Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Solving for Equal Image and Object Height on the Principle Axis | Optics Problem
- JimmyRay
- · Replies 7 ·
Atmospheric Pressure: Why Does It Stay the Same?
- prasanna
- · Replies 2 ·
Find the coefficient of kinetic friction problem
- Tabe
- · Replies 9 ·
Circular Motion of Mass m in a Uniform Plane: Analyzing Forces
- UrbanXrisis
- · Replies 7 ·
Calculating Delta S for a Monoatomic Gas System | Entropy Help
- stunner5000pt
- · Replies 5 ·
Calculating Velocity of a Block Launched by an Ideal Spring
- king_naeem
- · Replies 3 ·
How do I find transformation rotation?
- footprints
- · Replies 5 ·
Did I Get the Laws of Thermodynamics Right?
- PhysicsNovice
- · Replies 11 ·
How can I do this?Calculating Torque on a Dam Gate Hinged at the Water Surface
- gunnar
- · Replies 4 ·
Are Linearly Dependent Vectors Always Dependent in Combinations?
- Chen
- · Replies 15 ·
Is Y(n) a Decreasing Sequence Given Its Definition as an Infimum?
- semidevil
- · Replies 3 ·
How does the spring scale read in different elevator scenarios?
- trixid
- · Replies 3 ·
How Does Momentum Affect Collision Outcomes and Motion on Ice?
- Soaring Crane
- · Replies 4 ·
Rotation: the earth-moon system
- freek
- · Replies 5 ·
How Are Position and Momentum Connected by the Uncertainty Principle?
- CollectiveRocker
- · Replies 8 ·
Help with apparent weight problem
- vee123
- · Replies 4 ·
Why Does a Box Move When I Apply a Force?
- repugno
- · Replies 9 ·
How Is the Maximum Kinetic Energy of Compton Scattered Electrons Calculated?
- niehls
- · Replies 10 ·
Find the magnitude of the force that stops the bullet
- Tabe
- · Replies 3 ·
Roller coaster friction project help
- lidomonkee
- · Replies 2 ·
Free body diagram Homework Problem
- Physically Impaired
- · Replies 2 ·
What is the Domain and Range of y=2(3^x)-1?
- aisha
- · Replies 15 ·
Discovering Horizontal Acceleration: Newton's Law Question Solved
- scan
- · Replies 7 ·
Physics (magnetic) Homework due
- usatkling
- · Replies 4 ·
Convert cos^2 (2t) into Laplace Table Form
- TSN79
- · Replies 4 ·
Magnetism in infinite conducting slab
- daveed
- · Replies 3 ·
Electricity and Magnetism
- soccerjayl
- · Replies 5 ·
Couple of pretty simple liquid q's
- Jacob87411
- · Replies 3 ·
Find the Local Maxima of f(x)=2x^3-3x^2-12x+3
- chjopl
- · Replies 11 ·
Power from Niagra Falls: 1.2x10^6 kg/s Fall of 50 m
- listera
- · Replies 4 ·
What Happens to a Ball Dropped Through a Hole in the Earth?
- Gramps
- · Replies 11 ·
. Simple satellite / rocket seperation problem is my thinking wrong?
- Tschew
- · Replies 2 ·
Calculating Molar Mass of Organic Substance w/ Carbon, Hydrogen & Bromine
- Mathman23
- · Replies 2 ·
Help! Lost in Electrons & Protons: Solving My Homework Puzzle
- MightyMeanie
- · Replies 2 ·
Friction between table and pool ball
- Drey0287
- · Replies 3 ·
What are the typical values of current through
- Mo
- · Replies 2 ·
Copper/Brass Cylinders: Compressive Force & Length Change
- benzimm86
- · Replies 2 ·
Analyzing an Electric Circuit Problem with Resistors and Capacitors
- soccerjayl
- · Replies 13 ·
Spacecraft Question: How Fast to Travel for 2 Days on Earth?
- CollectiveRocker
- · Replies 8 ·
Proving Spin-1/2 Spinors are Eigenvectors to $\hat S^2$
- danja347
- · Replies 2 ·
Newtonian Mechanics: 2 Questions Answered
- Clari
- · Replies 4 ·
How Is the Reaction at the Joint Calculated in a System of Two Uniform Rods?
- ashokmittal
- · Replies 2 ·
Need help understanding problem about Young's double slit
- redshift
- · Replies 2 ·
Projectile Motion Question: Pumpkin Falling from a Moving Truck
- moonpearl
- · Replies 7 ·
Help With Electromagnetic Induction Problem
- ambuj123
- · Replies 2 ·
Designing a Basic Overhead Projector: Physics, Calculus, and Mirrors
- kdinser
- · Replies 2 ·
Solving Omega in Angular Velocity Equations: A Test Prep for Sarah
- sarahowen
- · Replies 3 ·
I'm not sure how to start solving this
- zekester
- · Replies 2 ·
Solving Systems of 2nd Order DE's with Eigenvalues and Eigenvectors
- Spectre5
- · Replies 9 ·
Confusing static equilibrium problem
- barnsworth
- · Replies 2 ·
What fraction of the sign's weight is supported by each rope?
