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 Many Molecules Match the Given Structural Description?
- chloé
- · Replies 9 ·
Solving a 3D System with Spiraling Confidence
- djinteractive
- · Replies 2 ·
Transducer terminology question
- StonieJ
- · Replies 2 ·
Can Experiments Confirm the Wave-Particle Duality of Light?
- gschjetne
- · Replies 2 ·
Resolve Acceleration Due to Gravity on Slope: How Far Will the Car Travel?
- recon
- · Replies 3 ·
Reasoning problems on kinematics without numbers
- naren11
- · Replies 2 ·
How Do You Calculate Instantaneous Velocity at Point 2?
- deficiency4math
- · Replies 5 ·
Proving Unbiased Estimator: E(2/n*sum from 1 to n of Y(i)) = theta
- semidevil
- · Replies 2 ·
Where does one term end and the other begin?
- trigger352
- · Replies 2 ·
Calculating Average Velocity in Spring-Mass System
- UrbanXrisis
- · Replies 3 ·
Parallel Plates and charge density
- Fanman22
- · Replies 6 ·
How to Calculate Multiples Within a Specific Range?
- trigger352
- · Replies 2 ·
How Did I Solve My Tech Issue?
- sarabellum02
- · Replies 2 ·
Difference between static charges and circuit charges
- Naeem
- · Replies 2 ·
Resolution of a circular aperture
- usfz28
- · Replies 2 ·
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 ·
If ∫_a^b f(x)dx = a+2b, what is ∫_a^b (f(x)+5)dx?
- 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 ·
Two charged particles accelerating toward each other
- futron
- · Replies 10 ·
Period of Oscillation for a Meter Stick Suspended by a Light String
- ness9660
- · Replies 4 ·
Work done throwing a 0.5 kg ball to 20m height
- fomenkoa
- · Replies 20 ·
Vector addition and relative velocity of perpendicular motions
- 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 ·
Why doesn't the characteristic count in significant figures for logarithms?
- 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 ·
Finding radius when circumference is 6π
- thomas576
- · Replies 5 ·
How Can You Make a Compass Without Iron?
- chase222
- · Replies 3 ·
Waves and Energy transfer problem ( am desperate)
- Alexielle
- · Replies 2 ·
Deriving temperature time evolution from radiative cooling equation
- fasterthanjoao
- · Replies 4 ·
How Does Torque Affect Angular Velocity in a Falling Block and Wheel System?
- ~angel~
- · Replies 2 ·
Spring compression: finding height and max velocity of 16lb weight
- VSCCEGR
- · Replies 13 ·
Wave function for Hydrogen and Probability
- Twigs
- · Replies 2 ·
Thermodynamics - A Real Pressure Cooker
- UltraC
- · Replies 2 ·
Two masses connected by spring falling under gravity
- 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 ·
Oil film thickness from destructive interference at 500 nm and constructive at 750 nm
- Jacob87411
- · Replies 2 ·
Solving the inequality 3-3(x-4)<4-3x
- 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 ·
Why does ∇·A = 0 for the magnetic vector potential?
- 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 ·
Derivative of (t-1)^1/2*(t^-2) using product rule
- 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 ·
Finding force and equilibrium positions for U(x) = 3x² - 3x³
- johnnyb
- · Replies 2 ·
What are some fun experiments with liquid nitrogen?
- gijsbert2002
- · Replies 7 ·
What is the solution for this integral?
- twoflower
- · Replies 17 ·
Are there 4 or 5 significant digits in 0.0029550 m?
- 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 ·
Double-slit experiment: when do bright fringes coincide for two wavelengths?
- admajoremdeigloriam
- · Replies 12 ·
What does R^ mean in astronomy?
- Leonidas
- · Replies 24 ·
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 ·
Work done by friction in two-car collision
- la673
- · Replies 6 ·