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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Did I Calculate the Molecular Volume Fraction Correctly?
- dg_5021
- · Replies 4 ·
How Do You Solve Thermal Expansion Equations Under Time Pressure?
- Jayhawk1
- · Replies 5 ·
Matrix of linear transformation
- Mathman23
- · Replies 5 ·
Solve Circuit Problems: Readings, P.D., Power Dissipation & More
- Clari
- · Replies 3 ·
Taylor Series for Showing B_{x}(x+dx)-B_{x}(x) Approximation
- retupmoc
- · Replies 3 ·
Temperature Required for Brass Plug and Iron Ring to Fit
- Jayhawk1
- · Replies 2 ·
What is the relationship between Newton's 3rd law and friction?
- al_201314
- · Replies 6 ·
Motion in a Circle: Find Slowest Speed for Roller Coaster
- fern
- · Replies 4 ·
OSMOSIS what do you expect to happen
- dagg3r
- · Replies 1 ·
Checking a chem. questions answer
- laker_gurl3
- · Replies 2 ·
Can You Help Verify My Physics Worksheet Calculations?
- indiansfan4life
- · Replies 8 ·
Calculating Equilibrium Temperature in a Water Mixture
- Tokimasa
- · Replies 13 ·
Find y'' by implicit differentiation
- gillgill
- · Replies 6 ·
Help Needed! Vectors & Planes: Find Unit Vector & Vector v
- ~angel~
- · Replies 9 ·
What is the change in density if the water is heated to 85oC?
- Jayhawk1
- · Replies 2 ·
How Do Permutations and Conjugacy Classes Operate in Symmetric Groups?
- Oxymoron
- · Replies 5 ·
Solving Rotation Problems: Finding Theta and Number of Revolutions
- cde42003
- · Replies 4 ·
Current in Circuit with Emf, Resistor & Capacitor
- swechan02
- · Replies 3 ·
Acceleration and velocity question
- bango
- · Replies 4 ·
Stuck on a Related Rates Triangle Problem
- scorpa
- · Replies 2 ·
Wheel on a game show force problem
- med9546
- · Replies 2 ·
Why does momentum conserve during collision with springs on block B?
- peeks
- · Replies 12 ·
Refraction-Faster then a vacuum
- SwAnK
- · Replies 2 ·
Conservation of Momentum problem needs quick reply
- Byrne
- · Replies 7 ·
What Are the Applications of Trigonometry in Calculus?
- erik05
- · Replies 10 ·
What Is the Correct Sum of the Series \( \sum_{n=1}^\infty \frac{8^n}{9^n} \)?
- ILoveBaseball
- · Replies 12 ·
Electric Potential: Determining Components of Electric Field
- Tom McCurdy
- · Replies 2 ·
Uniformly Charged Cone - Potential Difference
- nd
- · Replies 5 ·
Compton Scattering: Calculating Wavelength from Energy
- Jacob87411
- · Replies 8 ·
Calculate Force on Small Gear from Torque with Pully and Shaft
- Physics_wiz
- · Replies 2 ·
Investigate Neptune: Unravel its Interior Mystery
- relativelyslow
- · Replies 2 ·
Why Is Sqrt(3) Used in Calculating VRMS for Triangle Waves?
- StonieJ
- · Replies 3 ·
Moment of Inertia: Derivations & Work Integrals Explained
- stunner5000pt
- · Replies 2 ·
Is This Series Convergent or Divergent?
- ILoveBaseball
- · Replies 7 ·
How Does Friction Affect a Car's Acceleration on a Curved Track?
- fizz123
- · Replies 7 ·
For people looking to solve/verify an integral:
- ninjagowoowoo
- · Replies 7 ·
Light: Fringes and Interference
- Soaring Crane
- · Replies 9 ·
Expressed all partial derivatives
- Yegor
- · Replies 2 ·
Help Solving Gas Laws Problems in Physics Textbook
- apchemstudent
- · Replies 2 ·
Calculating Force to Keep 2ft Board Horizontal at 30 Degrees
- NoHeart
- · Replies 17 ·
Gauss' Law & 2 Charged Cylinders
- Hoofbeat
- · Replies 3 ·
Solving a Problem on Spring Energy Inclined Plane
- wetcarpet
- · Replies 2 ·
Thermal Processes: Solving P1, V1, P2, V2 and Volume-Pressure Questions
- dalitwil
- · Replies 4 ·
What Are the Correct Answers to These Physics and Optics Problems?
- indiansfan4life
- · Replies 2 ·
Rocket questions, Fundamentals of Physics
- Volcano
- · Replies 2 ·
Having a lot of trouble in thermodynamics
- Tokimasa
- · Replies 8 ·
Box sliding up an inclined plane with constant velocity
- Laurent
- · Replies 2 ·
Verifying Vector Intersection: Two Questions
- Fila
- · Replies 4 ·
I Find This Very Hard Can Somebody Check This Out
- dagg3r
- · Replies 2 ·
Work of friction on a moving box
- igotserv3d
- · Replies 2 ·
What Calculations Are Needed to Convert Steam to Water and Ice to Steam?
