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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How would one label power? Is it in Newtons?
- scienceiscool
- · Replies 3 ·
Artificial satellite velocity (around the earth)
- bullroar_86
- · Replies 2 ·
Prove only using Fourier Series
- Oxymoron
- · Replies 11 ·
Ideal Mechanical Advantage of a Lever with 65N Force and 60/10 cm Arms
- billnyerocks
- · Replies 3 ·
Solving Rydberg's Equation for an Unexcited Hydrogen Atom
- scorpa
- · Replies 2 ·
How Do You Calculate the Amount of Each Ingredient Needed to Make Gunpowder?
- b14him88
- · Replies 3 ·
Direct comparison test for convergence
- RadiationX
- · Replies 3 ·
Understanding the Relationship between Frequency and Period in Physical Motion"
- bjon-07
- · Replies 4 ·
Understanding Forces on a Wire in a Magnetic Field for Beginners
- lightuplightup
- · Replies 2 ·
Comparing Periods of Satellites in Orbit Around a Planet
- bullroar_86
- · Replies 6 ·
Can a Sound Mill Harness the Power of Sound Waves?
- Amroth
- · Replies 7 ·
How Far Will the Spring Stretch Beyond Equilibrium in Its First Swing?
- Joyce
- · Replies 2 ·
Suppose a small coin is on a flat horizontal rotating turntable
- bullroar_86
- · Replies 15 ·
A QM problem on finding eigenvalues
- skpang82
- · Replies 34 ·
How Do You Calculate Molecule Spacing and Quantity Using the Ideal Gas Law?
- destinee20
- · Replies 2 ·
Kinetic energy when a object is dropped from certain distance
- Nikola Tesla
- · Replies 3 ·
Calculating Velocity of Identical Charges with Fixed Distance: 3877 m/s
- TrippingSunwise
- · Replies 6 ·
Derivative of Electromagnetic Field tensor
- Theraven1982
- · Replies 6 ·
How to Calculate the Kinetic Energy of a Photon Using the de Broglie Hypothesis
- zcapa14
- · Replies 5 ·
Assume that the earth is perfectly round
- bullroar_86
- · Replies 2 ·
Finding The Identity of Unknowns
- don123
- · Replies 2 ·
A question regarding efficiency of pulleys
- Nikola Tesla
- · Replies 8 ·
Please, I need someone to check this
- indiansfan4life
- · Replies 2 ·
Question regarding matrix multiplication
- Mathman23
- · Replies 4 ·
Pre-Test on Trigonometric Equations and Applications
- Lucretius
- · Replies 13 ·
QED : Momentum of the photon-field
- Kalimaa23
- · Replies 6 ·
Prove \sin(\alpha+\beta)<\sin\alpha+\sin\beta: Intuition & Proof
- Kamataat
- · Replies 2 ·
How Do You Calculate Impulse When a Satellite Changes Direction?
- ][nstigator
- · Replies 2 ·
How Much Steam is Needed to Raise Water Temperature from 20°C to 50°C?
- cogs24
- · Replies 2 ·
Designing a Physics Lab: Help with Semester Project | Tips and Ideas
- USA-PV
- · Replies 2 ·
How High Will Water Shoot from a Broken Vertical Pipe?
- thegreatone
- · Replies 2 ·
How do acids and bases interact in a buffer solution?
- laker_gurl3
- · Replies 2 ·
Solving ODE Problems with e^{2s} + 2e^s +2 = 0
- tandoorichicken
- · Replies 2 ·
Summing Up a Non-Geometric Series: Is It Possible?
- RadiationX
- · Replies 6 ·
Can You Solve These Grade 11 Trigonometry Problems?
- Raza
- · Replies 11 ·
Electric Potential and a capacitor
- Jodi
- · Replies 2 ·
Calculate Acceleration of Car: 1600m in 0.125s
- ProBasket
- · Replies 2 ·
Quick Integration Question w/ e
- Weather Freak
- · Replies 3 ·
Question regarding physical optics - (plane-polarized light)
- Sanosuke Sagara
- · Replies 3 ·
Question regarding physical optics - (thickness)
- Sanosuke Sagara
- · Replies 5 ·
Integration by trig. substitution
- mad
- · Replies 5 ·
2 questions in Electric and magnetic fields in space.
- convict11
- · Replies 2 ·
How Do You Integrate ae^(a^u) with Respect to u?
- Chaz706
- · Replies 2 ·
Stuck on Calculus Integrals: What Should I Do Next?
- scorpa
- · Replies 3 ·
Could the Green Goblin's Grip Overcome Static Friction on the Bridge?
- DKirby
- · Replies 2 ·
What Causes the Pitch Changes in a Spinning Twirler Toy?
- hulkster
- · Replies 6 ·
Ice melting because of a candle burning?
- Nikola Tesla
- · Replies 4 ·
Integrating 1/-(x-2) and 1/(x-2) - What To Do?
- cmab
- · Replies 2 ·
If the tides on earth one meter high how far away is the moon?
