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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Problem with photoelectric effect
- ant284
- · Replies 4 ·
Can Time Travel Ethics and Black Hole Physics Coexist?
- eastsidecrew
- · Replies 2 ·
How Do You Calculate X-Ray Wavelength and Radioactive Decay?
- dagg3r
- · Replies 5 ·
Intensity of radiation at different distances from source
- dagg3r
- · Replies 8 ·
How to Solve This ODE Using Mathematica?
- hhegab
- · Replies 3 ·
How can I solve light and sound wave problems?
- JM2107
- · Replies 3 ·
Whats the materials specific heat capacity?
- Dx
- · Replies 4 ·
What is the Formula for the Doppler Effect?
- Blueice88
- · Replies 5 ·
Revision techniques and staying calm for GCSE Physics exam
- Viper
- · Replies 3 ·
What are the main concerns about nanotechnology research?
- The Grimmus
- · Replies 6 ·
Calculating Tidal Patterns in a Harbour
- chense
- · Replies 3 ·
Finding Distance from a Crash with Asymmetric Hearing
- PiRsq
- · Replies 4 ·
Two Converging Lense Questions
- JM2107
- · Replies 4 ·
Two positive point charges Q are held on the x-axis at x = a and at x = -a
- S.P.P
- · Replies 2 ·
Pendulum with string hitting a peg: height conservation and circular motion
- discoverer02
- · Replies 6 ·
Finding Tension and Forces in a Torque Diagram
- Poutine
- · Replies 3 ·
Where can I find small MIPS programmes for learning and practice?
- Adam
- · Replies 2 ·
Here's something to tickle your painstaking calculation-bone with
- KillaMarcilla
- · Replies 2 ·
Circular Motion of a car Problem
- discoverer02
- · Replies 11 ·
Conservation of Mechanical Energy Question.
- Azrioch
- · Replies 1 ·
Power series expansion for Laplace transform
- Will
- · Replies 5 ·
How Does Kinetic Energy Affect Velocity Changes in Space?
- SEG9585
- · Replies 10 ·
Ok, I got an impulse problem here
- alberto
- · Replies 7 ·
Solving a non-homogeneous PDE with Bessel functions and separation of variables
- Pauly Man
- · Replies 11 ·
Wavelength, frequency, and speed of a Standing wave.
- Jenn_Lane2001
- · Replies 4 ·
Engine Questions - Get Answers for Your Car Troubles
- xyz
- · Replies 4 ·
So I was given this physics project to do as a final ISU project. Engineers onl
- simms
- · Replies 7 ·
How Do You Solve Problems Involving Geometric Sequences and Series?
- Astronomer107
- · Replies 5 ·
Why does a text become blurred, looking at it through a polyethylene film?
- timxtreme
- · Replies 2 ·
How to find the electric field inside a conducting wire
- KillaMarcilla
- · Replies 7 ·
How Do You Calculate Phase Difference and Minimize Sound Between Two Speakers?
- Jenn_Lane2001
- · Replies 5 ·
Trying to solve a harmonic motion problem
- gnome
- · Replies 2 ·
Angular velocity uniform rod problem
- Poutine
- · Replies 3 ·
Determining Wave Direction using Doppler Effect
- tinksy
- · Replies 3 ·
How High Does an Arrow Reach if Shot at 46m/s?
- PiRsq
- · Replies 5 ·
How to Find Logarithmic Equations from Points and an Asymptote?
- Cummings
- · Replies 6 ·
How Do Quantum States Combine in Spin and Orbital Angular Momentum?
- positron98
- · Replies 3 ·
How to Calculate Total Force on a Charge at the Center of Curvature?
- mateoguapo327
- · Replies 3 ·
Background on Rayleigh dissipative function
- eureka
- · Replies 2 ·
Integration of x² √(9-x²) using trigonometric substitution
- Einstein
- · Replies 2 ·
Program to simulate the effects of a golf shot accurately
- mchugh
- · Replies 2 ·
What is the Magnetic Flux Through the Sixth Face of a Die?
- jgc139
- · Replies 2 ·
How high will he swing off the ground?"
- Moogle
- · Replies 6 ·
Solving an Algebra Problem: Imaginary Numbers
- Artman
- · Replies 12 ·
Work, energy, and power in four grade 11 problems
- scope
- · Replies 5 ·
How Do Maglev and Inductrack Trains Operate?