- xxiangel
- · Replies 2 ·
Help with Proving Trigonometric Identities
- chase222
- · Replies 2 ·
Circle Theorems: Solving for Unknown Angles in Isosceles Triangles
- grahammm
- · Replies 6 ·
What is the difference between impact force and impulse?
- fork
- · Replies 3 ·
Calculating Distance: 12 kg Object with 24 J Kinetic Energy and 6 N Force
- Nimmy
- · Replies 2 ·
Object at focal point of converging lense
- admajoremdeigloriam
- · Replies 2 ·
Yes, that is the correct equation. F = mg + mv^2/R
- Naeem
- · Replies 2 ·
How to differentiate 2x/(x+y) = y, implicitly?
- gillgill
- · Replies 11 ·
OUNT OF HEAT NEEDED TO CHANGE A SUBSTANCE FROM ONE PHASE TO ANOTHER
- xxiangel
- · Replies 4 ·
Calculating Tension in the Cable to Hold the Moon
- Naeem
- · Replies 2 ·
Can anyone help me out with physics? I dont know what to do (WUL)
- indiansfan4life
- · Replies 4 ·
Calculating v in 0.5mv^2: Right or Wrong?
- UrbanXrisis
- · Replies 19 ·
How to Determine the Center of Mass for a Parabolic Sheet Metal?
- hbomb
- · Replies 15 ·
Sinusoidal Graphs word problem help
- perpetual-burn
- · Replies 6 ·
Integrating e^x/(e^{2x} + 1): Long Division?
- RadiationX
- · Replies 4 ·
Find thermal conductivity of metal in a rod
- confused1
- · Replies 2 ·
Ice cubes added to pool to make it cool enough
- confused1
- · Replies 2 ·
Question on Refraction on diff. Substances
- !Live_4Ever!
- · Replies 2 ·
Preparing for AP Test: Aiming for a 5
- tongos
- · Replies 2 ·
Electic field question - geometry
- flythisforme
- · Replies 3 ·
Double Slit Interference: Wavelength & Central Maximum
- Soaring Crane
- · Replies 7 ·
[COLOR=Navy]Thermal Energy Look Over[/COLOR]:
- joejo
- · Replies 6 ·
Adiabatic Expansion of 2.47 mol Ideal Gas: Final Volume Calculation
- espnaddict014
- · Replies 8 ·
Gravitational potential energy of the moon
- UrbanXrisis
- · Replies 3 ·
Need confirmation on this integration problem
- jzq
- · Replies 6 ·
Object Speed at Infinite Distance from Earth: 1660 m/s
- UrbanXrisis
- · Replies 2 ·
Linear Algebra Quiz Help: Find Canonical Basis & Solution Space Dimension
- JasonJo
- · Replies 2 ·
How does light travel in a vacuum?
- [AFT]
- · Replies 2 ·
Equipartition Theory: Need Help with Gas Problem
- physicsCU
- · Replies 7 ·
Solving Gravitational Field: What Did I Do Wrong?
- UrbanXrisis
- · Replies 5 ·
Solving Calculus Question f(x) | Viet Dao
- VietDao29
- · Replies 4 ·
How Does Friction Impact Mechanical Energy on an Incline?
- Haroon Pasha
- · Replies 2 ·
Analyzing Energy Conservation in a Swinging System
- Giuseppe
- · Replies 4 ·
Analyzing Hookes Law Experiments: Taking it to the Next Step
- hays_scott
- · Replies 5 ·
Gravitational net force of zero
- UrbanXrisis
- · Replies 10 ·
Le Chatelier and eliminating red meat
- joejo
- · Replies 2 ·
Draw a diagram to interpret this equation geometrially as an equality
- DivGradCurl
- · Replies 4 ·
Solving the Spring Work & Energy Problem - Help Needed!
- alcatras
- · Replies 5 ·
Solving a Nuclear Reaction Problem: Alpha Particle & Uranium-232
- josephcollins
- · Replies 2 ·
What is the convergence status of the given sequence and series?
- ILoveBaseball
- · Replies 3 ·
Basic Mechanics: Force Diagram in Elevator & Weight Calculation
- Leaping antalope
- · Replies 8 ·
Finding Friction Force in a 11 kg Sphere
- srhly
- · Replies 6 ·
Understanding Blood Pressure and Heart Rate Variations
- eutopia
- · Replies 5 ·
Archimedes principle and floating slab
- ness9660
- · Replies 7 ·
What is the Distance from Earth to the Moon where Gravitational Pull is Equal?
- UrbanXrisis
- · Replies 8 ·
Solving a Differential Equation: Need Help!
- tandoorichicken
- · Replies 2 ·
Kirchoffs Laws and Thevinen Equivalent
- coldturkey
- · Replies 7 ·
Design Achromatic Lens: Crown & Flint Glass, Focal Length 100cm
- Guji_Gyal
- · Replies 2 ·
Change in energy = the heat absorbed by the calorimeter and the water?
- apchemstudent
- · Replies 2 ·
Rate of rotation and inertia (prevent homicide and help me, please)
- NoHeart
- · Replies 2 ·