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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Have 2 Questions: Measure Perihelion of Venus & Pendulum in Elevator
- leafvillage
- · Replies 3 ·
How Does Adding Hydrochloric Acid or Silver Nitrate Affect Chemical Equilibrium?
- erik05
- · Replies 2 ·
Mastering Integration: Solving \int_a^b f(x)dx = a+2b with Ease
- UrbanXrisis
- · Replies 30 ·
Solving for Maximum Speed of Ball in a Pendulum Swing
- UrbanXrisis
- · Replies 7 ·
Abstract Algebra: Groups of order 21
- vsage
- · Replies 1 ·
How to Adjust Resistance in Voltmeters and Ammeters for Accurate Measurements
- scorpa
- · Replies 3 ·
Solving 5-Stone Counting Problem w/ Restrictions
- lesquestions
- · Replies 3 ·
Electric Potential Energy problem
- futron
- · Replies 10 ·
Period of Oscillation for a Meter Stick Suspended by a Light String
- ness9660
- · Replies 4 ·
Calculating Work: A Simple Yet Tricky Problem
- fomenkoa
- · Replies 20 ·
Adding & Subtracting Vecots And Relative Velocity
- rossverg
- · Replies 4 ·
Solving sqrt (Y+6) - sqrt (3y) = 3
- perpetual-burn
- · Replies 3 ·
Time deritivate of the expectation value of p
- cyberdeathreaper
- · Replies 7 ·
How to Calculate Force and Acceleration in Physics
- jpmaster
- · Replies 10 ·
What frequency of light is recorded by a detector attached to the moving mirror
- stunner5000pt
- · Replies 12 ·
Calculating Power for Pumping Water to a Tower
- Nx2
- · Replies 7 ·
Solving 3z/2=z/6+4: Is it Right?
- thomas576
- · Replies 3 ·
Angular Momentum/Rotation Problem
- Felix83
- · Replies 2 ·
Mastering Significant Figures in Logarithms: A Comprehensive Guide
- mathzeroh
- · Replies 3 ·
How Do You Calculate Centripetal Forces on a Merry-Go-Round?
- imnotsmart
- · Replies 2 ·
What is the linear thermal coefficient of expansion for the container?
- wildrjetta
- · Replies 4 ·
Fundamentals of Engineering Problem
- Naeem
- · Replies 6 ·
What is the Flux of a Vector Field Over a Box and How Does Divergence Affect It?
- Phymath
- · Replies 5 ·
Setting up a triple integral in cylindrical coordinates?
- VinnyCee
- · Replies 5 ·
Understanding Arctan: Solving for 0 and 1/0
- hotmail590
- · Replies 4 ·
Rocket car problem, find final velocity.
- stangeroo
- · Replies 8 ·
What is the Limit of the Sequence a_n = (n^2)(1-cos(5.2/n))?
- ProBasket
- · Replies 3 ·
How Much Kinetic Energy is Lost in a Completely Inelastic Collision?
- ~angel~
- · Replies 7 ·
Learn About Circles & Find Radius
- thomas576
- · Replies 5 ·
How Can You Make a Compass Without Iron?
- chase222
- · Replies 3 ·
Waves and Energy transfer problem ( am desperate)
- Alexielle
- · Replies 2 ·
Time evolution of temperature help
- fasterthanjoao
- · Replies 4 ·
How Does Torque Affect Angular Velocity in a Falling Block and Wheel System?
- ~angel~
- · Replies 2 ·
Calculating Spring Compression: Finding Height and Max Velocity
- VSCCEGR
- · Replies 13 ·
Wave function for Hydrogen and Probability
- Twigs
- · Replies 2 ·
Thermodynamics - A Real Pressure Cooker
- UltraC
- · Replies 2 ·
Question about two falling masses connected with a spring
- Mohammad
- · Replies 2 ·
Pushing Blocks: Solving a Friction Problem with Four Blocks on a Table
- Naeem
- · Replies 3 ·
Magnetism and Electric Potential Problem
- bbbbbev
- · Replies 2 ·
Ok soon to be algebra teacher i can feel it last one i think
- thomas576
- · Replies 7 ·
Clarification on what the questions asking
- Jacob87411
- · Replies 2 ·
Check this please i think im getting better
- thomas576
- · Replies 2 ·
Seeking Advice: Sources for an In-Class Essay on Authority and Rebellion
- aek
- · Replies 5 ·
Ok easy algebra kicking my kids butt and im new to this again
- thomas576
- · Replies 7 ·
Linear Combination of Atomic Orbitals
- danoonez
- · Replies 7 ·
Does a Hot Gas of Hydrogen Emit Radiation of a Single Frequency?
- vangto
- · Replies 2 ·
Solving Magnetics Questions: Vector Potential & Surface Currents
- AKG
- · Replies 9 ·
Hydrogen vs. Doubly Ionized Lithium: Which Has More Optical Spectrum Lines?
- Jacob87411
- · Replies 3 ·
Calculating Forces on a 2000kg Elevator Suspended by Single Cable
- Power24
- · Replies 10 ·
How Do You Calculate Phase and Group Velocity from Refractive Index Data?