- Brownie
- · Replies 9 ·
Transformers in Physics: Boosting Voltage Without Current?
- Rockazella
- · Replies 9 ·
Arrrgh sliding friction problem
- alberto
- · Replies 2 ·
Thermal conductivity of stainless steel
- xyz
- · Replies 4 ·
Why is steel a better heat conductor than wood?
- xyz
- · Replies 2 ·
The real question in real world
- xyz
- · Replies 4 ·
Solve 3-7i/2+3i: Imaginary Numbers
- Echo 6 Sierra
- · Replies 7 ·
Real numbers satisfying a²+b²+ab=3c² and non-negative integer solutions to 2x+y+z=20
- mercury
- · Replies 9 ·
What is the difference between a refrigerator and a heat engine?
- dav2008
- · Replies 4 ·
Fundamentals of physics book solutions
- hhegab
- · Replies 4 ·
Finding time for air drag projectile at 45 degrees
- Matt Jacques
- · Replies 2 ·
Solving the Merry Go Round Problem Using Conservation of Angular Momentum
- phy21050
- · Replies 5 ·
How far does the train travel during its acceleration phase?
- dynamic998
- · Replies 5 ·
How scientists are able to identify the elements in a star
- dynamic998
- · Replies 8 ·
How the game of baseball can be modifyed in order to be played on the moon.
- cherry2189
- · Replies 3 ·
Body heat loss by radiation at 30°C with 1.20 m² surface area
- Jenn_Lane2001
- · Replies 5 ·
Why does sin(refracted angle) exceed 1 at 47° incidence from n=1.4 to air?
- steppenwolf
- · Replies 6 ·
Determining the Equal Increase in Length of Two Fixed Rods Under Applied Forces
- mercury
- · Replies 2 ·
Where Can I Find Open Loop Dynamic Process Data?
- Greg Bernhardt
- · Replies 4 ·
What is the tension force of the rope in this physics problem?
- F|reWa||
- · Replies 2 ·
When you transform a double integral that goes over a set
- vacuum
- · Replies 2 ·
Why Is the Angle Opposite the Shorter Side Smaller in a Triangle?
- steppenwolf
- · Replies 3 ·
Circular Motion rubber stopper lab
- g4orce
- · Replies 2 ·
Solving the Problem of Descending Balloons
- discoverer02
- · Replies 5 ·
What fraction of the sign's weight is supported by each string?
- decathlonist
- · Replies 2 ·
How Is the Center of Gravity Calculated for a Non-Uniform Rod?
- decathlonist
- · Replies 2 ·
How to Solve a Trigonometry Triangle Question Using Cosine and Sine Functions
- mercury
- · Replies 2 ·
Ideas for a physics article topic at second-year level
- ottjes
- · Replies 3 ·
Why Did the Magnetic Slug Fall Slower in the Copper Tube Experiment?
- babycat
- · Replies 5 ·
Newton's Law question -> Tension
- nguyentech
- · Replies 2 ·
Understanding Forces in Action: Solving a Physics Resolution
- EdZ
- · Replies 6 ·
A Physics Question. No calculations Involved here. General Theory Type
- Fenix
- · Replies 10 ·
Planet 8 times farther from sun than Earth: orbital period?
- tinksy
- · Replies 4 ·
Polynomial Problem: Solving for Radius of Gas Tank Volume
- mouseman
- · Replies 6 ·
Ow is velocity independent of mass
- phy21050
- · Replies 2 ·
Solving Problems with Thevenin: Is My Teacher Wrong?
- ottjes
- · Replies 9 ·
AC circuits with resistor/inductor/capacitor
- anonymous613
- · Replies 2 ·
Calculating Circuit Resistance: Regular Hexagon Wire with Diagonal Resistance
- mercury
- · Replies 3 ·
Ship Bombardment: Calculating Angles at 1800m
- discoverer02
- · Replies 6 ·
How Do You Solve This Cube Physics Problem?
- cbaker
- · Replies 2 ·
The limit Sin[ Sin[x] ] / x as x->0
- suffian
- · Replies 10 ·
Newton's Second Law and a bathroom scale
- nguyentech
- · Replies 7 ·
Which Argument Makes a More Persuasive Essay Topic?
- RuroumiKenshin
- · Replies 15 ·