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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De Broglie wavelenght as a function of an accelerating potential
- NWSurvive
- · Replies 7 ·
Photoelectric Effect and the conversion ofPlank's constant from V.S to J.S
- Hmpca
- · Replies 1 ·
Electric Potential Energy Question With two Similarly charged Objects
- HarleyM
- · Replies 18 ·
Electric Current: Positive/Negative Charge Movement in Conductor
- bb.minhtri
- · Replies 6 ·
How Does Sand Falling Impact Balance in Physics?
- johnconnor
- · Replies 3 ·
Why Won't a Space Probe with 3GMm/R Energy Escape Earth's Gravity?
- confused200
- · Replies 2 ·
Calculating Work Done in a Bench Press Rep
- macmade
- · Replies 9 ·
Two Charges - Electric Potential Question
- pierretong
- · Replies 1 ·
Stone dropped in pit with 2 second delay to hear sound
- andorei
- · Replies 6 ·
Relative molecular mass using unified mass unit
- jadoreux
- · Replies 3 ·
Finding equilibrium position of sphere in Ruchardt's experiment
- Teachme
- · Replies 4 ·
Electrostatics - Electron passing through charged plates
- fobbz
- · Replies 4 ·
Dog running back and forth between owner and river
- saac
- · Replies 11 ·
Writing Vector Equations for positions of toy cars in the form r=a+tb ?
- Dosirak
- · Replies 1 ·
Two Electrons and Distance Equation
- jfkline21
- · Replies 1 ·
Solving Momentum and Elasticity Problem
- vaironl
- · Replies 6 ·
Distance travelled by a thrown object
- Dberry
- · Replies 3 ·
When does the speed equal 10 m/s?
- InsTanCeZ
- · Replies 1 ·
Finding source resistance in a circuit with parallel resistors
- MsHomework
- · Replies 11 ·
Finding the Mass of An Object as It Slides Over a Frictionless Surface
- xxooemmy1
- · Replies 1 ·
Momentum and Energy Conservation in Collision Problems
- AverteProxy
- · Replies 1 ·
Space station-nature of orbit?
- humanist rho
- · Replies 4 ·
Torque, angular acceleration, and moment of inertia
- chromium1387
- · Replies 2 ·
Solving the Yo-Yo's Limit Angle for Acceleration
- dany-vai
- · Replies 2 ·
Electric field of infinite nonconducting sheets
- nizsu
- · Replies 1 ·
Understanding Physics Problems: Work, Energy, and Power
- awesomeman123
- · Replies 1 ·
Using the Elastic equation to find the final velocity
- MyMotto
- · Replies 1 ·
Box resting on an inclined plane
- JamesW
- · Replies 3 ·
Radiation pressure of a light bulb
- aytrees
- · Replies 1 ·
A bead slides on a circular wire
- minmm
- · Replies 1 ·
Calculating Power and Efficiency of a Heat Engine with 6 kg/h Gasoline Input
- mado134
- · Replies 3 ·
Calculating the wavelength of an electron
- bobsmith76
- · Replies 7 ·
Oscillating, hanging spring-block system
- Color_of_Cyan
- · Replies 5 ·
Determining Throwing Height: Dimensional Analysis
- Firben
- · Replies 5 ·
Electricity; Calculating Resistance.
- FlyingSpartan
- · Replies 6 ·
Throwing a ball in a 2D projectile motion and lands on an inclined plane
- dhagstk
- · Replies 1 ·
How to Calculate Temperature and Pressure from Helium Gas Speed Distribution?
- dq/dt58
- · Replies 2 ·
Vector Notation Inconsistencies
- LearninDaMath
- · Replies 5 ·
Finding the Percentage of a Sphere Immersed in Water
- kswoff
- · Replies 5 ·
Force exerted on bicycle to maintain cosntant speed
- ErwinJL
- · Replies 2 ·
Which One is Wrong? Find Out Here!
- LiiArch
- · Replies 11 ·
Motion problems using antiderivatives
- Nitrate
- · Replies 1 ·
Toppling cylinder angular velocity
- h4nsm0l3m4n
- · Replies 1 ·
Derive an expression for the flux through a sphere
- phosgene
- · Replies 3 ·
Total elastic potential energy of a compressed spring?
- ErwinJL
- · Replies 2 ·
How to Determine the Distance Between Deer Using Vectors and Cosine Law?
- saac
- · Replies 7 ·
Ray tracing diagram for white light moving through glass
- phosgene
- · Replies 10 ·
Rotation around center of mass principle
- arto460
- · Replies 1 ·
A steel rod of 0.10kg rests on two metal rails inclined at an angle of
- SpecialKM
- · Replies 7 ·
Why are the charges just q and 4q with no numbers?
