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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Law of conservation of momentum problem?
- abrowaqas
- · Replies 5 ·
Centrifugal Force and the Path of a Moving Particle in a Rotating Tube
- azizlwl
- · Replies 3 ·
Graphical Analysis Question - Torque, Angular Displacement
- Tempest Desh
- · Replies 4 ·
Why can't frequency of an electromagnetic wave change?
- some_letters
- · Replies 1 ·
What Is the Focusing Range for a 45 mm Lens on an SLR Camera?
- HenryHH
- · Replies 3 ·
Calculating Heat Required for Water Temperature Change
- kimkibun
- · Replies 3 ·
Find the force of the rod on the point charge
- dk321
- · Replies 2 ·
How Much Sooner Does a Box Reach the Bottom of an Incline Compared to a Disk?
- ronho1234
- · Replies 2 ·
Speed distance and not a lot of hair left
- steveandy2002
- · Replies 4 ·
Physics Experiment for high school physics relating to University physics research
- sam_021
- · Replies 1 ·
Special Relativity (Transformation question) Check Answer.
- Lengalicious
- · Replies 1 ·
What is the delay between seeing lightning and hearing thunder?
- seker
- · Replies 1 ·
Ball launched off a cliff at negative angle
- picklepie159
- · Replies 7 ·
How Do You Calculate θ for Polarized Light Intensity Reduction to I0/4?
- jraek1987
- · Replies 1 ·
I still seem to be off!Solving RCL Circuit w/Iron Core at Resonance
- ParoXsitiC
- · Replies 1 ·
Work to lift a 5 kg bag 1 meter using force or potential energy
- mike-d
- · Replies 3 ·
Question on working out forces acting on a brick.
- nxtgenlva
- · Replies 4 ·
What is the correct solution for the maximum compression of the spring?
- albert12345
- · Replies 17 ·
Pulley system with 100 N force and two masses
- Mark Rice
- · Replies 8 ·
Simple harmonic motion of mass on elastic string pulled from rest
- shalikadm
- · Replies 16 ·
Newton's Third law of motion problem.
- abrowaqas
- · Replies 3 ·
Calculating the Field of a Charge in a Coordinate System
- zezima1
- · Replies 1 ·
Work-Energy: Force Acting Through 1.2pi Despite 0.6pi Move
- eurekameh
- · Replies 5 ·
Finding Current, Voltage, and Resistance in Parallel Circuits
- PrincessPerry
- · Replies 13 ·
Finding tension in a pulley system with 100N upward force
- Mark Rice
- · Replies 15 ·
Constant acceleration of sports car
- HelpMeHelpYou
- · Replies 10 ·
Is the Net Force on a Charge at the Center of a 13-Sided Polygon Zero?
- aaaa202
- · Replies 3 ·
The Mystery of Inclined Plane Motion: Analyzing a Block's Acceleration
- Vonladen
- · Replies 6 ·
What is the Net Force on Charges in a Square?
- RemoteDoc
- · Replies 3 ·
How Far Does a Car Travel to Reach 4.61 m/s with Non-Constant Acceleration?
- albert12345
- · Replies 5 ·
How can we determine the self-inductance of a solenoid?
- bdh2991
- · Replies 1 ·
What is the velocity of a car accelerating at a non-constant rate?
- albert12345
- · Replies 13 ·
Car with constant acceleration covering 60m in 5s then 170m in 6s
- Bindy
- · Replies 4 ·
How Does Velocity Change with Time in a Spiral Path?
- roam
- · Replies 5 ·
Finding kinetic friction force in Atwood's machine with block and hanging mass
- Littledude
- · Replies 9 ·
How Do You Derive the Radius Equation for a Satellite's Elliptic Orbit?
- Cuttlas
- · Replies 20 ·
Inertia of pully system with wire that has a mass
- Umbrako
- · Replies 3 ·
Thin film (interference problem)
- Sefrez
- · Replies 8 ·
Bullet Strikes Wheel - find rotations/second
- yesiammanu
- · Replies 6 ·
Calculate the work done in Rectangle?
- abrowaqas
- · Replies 2 ·
Determining the polarisation state of the waves.
- Raphisonfire
- · Replies 2 ·
Particle with quadratic drag force: find x(t) and x(4)
- djames1009
- · Replies 8 ·
Determining the gravity using inclined planes
- mikkeljuhl
- · Replies 13 ·
Lenz law wire and expanding loop
- spaceman231
- · Replies 1 ·
Finding oscillation amplitude when bullet embeds in spring-block system
- sweetpete28
- · Replies 2 ·
Oscillating in Simple Harmonic Motion?
- jisrael93
- · Replies 4 ·
Rolling cylinder on surface with friction (initially slipping)
- vraeleragon
- · Replies 3 ·
Circular Motion Problem: Finding Speed of a Swinging Ball at a Given Angle
- bcd201115
- · Replies 2 ·
Calculating Tension in a Stretched String Using Wave Speed
- seker
- · Replies 1 ·
How Do You Calculate the Speed of a Wave on a Rope?