- bjon-07
- · Replies 9 ·
Understanding Polarisation of Light: Dextrorotary vs Laevorotary Explained
- charlee
- · Replies 2 ·
Calculating Football Volume with Shells Method - Calc Quest
- courtrigrad
- · Replies 4 ·
Differentiate the exponential function
- monkeyass
- · Replies 2 ·
Algebra 2 Help: Need to Find Value of 'a' for Exponential Function
- racheluckhardt
- · Replies 3 ·
How Can 12 People Meet Each Other at Three Tables Over Five Days?
- Xamfy19
- · Replies 2 ·
Not sure how to do this temp and freq problem
- xxiangel
- · Replies 3 ·
Project on the Lorentz Fitzgerald contraction
- physics4ever
- · Replies 2 ·
Siren Wavelength for Car Travelling North at 29.4 m/s
- srhly
- · Replies 2 ·
Lenses: If given object height and focal length, is it possible to calculate
- Byrne
- · Replies 4 ·
Triangle & Rectangle Area Calculator: Find Solutions for x and y with exponents
- mathelord
- · Replies 2 ·
Why does the sound in a glass chnage as your fill it up with water?
- hulkster
- · Replies 12 ·
Potential due to point charges
- crazy student
- · Replies 5 ·
Why Is the Inverse Laplace Transform of This Function 2e^{-t} - e^{-2t}?
- cyberdeathreaper
- · Replies 5 ·
Calculating Incline Distance for a Rolling Sphere | Review Questions Answered
- cde42003
- · Replies 14 ·
A typical thermodynamics question
- tony_engin
- · Replies 4 ·
E&M fields of a moving point charge
- meteorologist1
- · Replies 1 ·
Exam study - help a brother out (diff etc)
- Danielll
- · Replies 3 ·
How Do Recursion Formulas Work in Mathematics?
- skrying
- · Replies 6 ·
Intersection of Lines & Planes: Find Point?
- EvaBugs
- · Replies 9 ·
Build a Battery-Powered Dragster - Physics Project Help
- midcourtassassin
- · Replies 2 ·
How Do You Calculate Maximum Angular Acceleration of a Pendulum?
- UrbanXrisis
- · Replies 2 ·
Hand-Drawing a Line Graph: Tips for a Scientific Lab
- heather002
- · Replies 2 ·
Finding the Original Frequency of a Vibrating Tuning Fork
- Haftred
- · Replies 2 ·
How Do Mechanics and Statics Problems Calculate Movement and Force?
- blackbody
- · Replies 3 ·
What Are the Inner and Outer Radii of y=arccos(x)?
- cmab
- · Replies 2 ·
What is Gauss's Law? | Simple Explanation for High Schoolers
- elevated
- · Replies 6 ·
Solving Convert & Vector Equations: Cartesian, Polar, Push Ball
- Apophis
- · Replies 2 ·
Entropy Calculation: Q/T & Ideal Gas Equation
- tony_engin
- · Replies 16 ·
Circle Equation Help: Finding the Area and Angle Using the Cosine Rule
- roger
- · Replies 13 ·
Related Rates: Finding the Rate of Change of Liquid Height in a Draining Tank
- gillgill
- · Replies 16 ·
How Do You Calculate the Sum of Specific Mathematical Progressions?
- courtrigrad
- · Replies 2 ·
General question about convergence of series
- RadiationX
- · Replies 4 ·
Proving Measurability and Zero Area for Finite Sets in a Plane
- courtrigrad
- · Replies 2 ·
Maths Problem Help: Balance Due on 30-Year Mortgage After 8 Years
- IB
- · Replies 3 ·
What is the moment experience by each hinges?
- adiputra
- · Replies 7 ·
Question on electrostatic pressure
- brianparks
- · Replies 2 ·
Do arccoth(x) and arctanh(x) have the same derivatives?
- Benny
- · Replies 2 ·
What is the Half Angle Formula for Trigonometric Identities?
- whkoh
- · Replies 9 ·
A few questions in relation to energy
- lektor
- · Replies 2 ·
Specific heat capacity of the final temp
- DDV805
- · Replies 2 ·
Is 100% Efficiency Possible in Energy Conversion Processes?
- Soaring Crane
- · Replies 2 ·
Solving Inverse Function: sec(2x+180)=2, 0<x<360
- Link
- · Replies 4 ·
Equilibrium of a Uniform Rod with Attached Particle Question
- icvotria
- · Replies 2 ·
Find M in \int_{-\frac{\pi}{2}}^{M} \cos x dx= 1.5 with Expert Tips
- ziddy83
- · Replies 4 ·
Where is the centroid of a parabolic wire located?
- StirlingA
- · Replies 2 ·
Taylor differentition polynomials?
- dagg3r
- · Replies 8 ·
How to Determine Thevenin Equivalent and Max Power Transfer Load Resistance?
- airkapp
- · Replies 2 ·
Question on Divergence in Cylindrical Coords
- Spectre5
- · Replies 13 ·
Solving Electromagnetics Problems: Finding P from E
- robert25pl
- · Replies 5 ·
Solve for the Anti-Derivative of cosx dx / sin^3x: Expert Answer and Explanation
- laker_gurl3
- · Replies 4 ·
What is the uncertainty of an electron's momentum in an infinite potential well?
- Feynmanfan
- · Replies 2 ·