- bansal321
- · Replies 3 ·
Finding spring constant from oscillation period
- nukeman
- · Replies 12 ·
Classical Mechanics Kleppner Problem
- ypudi
- · Replies 14 ·
What is the magnitude of the electric field in a given scenario?
- physgrl
- · Replies 6 ·
How to sketch harmonic component graph?
- ryanmcarthy
- · Replies 1 ·
Checking examples of Newton's three laws of motion
- xLuvux
- · Replies 3 ·
Two train cars colliding with different accelerations
- Vick007
- · Replies 1 ·
Induction of emf in moving conductors in magnetic fields
- tzxn3
- · Replies 8 ·
Calculating the number of photons in a wave
- Daintyg
- · Replies 3 ·
Getting Csin(phi) from law of cosines and sines in vector addition
- LearninDaMath
- · Replies 5 ·
Buoyancy (A Boat in Water vs Alcohol)
- Rapier
- · Replies 1 ·
Conservation of linear momentum at the skating rink
- mstud
- · Replies 3 ·
What is the significance of gravitational units in understanding momentum?
- Rakinniya
- · Replies 2 ·
Calculate Pressure on a Dam: Answer 0.33
- Rapier
- · Replies 3 ·
Why do steam burns cause more severe skin damage than water burns?
- billybobay
- · Replies 2 ·
Integral of solids with linearly decreasing charge density
- Aesteus
- · Replies 2 ·
Calculating the Value of Q for Constant Pressure Heat Transfer
- annalise17
- · Replies 2 ·
Calculating the rest mass of Ra [simple ]
- bsmm11
- · Replies 1 ·
Total Mechanical Energy Swing Problem
- Snape1830
- · Replies 19 ·
How Do Geometry and Component Methods Compare in Vector Addition?
- sami23
- · Replies 11 ·
Electron acceleration and distance in a uniform electric field between parallel plates
- HarleyM
- · Replies 12 ·
Car Cliff Equation: Distance to Ground from Base
- billybobay
- · Replies 3 ·
Calculate Distance for Bob to Stop at Stop Sign
- billybobay
- · Replies 3 ·
What height will your cousin reach if thrown at 5 m/s?
- billybobay
- · Replies 1 ·
What Is the Minimum Initial Speed Required for an Electron-Atom Collision?
- R2Zero
- · Replies 5 ·
The components of Vector A are given as follows
- Mdhiggenz
- · Replies 3 ·
What is the Average Monthly Weight Gain for a Baby Over a Specific Time Period?
- lalahelp
- · Replies 7 ·
How do I multiply fractions with large numbers?
- jemjabella42
- · Replies 1 ·
Finding accepted values and percent error for centripetal force lab velocity
- mickchick1
- · Replies 5 ·
Damped Oscillator and amplitude
- JohnnyCollins
- · Replies 1 ·
Thevenin equivalent for strain gauge bridge
- damien88
- · Replies 10 ·
What Is the Displacement of the Wandering Wolf?
- hotshot1kille
- · Replies 2 ·
Hot air balloon: what mass to drop for upward acceleration of g/2?
- Kinermatics
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Gravitational Acceleration and Determining Height
- ZdravkoBG
- · Replies 6 ·
Calculating Momentum: Learn the Formula and Solve a Sprinter's Momentum Question
- xLuvux
- · Replies 2 ·
Car accelerating from rest to 30 m/s in 10 seconds
- xLuvux
- · Replies 12 ·
What is the propulsive force generated by a kayak paddle?
- The-alexandra
- · Replies 6 ·
Average Velocity and Acceleration Calculations for Walking Man
- InsTanCeZ
- · Replies 1 ·
Barometric formula and height ratios
- shyguy79
- · Replies 6 ·
How Do You Calculate the Mass of Tritium in a Mass Spectrometer?
- bobsmith76
- · Replies 6 ·
Object sliding down horizontal, frictionless slope, crossing horizontal surface
- kapowa
- · Replies 3 ·
Initial acceleration of a charged particle
- hudsonale10
- · Replies 7 ·
Expansion of mercury in a thermometer
- bacon
- · Replies 3 ·
Mass flow rate through De Laval Nozzle
- darksupernova
- · Replies 1 ·
Location of maximum electric field due to a ring of charge?
- mHo2
- · Replies 6 ·
Geometric vs Componentwise Vector Addition
- linie18
- · Replies 3 ·
Deriving the Elastic Energy Equation: How Do I Go from F=kx to F=1/2kx^2?
- davyvfr
- · Replies 1 ·
Conducting sphere surrounded by insulator with dielectric constant
- zhillyz
- · Replies 1 ·
[Statistical Physics] Spin-1 atoms in uniform magnetic field
- timon
- · Replies 1 ·
Calculating Volume Change of a Partially Inflated Yoga Ball
- lalahelp
- · Replies 2 ·
Calculate the output voltage of the circuit
- damien88
- · Replies 6 ·