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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Electric field due to charges between 2 parallel infinite planes
- Tesla In Person
- · Replies 9 ·
Sources for Physics Research Paper on Rotational Blade Motion on Helicopter
- Rayla
- · Replies 4 ·
Spherical capacitor RC system -- determine steady state charges
- palaphys
- · Replies 6 ·
Acceleration of a wedge: What forces act on the wedge?
- teodora
- · Replies 4 ·
What Determines the Minimum Mass of Block B for Movement on an Inclined Plane?
- tellmesomething
- · Replies 22 ·
Current through shorted branch in two-source circuit
- palaphys
- · Replies 9 ·
Different way to find center of mass of Hollow hemisphere
- BlackUniverse
- · Replies 6 ·
Calculation of Tensile Forces in Piston-Type Water-Lifting Devices at Elevated Locations
- vdance
- · Replies 15 ·
Errors and significant figures
- Zayan
- · Replies 25 ·
Collision of a bullet on a rod-string system: query
- palaphys
- · Replies 71 ·
Explain this asphalt sheen
- .Scott
- · Replies 10 ·
Can terminal velocity be determined from the information given?
- feynmanshomeboy
- · Replies 7 ·
A cylinder connected to a hanging mass
- Robeurer
- · Replies 21 ·
Compton shift problem
- Brian_D
- · Replies 9 ·
Atwood's with a cylinder - Rotational Motion
- Null_Void
- · Replies 13 ·
Car and bicycle collision problem
- Ishfa
- · Replies 6 ·
Tension in a string connecting two blocks having equal and opposite velocities
- mrpurpletoes
- · Replies 21 ·
Physics Problem on Tension in Water
- vdance
- · Replies 19 ·
Physics Extended Essay about Gauss' law and/or Lorentz force
- VeryNice
- · Replies 4 ·
Toboggan on circular arcs
- Physical_Fire
- · Replies 12 ·
Will Y-Direction Motion Cease with X-Direction Acceleration Only?
- aronclark1017
- · Replies 30 ·
Projectile problem: A block released from a balloon
- AnishaTabassum
- · Replies 5 ·
Wave reflection from a fixed end with phase inversion
- mrpurpletoes
- · Replies 30 ·
Electric field due to arc shaped thin rod
- microdosemishief
- · Replies 13 ·
Angular Momentum- Conserved or not?
- palaphys
- · Replies 17 ·
Irodov- 1.123- Simple conceptual question with two masses connected by a spring
- palaphys
- · Replies 20 ·
Vertical Circular motion- A confusing question
- palaphys
- · Replies 29 ·
Most probable velocity from Maxwell-Boltzmann distribution
- TensorCalculus
- · Replies 5 ·
Reconcile poundforce w/slug and lbmass
- Roady
- · Replies 25 ·
Finding current in a mixed series-parallel RL circuit
- rickyw2777
- · Replies 4 ·
Problem with pulleys - two fixed and one movable
- brotherbobby
- · Replies 22 ·
Treating a lens as a set of prisms: is this accurate?
- Dark85
- · Replies 10 ·
Change in Displacement Formulation
- microdosemishief
- · Replies 6 ·
Definition of pound force
- Roady
- · Replies 3 ·
Current through an inductor as a function of time
- palaphys
- · Replies 10 ·
A hanging ring carrying current in a uniform magnetic field
- palaphys
- · Replies 10 ·
Flux through a cylindrical surface enclosing part of a sphere
- palaphys
- · Replies 9 ·
Specific heat capacity and latent heat
- waltssillyhat
- · Replies 2 ·
Calculating the Planck Length
- Dark85
- · Replies 3 ·
Can a dipole be modeled as a point charge?
- Electrodude
- · Replies 10 ·
Calculate the radius of gyration for a plane figure
- shishykish
- · Replies 6 ·
Dynamics of Circular Motion
- JuanMa2409
- · Replies 12 ·
Calculating acceleration of a prism and block connected to a wall through a rope and pulley
- Patrick Herp
- · Replies 4 ·
Block drifts off between two moving planes through friction
- kekpillangok
- · Replies 21 ·
The sign of the change in potential
- rickyw2777
- · Replies 7 ·
How come violet, with the shortest wavelength, is refracted the most?
- plaguedbyfoibles
- · Replies 3 ·
Calculating the time needed until a known velocity for a vehicle with friction as a function of velocity
- Patrick Herp
- · Replies 3 ·
Finding the point where Coulomb forces sum to zero
- rickyw2777
- · Replies 8 ·
Variable Mass system : Sand falling into a Freight car
- Su6had1p
- · Replies 6 ·
Spherical conducting shell enclosing a non-conducting core
- hmparticle9
- · Replies 5 ·
Concentric conducting cylinders
- hmparticle9
- · Replies 7 ·
Slight Confusion in Introductory Mechanics (Dynamics Problem)
- Lunar Manatee
- · Replies 15 ·
The flux through a cylinder from a charge at the origin
- hmparticle9
- · Replies 5 ·
Writing a vector parallel and normal to a unit vector ##\hat n##
- brotherbobby
- · Replies 26 ·
Equilibrium Position of a Hanging Candy Cane
- TensorCalculus
- · Replies 17 ·
An interesting GCSE question: Why are electric lamps connected in parallel in house wiring?