- stunner5000pt
- · Replies 4 ·
Calculating the Recoil Energy of 57Co Emitting a 14.4 keV Gamma Ray
- dranger35
- · Replies 2 ·
What is the height of the wine column in Pascal's barometer?
- imnotsmart
- · Replies 14 ·
Calculating Slit Width for Diffraction Pattern
- Jacob87411
- · Replies 2 ·
How many terms are in this series?
- aisha
- · Replies 9 ·
Piecewise functions how to graph it
- laker_gurl3
- · Replies 5 ·
How to Calculate Photon Strike Rate for Monochromatic Light?
- Jacob87411
- · Replies 4 ·
Calculating Speed and Time for a Sliding Disk on an Elevated Air Table
- Vanity
- · Replies 5 ·
Is this correct take the derivative of
- laker_gurl3
- · Replies 6 ·
What is the rate at which the cowboy fills the horse trough?
- imnotsmart
- · Replies 9 ·
Is My Physics Teacher's Explanation of Dropping Magnets Through Pipes Accurate?
- Miracles
- · Replies 2 ·
Force & Equilibrium of a Man: U(x) = 3x^2 - 3x^3
- johnnyb
- · Replies 2 ·
What are some fun experiments with liquid nitrogen?
- gijsbert2002
- · Replies 7 ·
What is the solution for this integral?
- twoflower
- · Replies 17 ·
Significant Digits: a) 4 or 5 & b) 5 or 7
- joejo
- · Replies 10 ·
Where is the image formed and what is its magnification?
- suf7
- · Replies 6 ·
What is the mass of a floating frog in a hemispherical pod?
- imnotsmart
- · Replies 7 ·
Collision (kinetic energy lost)
- FrogPad
- · Replies 5 ·
Finding Magnetic Force on a Moving Electron
- bbbbbev
- · Replies 5 ·
River Rescue ( with attachement )
- Naeem
- · Replies 2 ·
How is the concept of simultaneity affected by relativity?
- IntuitioN
- · Replies 5 ·
Simple Harmonic Motion of a Spring Elevator
- UrbanXrisis
- · Replies 6 ·
Decibel Question (adding I think)
- Hit an Apex
- · Replies 6 ·
Young's Experiment: Find Bright Fringe Distance
- admajoremdeigloriam
- · Replies 12 ·
What does R^ mean in astronomy?
- Leonidas
- · Replies 24 ·
Writing Lab Reports: Tips & Tricks for Perfection
- Link
- · Replies 2 ·
Expectation values of x and x^2
- cyberdeathreaper
- · Replies 5 ·
Boat Drag Question: Acceleration After Rain Starts
- vpea
- · Replies 2 ·
What Are Critical, Over, and Under Damping in Electrical Circuits?
- Hoofbeat
- · Replies 2 ·
Converting into polar coordinates for integration
- VinnyCee
- · Replies 12 ·
Does the Weight of an Hourglass Change When Sand is Falling?
- bjon-07
- · Replies 7 ·
Understanding Changes in Internal Energy and Entropy in a Two-Block System
- flythisforme
- · Replies 14 ·
Compute the Flux of Neutrinos
- tony873004
- · Replies 7 ·
What is the Force and Tension in a Helicopter Truck Rescue?
- jungleismassiv
- · Replies 3 ·
Solving Two-Car Accident with Friction: Step-by-Step Guide
- la673
- · Replies 6 ·
Evaluating a Double Integral: Finding the Volume of a Bounded Region
- stunner5000pt
- · Replies 3 ·
How Do AC Circuit Reactances Compare to DC Resistances?
- cAm
- · Replies 11 ·
Internal Reflection and Maximum Angles
- GingerBread27
- · Replies 2 ·
Solving Spring Truck Problem 2: Compute Work, Speed, if Force is Conservative
- TyFelmingham
- · Replies 4 ·
Calculating Swimmer's Distance and Time Across River Q
- Naeem
- · Replies 3 ·
Thermodynamics Fun: Is Net Work = Change in Q for Brayton Cycle?
- sportsrules
- · Replies 2 ·
What is the minimum mass m that will stick and not slip?
- mugzieee
- · Replies 2 ·
Ted Williams' Home Run at the Skydome
- Naeem
- · Replies 3 ·
Calculate Transformer Turns & Voltage/Current Factors
- Prototype
- · Replies 2 ·
Work & Energy Q&A: Get Answers & Verification Here
- joejo
- · Replies 2 ·
Bolt falls off rocket, find rocket acceleration
- stangeroo
- · Replies 3 ·
Triple Integrals: Solving G Bounded by x, 2-x, and y^2
- stunner5000pt
- · Replies 2 ·
Program for absolute value graphs
- aek
- · Replies 2 ·
How Many Ways to Get Three of a Kind in a Four-Card Hand?
- blue_soda025
- · Replies 2 ·
How can we set up a triple integral to solve this problem?
- stunner5000pt
- · Replies 7 ·
How Can Car C Gain on Car D Despite Both Accelerating?
- jhson114
- · Replies 2 ·