- ek
- · Replies 2 ·
Solving a Population Growth Problem: Finding the Annual Death Rate
- heavyarms
- · Replies 2 ·
Static friction force? mew? do what now?
- star227
- · Replies 6 ·
What Are the Common Misconceptions About Momentum?
- Silimay
- · Replies 5 ·
Here's a question, today I had on my test
- FrostScYthe
- · Replies 2 ·
How Far Can You Safely Walk on a Pole to Rescue a Cat at the Grand Canyon?
- Planckenstein
- · Replies 3 ·
Creative Math Projects: Seeking Grade 11 Ideas!
- Dooga Blackrazor
- · Replies 2 ·
Triangle on a sphere (Schutz, 6.10)
- hellfire
- · Replies 2 ·
Calculating Speed: Lead Sphere & Steel Bolt Collision in Vertical Loop
- zingbang222
- · Replies 2 ·
Linear polynomial least squares
- PhysicPhanatic
- · Replies 6 ·
Why Can't I Solve This Complex Math Equation?
- aisha
- · Replies 5 ·
To what angle does each ball rebound?
- viendong
- · Replies 2 ·
Calculating Rotational Properties of a Rotating Disk
- lucifer
- · Replies 7 ·
Answer: Intensity Outside a 43.5 dB Quieter Room
- chattkis3
- · Replies 2 ·
Tension, vectors and angles, oh my
- moonpearl
- · Replies 4 ·
Calculating Projectile Motion Time and Distance with Angle 37 Degrees
- Drey0287
- · Replies 4 ·
Calculating Apparent Volume and Density: A Geologist's Guide
- tmkgemini
- · Replies 5 ·
Extra Cedit Algebra II Problems (2 of them)
- sportsguy3675
- · Replies 18 ·
Chemistry Help-Types of Chemical Reactions
- Raza
- · Replies 6 ·
Two Extra Credit Rotation Questions
- Jacob87411
- · Replies 6 ·
How to find the Fourier sequence for a function with a period T=2?
- TSN79
- · Replies 12 ·
More energy is needed to walk down stairs than to walk horizontally
- Tabe
- · Replies 4 ·
Solve Half-Life Problem: 80,922 Years
- aisha
- · Replies 12 ·
Decoding encryption with matrices
- Dooga Blackrazor
- · Replies 2 ·
Calculating Force of 29.9kg Barbell Underwater
- SnowOwl18
- · Replies 6 ·
Solve 3^(2x+1)=70 - Is It Possible Without a Graphing Calculator?
- aisha
- · Replies 15 ·
Calculating Moment of Inertia and Angular Motion of Stick
- Naeem
- · Replies 2 ·
Magnetic Force Question Really givin me a heart burn
- saltrock
- · Replies 3 ·
Atomic and Nuclear Radii Evidence: An Overview of Size Scales in Atomic Physics
- briton
- · Replies 2 ·
What Is the Correct Work Done in This Thermodynamic Cycle?
- Lakers08
- · Replies 6 ·
The current balance- an application
- agirlsrepublic
- · Replies 2 ·
Question Regarding Einstein's TSR
- dekoi
- · Replies 2 ·
Programming the TI-83+ SE for Projectile Motion
- Drayakir
- · Replies 2 ·
Simplify fractions of polynomials
- aisha
- · Replies 3 ·
Cyclotron, why do they not use electric fields?
- gillgill
- · Replies 4 ·
Min/Max angle of a force applied to stationary mass.
- pirland
- · Replies 4 ·
Calculate the speed of the block
- gunnar
- · Replies 6 ·
Even Order Groups: Counting Elements of Order 2
- SqrachMasda
- · Replies 2 ·
Rotational Inertia concept help
- Zlex
- · Replies 2 ·
This webpage title could be: Related Rates of Change for Ohm's Law
- kreil
- · Replies 4 ·
Calculate Airplane Weight | Help Solving Problem
- SnowOwl18
- · Replies 6 ·
Figuring Out an Odd Function With Different Parts Along x-Axis: Help Needed!
- TSN79
- · Replies 5 ·
Struggling with Circular Motion & Magnetic Field Questions
- saltrock
- · Replies 5 ·
Question regarding effective resistance
- Sanosuke Sagara
- · Replies 2 ·
How to Demonstrate Hooke's Law with a Spring and Weights
- ramat
- · Replies 5 ·
Classical Mechanics- something bothering me
- Palindrom
- · Replies 2 ·
Odd or Even? Analyzing an Equation
- UrbanXrisis
- · Replies 10 ·
Why rolling is less than kinetic
- prasanna
- · Replies 3 ·
Example of Xn + Yn Limit | Help with Problem
- Trigger
- · Replies 4 ·