- seker
- · Replies 3 ·
Converting Units: Are These Conversions Accurate?
- domyy
- · Replies 2 ·
How Do Forces and Tension Affect Equilibrium on a Staircase?
- songoku
- · Replies 1 ·
Understanding Thin Lens Equations: Solving for Image Distances and Focal Length
- badd99
- · Replies 1 ·
Speed of car dependent on what factors
- lilycat
- · Replies 4 ·
Finding applied force on 4-kg box accelerating to 6 m/s with friction
- jisrael93
- · Replies 8 ·
Efficiency of a cycle from a diagram
- fluidistic
- · Replies 2 ·
Entropy of the river due to coal heating
- idkididk
- · Replies 1 ·
How to determine significant figures for quadratic?
- xodin
- · Replies 5 ·
Gas Compression in piston and resulting oscillations
- kevlar94
- · Replies 1 ·
Displacement of 2 kg mass with quadratic drag force
- djames1009
- · Replies 2 ·
Unguided weapon canister opening altitude for 4-second deployment
- sroy1313
- · Replies 1 ·
Inductors in electrical circuits
- amninder15
- · Replies 2 ·
Time required to charge capacitor to percentage of max capacitor voltage
- rhemmin
- · Replies 7 ·
Determining angle alpha with an elastic rope and a mass hanging from the rope.
- blueboy499
- · Replies 15 ·
Calculating the n=1 Energy Level of B4+ Ion
- jessiewills
- · Replies 7 ·
Is this the correct approach to part 1 of the mechanics question?
- winichris
- · Replies 22 ·
MCAT collision problem: momentum and kinetic energy conservation
- reshmaji
- · Replies 3 ·
Double Pulley Systems/Complex Pulley System Problems
- mk8993
- · Replies 1 ·
Energy, work, power unit 3 question
- Dcpc10
- · Replies 1 ·
Determine the density of a planet in SI units
- surfingian
- · Replies 2 ·
Time From Slipping to Rolling Motion
- Mr. Heretic
- · Replies 4 ·
Thermal expansion of tank and contents.
- caperjay
- · Replies 5 ·
Finding the intensity ratio between two sound sources
- hevans1303
- · Replies 1 ·
Relating radius and angular freq of an rotating object
- serverxeon
- · Replies 6 ·
Double-slit experiment (path length)
- PhysicsFTW22
- · Replies 2 ·
Temperature change with sliding a crate
- Bigworldjust
- · Replies 11 ·
How can i find the acceleration for this constraint?
- yy205001
- · Replies 17 ·
Find the electric field produced by a 2.5uC point charge at distance of 0.75m
- domyy
- · Replies 18 ·
How Do You Calculate the Angular Position of a Point on a Rotating Wheel?
- bcd201115
- · Replies 3 ·
*Simple conversion probelm - Converting 1.08 x 10^8 dm^3 to m
- nukeman
- · Replies 3 ·
Determining the direction of electric field flow and the sign on potential difference
- StudentofSci
- · Replies 1 ·
Block sliding down inclined ramp with varying friction
- Physicsdummy1
- · Replies 2 ·
Electrical Potential at point Y between 2 point charges
- BN Joe
- · Replies 1 ·
Determine Mass from Net Force, distance, and velocity
- Kupopopo
- · Replies 2 ·
Why is angular momentum conserved about point A despite gravity?
- eurekameh
- · Replies 1 ·
New mass moment of inertia of an object after rotation
- ravanbak
- · Replies 6 ·
Find Coefficient of Friction for Homogeneous Cube on Floor/Wall
- matematikuvol
- · Replies 1 ·
Induced EMF on a moving rod next to a line of current.
- grindfreak
- · Replies 4 ·
Solving the Paradox of Electromagnetic Induction
- Coffee_
- · Replies 2 ·
Elementary particles -their place in atom
- logearav
- · Replies 6 ·
What Is the Correct Calculation for Current in a Solenoid?
- tomsolo526
- · Replies 1 ·
Determine Va-Vb and the magnitude/direction of Ea-Eb
- StudentofSci
- · Replies 2 ·
Help with mechanics problem from images
- winichris
- · Replies 43 ·
Error Calculation in Multiplication of two measurement points
- brad gover
- · Replies 1 ·
Will the Baseball Clear the Fence?
- dani123
- · Replies 6 ·
How Long Does It Take for a High-Resistance RLC Circuit to Lose Half Its Energy?
- Nivlac2425
- · Replies 4 ·
Why Does an Inductor Behave Differently from a Resistor in an RL Circuit?
- hopkinmn
- · Replies 7 ·
Calculate the coefficient of friction of a box sliding down a hill?
- nerdgirl14
- · Replies 12 ·
Tension in string of objects connected question :o
- magiclink
- · Replies 9 ·
Triangle plane surface 2m base and 3 height
- manal950
- · Replies 9 ·