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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Determine the ratio of the electron's speed
- lovelylm1980
- · Replies 2 ·
How to find the mass of a conveyor belt so that it doesn't slip
- TSN79
- · Replies 3 ·
How far does the police car travel to overtake the speeding car?
- iamjulius
- · Replies 2 ·
Cp/Cv Value for Water Vapor and Hydrogen Gas at 2755 K
- ZA
- · Replies 3 ·
Gauss's (hard to understand) Law
- physics noob
- · Replies 7 ·
Solve Questions on y=x^2 ln x and f(x) = xe^x
- bengalibabu
- · Replies 4 ·
How Do You Calculate the Derivative of y = a log10(x) + B?
- roboredo
- · Replies 14 ·
Recursive integration physics problem
- DanielCar
- · Replies 10 ·
Finding loci from real and imaginary parts of log((z-ia)/(z+ia))
- Benny
- · Replies 6 ·
What is the substitution for y in ln(x+y) = e^3x?
- punjabi_monster
- · Replies 6 ·
How do I properly bound the area between polar curves?
- itzela
- · Replies 5 ·
Find Stretch of Each Spring After Cutting 100-Coil Spring
- huskydc
- · Replies 4 ·
Find dy/dx of (cos x)^(sin x) using log differentiation
- bengalibabu
- · Replies 12 ·
Calculating Torque of Hinges on a Door with Multiple Forces
- frozen7
- · Replies 11 ·
Is there an x such that e^x = 0?
- punjabi_monster
- · Replies 3 ·
Acceleration of the center of mass of this cylinder
- sterlinghubbard
- · Replies 3 ·
Solving Acceleration of Blocks on Incline
- huskydc
- · Replies 10 ·
Compressed spring and Hooke's law
- Gashouse
- · Replies 4 ·
What is the relationship between wind velocity and drag?
- ponjavic
- · Replies 3 ·
Momentum of biker dragging foot
- StotleD
- · Replies 3 ·
Change of variables to find integral of x²+y² over region B
- rocket
- · Replies 9 ·
Peak voltage across RLC series circuit with capacitor and coil
- Clari
- · Replies 2 ·
What Are the Eigenfunctions and Eigenvalues of a 2D Harmonic Oscillator?
- cyberdeathreaper
- · Replies 12 ·
Carbon-14 decay after 12000 years with 32g initial amount
- joejo
- · Replies 30 ·
How do I calculate mean error from standard deviation?
- smither777
- · Replies 2 ·
Solve Simple Square Roots: (-6)^1/2 x (-7)^1/2 = (42)^1/2
- frozen7
- · Replies 3 ·
What is the Kinetic Energy of an Electron Accelerated Through 400V?
- hotstuff
- · Replies 2 ·
When will PEI population exceed Newfoundland's?
- joejo
- · Replies 17 ·
Adding/subtracting moments of inertia
- jmf322
- · Replies 2 ·
How Does a Perturbation Affect Energy Levels in an Infinite Potential Well?
- cyberdeathreaper
- · Replies 4 ·
Mixture Problem (differential equations)
- Beez
- · Replies 9 ·
Solving Y=\sqrt{x}(x-1) Derivitive
- cscott
- · Replies 9 ·
Solving "ydx - \left( {x + y^3 } \right)dy = 0" with an Integrating Factor
- Benny
- · Replies 10 ·
Finding the composite function g(f(x)) with linear and radical functions
- Aprilshowers
- · Replies 2 ·
What is magnetic and electric flux conceptually?
- Celestiela
- · Replies 6 ·
Are Equipotential Surfaces Around Parallel Wires Really Circular Cylinders?
- rachmaninoff
- · Replies 5 ·
What is the Correct Determinant for a Misprinted Matrix?
- plucker_08
- · Replies 8 ·
Aircrafts Staying Level in Upside Down Flight: How Is It Possible?
- gunblaze
- · Replies 3 ·
Average energy of gas of fermions at T = 0
- Henk
- · Replies 2 ·
Power in delevering electricity to a factory
- melissa_y
- · Replies 2 ·
Why does water have a higher melting point than other group 4 hydrides?
- andyman20
- · Replies 4 ·
What Is the Temperature at the Interface of Lead and Copper Rods in Series?
- Lalasushi
- · Replies 2 ·
Electric field at corner of square with charges on other corners
- DAP1MP13
- · Replies 9 ·
Determine the time it take for the car and the truck to meet
- Arden
- · Replies 5 ·
How do I find the mass of a spherical gas cloud with varying density?
- cronxeh
- · Replies 3 ·
Understanding Transition btwn Steps of Dirac Delta Function
- cyberdeathreaper
- · Replies 2 ·
Flux of F=(x, y², -z) through unit sphere using divergence theorem
- cronxeh
- · Replies 12 ·
A few questions about water pressure, temp, and sound
- Scirel
- · Replies 2 ·
Differential equations on mathematica
- Rafique Mir
- · Replies 2 ·
Finding the charge inside and outside a metal shell
- mr_coffee
- · Replies 8 ·
Why is the magnitude of the electric field equal in all cases?
