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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Acoustic Principles: Exercises & Solutions for Exam Preparation
- Sarah_L
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Solve AMC Test Question: Find A, M, and C
- cdhotfire
- · Replies 10 ·
Proving the Algebraic Nature of Root 3 + Root 2 Using Polynomial Expressions"
- lokisapocalypse
- · Replies 13 ·
Binomial Series Help: Expansion and Coefficients Explained | 1-x^-^3 Question
- misogynisticfeminist
- · Replies 7 ·
How Does Photon Angular Momentum Influence Zeeman Effect Observations?
- secret2
- · Replies 1 ·
What Are the Van der Waals Constants for Sulfur Hexafluoride (SF6)?
- diegojco
- · Replies 2 ·
Questions about Hund's Rules and L-S Coupling
- secret2
- · Replies 2 ·
Did the Last Sip of Tea Heat the Ocean?
- rwh
- · Replies 3 ·
Hi 2 Every1 Can Some1 Please Plaz Help Me?
- SAIRA123
- · Replies 2 ·
Optics Problem: What am I doing wrong?
- xenogizmo
- · Replies 5 ·
Proving the Irrationality of √3 and Other Non-Perfect Square Roots
- courtrigrad
- · Replies 25 ·
A system with varying mass - a rocket
- Eus
- · Replies 7 ·
Calculating Resonant Frequency of a Bridge with Added Support
- Haftred
- · Replies 2 ·
How Does Compressing a Spring Store and Release Energy?
- clh7871
- · Replies 2 ·
Electric field strength (should be easy)
- FrogPad
- · Replies 2 ·
Help Challenging rolling ball problem ahead
- sebasalekhine7
- · Replies 5 ·
What Happens if Electrons and Protons Had Different Charges?
- Gale
- · Replies 16 ·
How Do You Calculate Charge and Tension in Hanging Charged Balls?
- NotaPhysicsMan
- · Replies 16 ·
About to take an exam and I STILL dont understand banked curve questions.
- DLxX
- · Replies 2 ·
Buoyant forces on hot-air balloon
- franklyn
- · Replies 2 ·
Block falls on Spring Work and Speed
- BlasterV
- · Replies 2 ·
How Does a Positron Behave in a Penning Trap?
- stunner5000pt
- · Replies 2 ·
Solving Nonideal Voltmeters with R_V, r, and E
- evilempire
- · Replies 2 ·
Calculating Tension and Acceleration in a Pulley System with Friction
- ndwiseguy
- · Replies 8 ·
Centripital Acceleration question
- DLxX
- · Replies 2 ·
How Do I Solve Complex Trigonometric Identities?
- Cabal
- · Replies 2 ·
Calculating Average Acceleration of a 747 Airplane
- dg_5021
- · Replies 5 ·
The Mystery of Darrell Griffith's Standing Vertical Jump
- SteveVer256
- · Replies 2 ·
How do you calculate the force of friction on an inclined plane
- Gogsey
- · Replies 19 ·
Is Using a Catapult on an Asteroid a Viable Propulsion Method?
- Dmt669
- · Replies 3 ·
Oblique Triangle and the Law of Cosines: Solving for Change in Piston Rate
- courtrigrad
- · Replies 4 ·
Question Concerning Chemistry Model
- courtrigrad
- · Replies 8 ·
Poisson distribution question
- semidevil
- · Replies 1 ·
What Could an Unconventional Physics Exam Question Look Like?
- dekoi
- · Replies 5 ·
Solving Physics ISU: Electricity & Magnetism Qs - Just Double Check
- altrez
- · Replies 2 ·
Hopefully someone will help me - Analysis Problems
- AKG
- · Replies 3 ·
Rotational Motion. Apparently, I have no idea what I'm doing.
- baby_bunny_bee
- · Replies 2 ·
Velocity as a Function of position
- Drey0287
- · Replies 2 ·
Uniform Circular Motion of a ball
- jewel203
- · Replies 2 ·
Why is L the angular momentum
- hun_nomin
- · Replies 3 ·
Some random questions on homework.
- Zoe
- · Replies 3 ·
How Do You Calculate the Equation of an Ellipse for Specific Scenarios?
- JeNNeHJo
- · Replies 5 ·
Angular Acceleration and a grindstone
- bamalam
- · Replies 2 ·
How Much Force Did Jean Valjean Need to Climb the Walls in Les Miserables?
- bob5000
- · Replies 5 ·
Oval Track Motion: Velocity Vectors G and H
- khf
- · Replies 1 ·
How Do You Integrate sqrt(x^2 - 9) for Hyperbola Area Calculation?
- sporff
- · Replies 10 ·
How Do You Calculate Vector Components of Velocity?
- shawonna23
- · Replies 2 ·
Potential Due to collection of point charges
- GingerBread27
- · Replies 4 ·
Can anyone recommend a good calculus review?
