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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Simple Harmonic Motion Question
- descartes75
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Calculating Air Resistance on a Space Shuttle Glider During Test Flights
- Link
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Why Do Sound Waves Cancel Each Other Out?
- Spyder22
- · Replies 2 ·
Electric Force of two hemispheres
- TimNguyen
- · Replies 6 ·
Few sentences related to a work concept.
- primarygun
- · Replies 4 ·
Simplifying Loga Root Expression
- novice
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Multiple Choice Questions ( NEED HELP )
- Naeem
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Need help figuring out what this Maths question means
- Hoplite
- · Replies 3 ·
Solving Diffraction Problem: Calculating Slit Width with He-Ne Laser
- Naeem
- · Replies 2 ·
Understanding EMF When Area Vector is at 90° with B
- admajoremdeigloriam
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Trouble graphing and working out functions
- Solidmozza
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Calculating Resistances in Parallel and Series: A Tricky Problem Solved
- NotaPhysicsMan
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How to Find the Area Bounded by Two Complex Curves?
- ProBasket
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Conjugate Hyperbola: Find Equation w/ Asymptotes y=+/-2x
- blue_soda025
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Kinetic friction of box down a ramp
- runner1738
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Bar on Roller Spinning and Translating: Force Impact?
- Dyls
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Optics: Finding the Diameter of the Image of the Moon through a Telescope
- zoetrope
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What Are the Possible Values for R in a Parallel/Series Resistor Setup?
- NotaPhysicsMan
- · Replies 3 ·
Modelling Air Resistance using Differential Equation
- $id
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Total resistance in parallel circuits
- Hologramdr
- · Replies 3 ·
Faraday's Law of Induction: Calculating Induced emf in a Moving Square Loop
- robert25pl
- · Replies 6 ·
Please help a little tricky TRIG eqn or SOlve not sure
- aisha
- · Replies 18 ·
Can a Straight Line Divide a Thousand Points Equally?
- DivineNathicana
- · Replies 6 ·
Car collision skid mark physics
- whereisccguys
- · Replies 6 ·
How Do You Calculate the Second Derivative Using Implicit Differentiation?
- erik05
- · Replies 3 ·
Year 12 physics - thin films question
- ash
- · Replies 5 ·
Convert mm/s to m/s for Electron Drift Velocity
- prybrr
- · Replies 2 ·
Optics - What is the magnification of this image
- FAIRMADIEN787
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Resistivity Coursework problem
- emikkime
- · Replies 4 ·
Understanding Voltage in a Simple Circuit: A Quick Question
- EvLer
- · Replies 7 ·
Determining charge on capacitor
- haribol
- · Replies 4 ·
Wave Motion Problem Solving Tips
- Physicsisfun2005
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Answer: Understanding Ruby Laser Energy Levels and Pumping: Cr+3 Ion Diagram
- shaiqbashir
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What Are the Key Steps to Solve These Ellipse Problems?
- trigger352
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Which Truck Has Greater Momentum If Both Have the Same Kinetic Energy?
- toittoiger
- · Replies 7 ·
Calculate Volume of Object Thrown into Ocean
- elemnt55
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How to stop a fast moving electron
- JamesJames
- · Replies 15 ·
Finding Solutions for Absolute Equations: A Scientific Approach
- maxpayne_lhp
- · Replies 7 ·
Volume of Solid Rotated About x=3, Region Bounded by x=1-y^4, x=0
- ProBasket
- · Replies 2 ·
Struggling with Physics Test? Find Help & Practice Exercises Here!
- CartoonKid
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Physics true/false questions v. isolated parallel plates
- Gonger
- · Replies 5 ·
Physics Spring Question: Block Position with Applied Force of 2.8 N
- rulers14
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How to Calculate Ground Conductivity with Hemispherical Electrodes?
- meteorologist1
- · Replies 3 ·
Calculating Speed and Energy: Questions on Distance, Power, and Time
- lcg
- · Replies 3 ·
The Effect of Electric Field on Proton Motion
- Soaring Crane
- · Replies 8 ·
How Can We Derive the Wavelength Sum Formula in Electron/Positron Annihilation?