- mr_coffee
- · Replies 7 ·
Solving Puzzle of Limit of Integral: $\frac{2e^{-i\alpha x}}{1+\alpha^2}$?
- TOKAMAK
- · Replies 4 ·
How do I derive the formula d = 1/2(g)(t^2)?
- Omar.Castillo
- · Replies 4 ·
Electromagnetic waves - antennas
- evan4888
- · Replies 3 ·
Why Is (A^{T}A)^{-1}A^{T}=A^{-1}(A^{T})^{-1}A^{T}=A^{-1} Incorrect?
- Yegor
- · Replies 4 ·
Solving the differential equation d²f/dφ² = qf(φ)
- cyberdeathreaper
- · Replies 5 ·
What's Wrong with My Ball Throw Calculations?
- frozen7
- · Replies 4 ·
Determining an electric field in vector form, got the answer, just checking.
- mr_coffee
- · Replies 2 ·
What is the time needed for A to move 50cm downward?
- frozen7
- · Replies 4 ·
How Do You Simultaneously Diagonalize Two Commuting Hermitian Operators?
- blanik
- · Replies 7 ·
Electric field inside conductors and cavities
- nutzweb
- · Replies 3 ·
Minimum antireflective coating thickness for blue light on glass
- Jodi
- · Replies 2 ·
Water depth in conical pond with evaporation
- DivGradCurl
- · Replies 2 ·
Difference between a short circuit and a parallel circuit?
- primarygun
- · Replies 10 ·
How Do You Plot the Graph of a Function with Given Derivatives and Asymptotes?
- punjabi_monster
- · Replies 6 ·
C Understanding Time Dilation: The Observable Property of Space-Time
- yack
- · Replies 4 ·
Equation satisfied by nth roots of unity
- Benny
- · Replies 3 ·
Why do concave mirrors produce real or virtual images but convex mirrors only virtual?
- shorty_47_2000
- · Replies 3 ·
How do I derive the formula for free fall displacement?
- Omar.Castillo
- · Replies 6 ·
Finding and approximation for Planck's constant ( H )
- timethyfx2
- · Replies 2 ·
Proving Linear Operators: Commutator Relationships
- blanik
- · Replies 2 ·
How is potential energy related to orbits of satellites?
- HeatherH
- · Replies 2 ·
Minimizing CHEMIX production cost with linear programming
- iNCREDiBLE
- · Replies 2 ·
Magnus force and boundary layer equations
- ponjavic
- · Replies 3 ·
Does torque do work on rotating objects?
- ponjavic
- · Replies 2 ·
Physics resources for finding extraterrestrial life project
- twistedlink
- · Replies 2 ·
Three charged spheres suspended from a point forming an equilateral triangle
- kidd
- · Replies 10 ·
How Do Rectangles Collide on an Orthogonal Plane with Given Velocities?
- r4nd0m
- · Replies 2 ·
Velocity of .30 Cal Rifle After Firing a Bullet
- StotleD
- · Replies 7 ·
Calculating Average Speed of a Tapir
- StotleD
- · Replies 2 ·
How Does Momentum Conservation Determine Velocities in Collisions?
- StotleD
- · Replies 2 ·
How Does Matrix Rank Relate to Vector Independence and Dimensionality?
- physicsss
- · Replies 2 ·
Finding a, b, c from inflection point at origin and local maximum at (2,4)
- bengalibabu
- · Replies 14 ·
How does escape velocity vary with an object's mass?
- sundeepsingh
- · Replies 11 ·
What is the force exerted by an oak tree on a jogging person after collision?
- StotleD
- · Replies 2 ·
Easy problem still wrong answer
- melissa_y
- · Replies 4 ·
How to Calculate Potential Energy and Power Output of a Falling Mass
- pmfinnegan2
- · Replies 4 ·
How Do You Calculate Stopping Distance Using Conservation of Mechanical Energy?
- pmfinnegan2
- · Replies 5 ·
Are These Properties of Odd Functions True?
- h_k331
- · Replies 3 ·
Ranking 4 numbered points according to net electric field
- mr_coffee
- · Replies 6 ·
Statistical differentials approximation for product Z = XY
- irony of truth
- · Replies 5 ·
Solving a Growing Tree Problem with dy/dx=x/10
- noslen
- · Replies 6 ·
Maximum force before penguin slides off sled
- sundeepsingh
- · Replies 5 ·
How Do You Calculate the Probability of Both Picking a Red Jelly Bean?
- ms. confused
- · Replies 4 ·
Linear programming equation problem
- iNCREDiBLE
- · Replies 2 ·
How to calculate the distance a car skids before coming to a halt?
- frozen7
- · Replies 7 ·
Can one predict an outcome over (n) spins?
- RoundWheel
- · Replies 3 ·
Find magnitude and direction of electric field from a charge
- Linco
- · Replies 3 ·
How do you do this? Probability
- ms. confused
- · Replies 2 ·
Oscillations of 1.5 kg Block on Spring: Frequency and Stretch
- Dooga Blackrazor
- · Replies 2 ·