- pt176900
- · Replies 2 ·
Is the Solution to This Differential Equation Unique?
- stunner5000pt
- · Replies 2 ·
Solving Pressure Question: Volume, Mass of Air @ 70F & 200psi
- Frustra8ed
- · Replies 3 ·
How Can a Pilot Adjust Course for Wind to Maintain a Westward Path?
- CaptainofIron
- · Replies 2 ·
OUNT OF TIME IN SECONDSHow far will the accelerating car overtake the truck?
- Gary King
- · Replies 7 ·
How to Calculate the Frequency of Lightwave at 500nm Wavelength
- Grandor
- · Replies 6 ·
Momentum and radiation pressure
- nemzy
- · Replies 2 ·
Tune Radio to 5.30 MHz with 1.04 µH Inductance
- nemzy
- · Replies 4 ·
Friction Help: Calculating Force & Coefficient
- tobyguy
- · Replies 12 ·
New to physics - throw me a bone here
- Grandor
- · Replies 11 ·
Find the distance the particle travels
- ProBasket
- · Replies 4 ·
Solving Int. sin(9x)sin(16x)dx w/o Multiple Angles
- ProBasket
- · Replies 4 ·
What is the distance between the cliffs?
- Bri
- · Replies 2 ·
PLease help for differential equation
- stunner5000pt
- · Replies 2 ·
What is the magnitude of the charge inside the box?
- azazelis
- · Replies 2 ·
Solving Physics Equation: "v=m1v1+m2v2/(m1+m2)"
- UrbanXrisis
- · Replies 3 ·
How do I solve for the value of areal density given the mass and radius?
- Deeviant
- · Replies 2 ·
Electric field on a point charge
- Electro
- · Replies 2 ·
How Do You Calculate Initial Speed and Acceleration of a Decelerating Truck?
- VeeVee151
- · Replies 2 ·
What Are the Spring Constant and Mass in This SHM Problem?
- foggy
- · Replies 2 ·
Two Questions -> Speed of Light
- Kawrae
- · Replies 2 ·
How do related rates apply to circles, rectangles, and spheres?
- courtrigrad
- · Replies 6 ·
Shaving Cream in a Vacuum project
- Bissli
- · Replies 2 ·
Getting an A in Physics: Tips for Starting from Scratch
- SnitchSeekaHarry
- · Replies 2 ·
Where Can I Find a Comprehensive Solved Problem Resource for Modern Physics?
- mike217
- · Replies 2 ·
Grade 11 Physics Help: Solving 3 Challenging Questions for Your Exam Tomorrow
- leafs rule
- · Replies 6 ·
Reflection in Mirrors AAARRRGHHHH
- Kawrae
- · Replies 2 ·
Formulas for Copper (II) Chlorate
- seve
- · Replies 10 ·
Calculating Total Power of Heaters Connected in Series
- figs
- · Replies 6 ·
How Do Trigonometric Identities Derive from Basic Formulas?
- aisha
- · Replies 2 ·
Projectile Motion(difficulty level-7)
- XtremeChic4
- · Replies 2 ·
Force problem for elastic stretch
- hackerdiety03
- · Replies 3 ·
What are the sign conventions for force in physical chemistry?
- hackerdiety03
- · Replies 3 ·
Coefficient of Sliding Friction Lab
- vitaly
- · Replies 2 ·
Simplifying (root 18 + root 12) / (root 8 - root 96) with p & q
- Gughanath
- · Replies 6 ·
Could someone verify my answers?
- Matt.D
- · Replies 11 ·
How can I solve these mirror problems without getting the wrong answer?
- Kawrae
- · Replies 5 ·
Related Rates of a triangle angle
- courtrigrad
- · Replies 5 ·
What is the speed of water waves?
- jai6638
- · Replies 15 ·
Calculating Thermal Efficiency: Is There More to Consider?
- togepyamy
- · Replies 2 ·
Troubleshooting MergeSort: Fixing the 'Mege is undefined' Error
- courtrigrad
- · Replies 2 ·
Acceleration and constant speed question
- dbzsongoku
- · Replies 8 ·
I have a few questions for my Phys Lab
- scissors
- · Replies 12 ·
Trignometric identities question
- tempeste
- · Replies 5 ·
Why Does Graphing and Completing the Square Give Different Maximum Heights?
- Markd
- · Replies 2 ·
Scuba Diving and Ideal Gas Law
- Soaring Crane
- · Replies 5 ·
Verify Physics Theory Overnight - Urgent Help Needed
- NeoVision
- · Replies 2 ·
Vector operations in polar coordinates?
- Coeyo
- · Replies 2 ·
Solving Vector Problems: Need Help Figuring it Out
- gokugreene
- · Replies 2 ·
How does the density of fuel affect the efficiency of an engine?
- NeoVision
- · Replies 2 ·
Gravitation Potential Energy Help
- krypt0nite
- · Replies 8 ·