- Feynmanfan
- · Replies 5 ·
Understanding the Product Rule in Calculus: Solving for y = x ln x
- footprints
- · Replies 8 ·
Another Question: Find the work done by the kinetic frictional force
- zizikaboo
- · Replies 2 ·
Summand part in summation notation
- aisha
- · Replies 12 ·
Finding Acceleration of 16.5kg Suitcase Given Forces
- shawonna23
- · Replies 8 ·
Potential energy and a skateboard, only have until 11:30
- kpangrace
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Calculate Impedance of AC Circuits with 1.20kΩ Resistor and 6.8μF Capacitor
- airkapp
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Meet the Fockers: Movie Review and Critique
- Poweranimals
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Evaluating Potential of A Uniformly Charged Circular Ring - kQ/a
- Phymath
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What Force Maintains a Constant Velocity for a Water Skier?
- shawonna23
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Find the charge on each capacitor
- Gonger
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Most likely an easy Integration problem
- apchemstudent
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Help me figure out these true/false statements.
- xelda
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Does My Triple Integral for a Cylinder's Volume Bounded by Planes Seem Correct?
- ninjacookies
- · Replies 4 ·
Solving Algebra Problem for Limit as n Goes to Infinity
- bemigh
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Finding Heat of Reaction for MgSO4 and Ba(NO3)2 Solution Mixture
- erik05
- · Replies 3 ·
Can a Website Show Historical Moon Phases and Sky Positions for My Location?
- ndogg
- · Replies 5 ·
Why laser light is mono chromatic
- mohdfasieh
- · Replies 2 ·
Circular motion of two wires and a ball
- flyguyd
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Physics Newtons 3rd/2nd law problem
- oldunion
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Electron Beam Heat Up Time Calculation
- misogynisticfeminist
- · Replies 6 ·
Understanding Gauss's Law and Electric Field Distributions
- PhysicsNewb
- · Replies 3 ·
Calculating Density of Helium Gas at Different Temperatures
- laker88116
- · Replies 16 ·
Comparing Relativistic and Classical Doppler Shifts
- stunner5000pt
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Do Trucks with the Same Kinetic Energy Have Different Momenta?
- hahaha
- · Replies 8 ·
Capacitance of two spherical conductors
- funkwort
- · Replies 7 ·
Find volume of object if cross-sections are known
- ProBasket
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How much weight must be dropped to make a balloon rise 105m in 15s?
- Winner
- · Replies 9 ·
If I don't solve these two problems, I'm gonna lose $60
- alexgott_iscool
- · Replies 9 ·
Calculating Work Done with a Series RC Circuit with Variable Plate Spacing
- wheatmaster
- · Replies 2 ·
Find the distance of the image from the right edge of the sphere
- stunner5000pt
- · Replies 8 ·
Calculate Force and Period of Asteroid Orbit Around Sun | Physics Help ASAP!
- o04jjang
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Can Set Theory Identity (A-B) ∪ (B-C) = (A ∪ B) - (B ∩ C) Be Proven?
- SpatialVacancy
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Solving x^3-6xy+6=0: Implicit Diff. or Quotient Rule?
- erik05
- · Replies 5 ·
Solving Riccatti Equation: 2nd Order Diff. Eq.
- yoyo
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Calculate Volume of Solid Rotated about y=4
- ProBasket
- · Replies 11 ·
New intregral same old problem
- Phymath
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Projectile explodes at peak where will it fall?
- jaymode
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Solve another trig eqn with square roots
- aisha
- · Replies 12 ·
Solve Traffic Accident: Who Was Lying?
- mohlam12
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What is the Velocity Ratio in an Elastic Collision?
- lookitzcathy
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Solving Derivative of ln[cos(w-1)]: Need Help!
- dec1ble
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Change of Momentum in Motion - Find J (Impulse)
- hotmail590
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Solving for Current in a Circuit: R1 and R2 Example
- nobb
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How Does Gauss's Law Calculate Charge on a Cylindrical Shell?
- qwerty123
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Determine the speed of the smaller mass
- Gughanath
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Chem Question: Isoelectronic Ions and Ca Notation Explained
- courtrigrad
- · Replies 4 ·
Calculating Rocket Acceleration from Liftoff
- jenduncan
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Wire Loop in Equilibrium-Angle?
- GingerBread27
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Magnitude and Direction Problem
- shorti2406
- · Replies 7 ·
Understanding Circuit Questions: Current, Voltage, and Resistors Explained"
- dayrinni
- · Replies 2 ·
Fundamental Theorem of Calculus
- courtrigrad
- · Replies 9 ·
Why would a HCl molecule have a dipole moment?
- courtrigrad
- · Replies 2 ·
Instrumentation Amplifier question
- cyeokpeng
- · Replies 2 ·