 4, 2008

Replies: 2

Potential Difference in an Electric Field

LocationX
Nov 3, 2008 · Replies 3 · Nov 4, 2008

Replies: 3

Angular Velocity of a hamster wheel

lacar213
Nov 4, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

Finding the velocity of an object being pushed up an angular slope

Murph
Nov 4, 2008 · Replies 7 · Nov 4, 2008

Replies: 7

How Do You Convert Cardinal Directions to I+J Vector Form?

#matt#
Sep 28, 2008 · Replies 3 · Nov 4, 2008

Replies: 3

Frictionless pulleys with unknown masses. ATTEMPTED SOLUTION INSIDE

soccerdude28
Nov 3, 2008 · Replies 2 · Nov 4, 2008

Replies: 2

Physics Homework: Moments and Tension

Europa91
Nov 4, 2008 · Replies 2 · Nov 4, 2008

Replies: 2

Baggage Carousel Movement at an Angle

eatingblaa
Nov 2, 2008 · Replies 9 · Nov 4, 2008

Replies: 9

Solve Problem 13: Magnitude of Reaction Force at Pivot

Pakbabydoll
Nov 3, 2008 · Replies 3 · Nov 4, 2008

Replies: 3

Photons striking a metal target

Andrusko
Nov 4, 2008 · Replies 2 · Nov 4, 2008

Replies: 2

Physics project : applications of force,work and power

d3v3st4t10n
Nov 4, 2008 · Replies 3 · Nov 4, 2008

Replies: 3

How Is Work Rate Calculated for a Block Pulled by a Constant Force?

CaptainADHD
Oct 23, 2008 · Replies 8 · Nov 4, 2008

Replies: 8

How Much Force is Needed to Climb a Hill at Constant Speed with Air Resistance?

hemetite
Nov 3, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

Andi, Budi, Rudi: A Square Field Challenge

williamluffy
Nov 4, 2008 · Replies 1 · Nov 4, 2008

Replies: 1

Conservation of energy and centripital force

Megz27
Nov 3, 2008 · Replies 3 · Nov 4, 2008

Replies: 3

Why Is the Current the Same on Both Sides of the Circuit?

bcjochim07
Nov 3, 2008 · Replies 1 · Nov 3, 2008

Replies: 1

Linear and Rotational Kinematics System.

CaptainSFS
Nov 2, 2008 · Replies 5 · Nov 3, 2008

Replies: 5

Physics work problem - mastering physics

Shayna
Nov 3, 2008 · Replies 2 · Nov 3, 2008

Replies: 2

Finding Drag w/ acceleration & Boyant force

swede5670
Nov 3, 2008 · Replies 4 · Nov 3, 2008

Replies: 4

Solving Kinetic Energy Lost in Collision: Help Needed

atandtwire
Nov 3, 2008 · Replies 3 · Nov 3, 2008

Replies: 3

Calculating Hall Voltage with Given Values | Electromagnetism Problem"

jaejoon89
Nov 2, 2008 · Replies 1 · Nov 3, 2008

Replies: 1

Understanding Imax and Qmax in RC Circuits: A Quick Guide

StephenDoty
Nov 3, 2008 · Replies 1 · Nov 3, 2008

Replies: 1

Solving Force on Water Tank Bottom on Mars

12boone
Nov 3, 2008 · Replies 1 · Nov 3, 2008

Replies: 1

Light polarization (lab questions)

Foxhound101
Nov 2, 2008 · Replies 6 · Nov 3, 2008

Replies: 6

Concentric Spheres Capacitance Question- How to use area

swooshfactory
Nov 3, 2008 · Replies 1 · Nov 3, 2008

Replies: 1

Relationship between Period of a pendulum and length

Dynamite
Nov 3, 2008 · Replies 3 · Nov 3, 2008

Replies: 3

The Difference between Acceleration Due to Gravity and the Force Due to Gravity?

AirHendrix
Nov 3, 2008 · Replies 2 · Nov 3, 2008

Replies: 2

Work/Energy: Find Initial Speed of 0.50kg Ball Down Incline

Inertialforce
Nov 3, 2008 · Replies 3 · Nov 3, 2008

Replies: 3

Finding turns per meter in a solenoid

rosstheboss23
Nov 3, 2008 · Replies 1 · Nov 3, 2008

Replies: 1

Escape velocity FROM a satellite in orbit?

vineroon
Nov 3, 2008 · Replies 4 · Nov 3, 2008

Replies: 4

Confusing ROTATIONAL RIGID BODY QUESTION problem conceptualizing

avenkat0
Nov 3, 2008 · Replies 9 · Nov 3, 2008

Replies: 9

Find Tension in Cable for 4.0m Beam w/ 1200N Weight

DH214
Nov 3, 2008 · Replies 1 · Nov 3, 2008

Replies: 1

Intro Physics Homework Help

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