- TensorCalculus
- · Replies 14 ·
LC oscillations - two capacitors and an inductor
- palaphys
- · Replies 15 ·
Angular motion of a car wheel traveling at certain speed
- inuka00123
- · Replies 12 ·
5 charges within a square boundary
- hmparticle9
- · Replies 7 ·
Newton's law of gravitation, energy and centre of mass question
- mrpurpletoes
- · Replies 6 ·
Acceleration of an Electron in a Uniform Electric Field
- jnuz73hbn
- · Replies 2 ·
Two charged spheres connected to walls by two springs
- hmparticle9
- · Replies 7 ·
Measurement technology textbook problems
- NotFivehead
- · Replies 1 ·
Ice Core Density Problem (Inspired by NEEM)
- jnuz73hbn
- · Replies 6 ·
Finding the charge on pith balls
- hmparticle9
- · Replies 9 ·
2D rigid body mechanics: force applied on sliding cart
- bilboDan
- · Replies 14 ·
Cutting the Dose Rate in half with shielding
- syllll_213
- · Replies 5 ·
🔹RC Circuit with Series Capacitors — One Pre-Charged, One Uncharged
- Uplakshya
- · Replies 11 ·
Wheatstone bridge, strain gauges, Aron connection, and measurement error
- NotFivehead
- · Replies 2 ·
What is the Final Temperature When Mixing Water and Ice, Assuming All Ice Melts?
- hmparticle9
- · Replies 12 ·
Projectile motion with ##N## bounces on the ground
- Meden Agan
- · Replies 21 ·
How to calculate freezing time for a moist food by-product (75% water)
- Duales
- · Replies 6 ·
A lead bullet gets embedded in a lead block
- hmparticle9
- · Replies 17 ·
Question on magnetism: Circular motion of charged particle in a Magnetic Field
- physicals
- · Replies 34 ·
Wheel rolling without slipping connected to a cube
- glen21082000
- · Replies 11 ·
Thermally insulated container with alternating series of walls
- Meden Agan
- · Replies 49 ·
Can somebody explain what is happening here? (sunlight refracting in Earth's atmosphere)
- tellmesomething
- · Replies 12 ·
An exploding cannon shell
- brotherbobby
- · Replies 4 ·
How to Calculate Amplitude Decrease in Damped Harmonic Motion After 10 Cycles?
- Tryingtobecomeanengi
- · Replies 3 ·
Minimum angular velocity of a point mass on a rotating rod
- Rob2024
- · Replies 5 ·
Roller coaster mock Lab Report
- DelusionRemedy
- · Replies 9 ·
Why is there no induced current if magnetic field doesn't pass through the coil?
- rickyw2777
- · Replies 3 ·
Finding pressure at depth in a fresh water tank
- Vale Tum
- · Replies 3 ·
Finding displacement from position time graph
- syllll_213
- · Replies 4 ·
Acceleration of beads on a ring
- Bling Fizikst
- · Replies 5 ·
Rope between inclines with maximum length of hanging middle portion
- Meden Agan
- · Replies 46 ·
What is the derivation of the second equation for area velocity?
- Shreya
- · Replies 3 ·
Find in terms of ##h## when ##P## comes instantaneously to rest
- chwala
- · Replies 36 ·
Stone dropped from ascending balloon at 10 m/s reaches ground in 10 s
- tremain74
- · Replies 10 ·
Any Edexcel A Level Physics Teachers Here - Paper 1 Q13?
- Paulinio
- · Replies 13 ·
Coulomb’s Law Problem: Electrostatic Forces Between Charges
- nolife49
- · Replies 6 ·
Calculating flux through a plane cutting two concentric cylinders
- Zayan
- · Replies 26 ·
Identical cones rotating while in contact with each other
- Null_Void
- · Replies 12 ·
Ford Nucleon -- Fission Powered Car Calculation
- ninne
- · Replies 3 ·
Collision between snooker balls
- hmparticle9
- · Replies 3 ·
Finding equivalent resistance of connected resistors
- Lunar Manatee
- · Replies 15 ·
Friction on a spinning wheel when it is dropped onto the ground
- nedoX
- · Replies 30 ·
Frequency to wavelength question (thermal Doppler broadening)
- dartingeyes
- · Replies 3 ·