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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[EE] Figuring out the E and B fields from two dipoles
- Ran4
- · Replies 1 ·
Rockets and accleration with kinematics
- Watthelol
- · Replies 2 ·
Need Help - dragging a trunk up a loading ramp
- Lolagoeslala
- · Replies 20 ·
Force problem with equation Please see question. Need help with this problem.
- NasuSama
- · Replies 6 ·
Spherically symmetric charge density given electric potential
- stauber28
- · Replies 5 ·
What was the plane's landing speed?
- tworley1977
- · Replies 7 ·
Force between Two Current-Carrying Wires
- Peter G.
- · Replies 1 ·
Where does an electron emit or absorb radiation
- DODGEVIPER13
- · Replies 7 ·
Finding tension of 2 wires at different angles
- rollad
- · Replies 3 ·
Kinematics - getting different answers when using different units
- shwatwat
- · Replies 5 ·
Need to find the distance for the physics problem.
- NasuSama
- · Replies 9 ·
How object distance varies with distance(depth)?
- NANDHU001
- · Replies 7 ·
How to deal with vectors (Motion in two dimension)
- RuthlessTB
- · Replies 5 ·
How to find the net force, acceleration, and speed of Hovercraft?
- turtle4yj
- · Replies 4 ·
Mr. H Falls from the Top of a Climbing Wall
- turtle4yj
- · Replies 2 ·
Solving a Lever Problem: Need Help from Experts | Join Our Forum!
- Girn
- · Replies 3 ·
How High Does Henry Bounce on the Trampoline?
- MarkB4077
- · Replies 5 ·
Where Do Two Bouncing Balls Meet?
- pmd28
- · Replies 3 ·
Rolling motion with mass attached to the rim
- kushan
- · Replies 18 ·
Car going up a hill. Find the Angle of the hill.
- pmd28
- · Replies 45 ·
Given vi and a(v) calculate 1. v(t) 2. time to stop 3. distance to top
- IvyCap
- · Replies 1 ·
A person slides downa spherical, frictionless surface.
- pmd28
- · Replies 19 ·
Calculating Acceleration in a Wedge-Block System on a Frictionless Table
- oldspice1212
- · Replies 6 ·
Uniformly Charged Circular Disk
- cheungw
- · Replies 2 ·
Calculating Work Done by Gravity & Air Resistance on Raindrop
- AryRezvani
- · Replies 5 ·
Calculating Bounce Height Using Conservation of Energy
- NasuSama
- · Replies 9 ·
Force of kinesin molecule within cells
- omc1
- · Replies 1 ·
Solving Work Problem: Find Force & Distance
- NasuSama
- · Replies 6 ·
Why Is My Acceleration Calculation Not Matching the Expected Result?
- Bashyboy
- · Replies 8 ·
Equivalent Voltage for Thevenin Equivalent Circuit
- Kurushimi
- · Replies 1 ·
How Do Magnetic Forces Between Parallel Current-Carrying Wires Impact Wire I1?
- darwin59
- · Replies 2 ·
Sandbag Dropped from Moving Balloon
- Lycouras
- · Replies 3 ·
Force on a Wire In Uniform Magnetic Field
- bmb2009
- · Replies 4 ·
Tension Problem, with slope and 2 masses
- thoradicus
- · Replies 5 ·
Find the force needed to move the elephant
- BoJunior
- · Replies 3 ·
Distance, Acceleration and Time Question
- student34
- · Replies 2 ·
Need help finding the thrust and exit diameter of a rocket
- strine07
- · Replies 1 ·
Finding the acceleration in a gear rotating and constrained by a link.
- theBEAST
- · Replies 6 ·
Free Fall Lab Question: Calculating Average Acceleration and Velocity
- seallen
- · Replies 6 ·
Friction: decelerating vehicle on dry and wet concrete
- tratata
- · Replies 7 ·
Force and Tension - Calculating Force on another object
- AstoAerial
- · Replies 6 ·
Collision between two moving blocks with a spring
- Tadams92
- · Replies 2 ·
Calculating Net Force for a Viper Accelerating at 45 km/hr in 2 seconds
- socialfox
- · Replies 4 ·
Statement about ball thrown upwards
- chewchun
- · Replies 7 ·
Centripetal Motion along the horizontal with an angle
- mpmor1
- · Replies 14 ·
Need help to analyze the circuit for a HW problem
- Parad0x88
- · Replies 6 ·
Why is the normal force on a roller coaster's peak greater than mg?
- Smileyxx
- · Replies 4 ·
Helicopter Flight and Jet Pack Adventure
- oldspice1212
- · Replies 15 ·
Finding Resistance from internal resistance and Power in a circuit
- MasterVivi
- · Replies 5 ·
WOrk done by a variable force (in two dimension)
- daivinhtran
- · Replies 5 ·
Vector evaluation & Lorentz force law
- Roodles01
- · Replies 3 ·
How Fast is the Other Car Going Relative to You?
- Hannah1
- · Replies 7 ·
Deriving Kinetic Energy in a U-Tube with Varying Cross-Sectional Area
- RockenNS42
- · Replies 4 ·
Clarification on calculating Electrical Force and charge
- yudi
- · Replies 5 ·
How Much Energy Can We Obtain from 211g of Peanuts?
- Hannah1
- · Replies 4 ·
Atomic Energy Levels - Calculating the Minimum Energy of Light Emitted
- LovePhys
- · Replies 1 ·
Buoyant Force Problem: Fraction of Length in More-Dense Liquid | Solution
- amw2829
- · Replies 20 ·
How Do Friction and Surface Affect Block Acceleration in a Pulley System?
- joel amos
- · Replies 6 ·
Super fun projectile motion ski slope problem
- Peppo
- · Replies 1 ·
Structural Mechanics - Statics / Truss
- physicx_1
- · Replies 1 ·
The Physics Behind a Bullet Hitting The Human Body
- MG5
- · Replies 3 ·
Wordy Physics on Forces, Pulleys, and Friction
- capn awesome
- · Replies 5 ·
Need help related to heat, water and aluminium
- Sl1ver
- · Replies 3 ·
Need help on how to figure out the problems (Steam)
- Sl1ver
- · Replies 2 ·
Free fall equations Sky diver Felix need some help please
- najat
- · Replies 2 ·
How Can I Survive a Physics Class I'm Unprepared For?
- christina007
- · Replies 8 ·
What Is the Instantaneous Axis of Rotation for a Pure Rolling Disc?
- kushan
- · Replies 18 ·
Calculating Static Friction Coefficient w/ Angle of Uniform Slip
- tratata
- · Replies 2 ·
Finding acceleration of a box with two forces acting on it
- mikky05v
- · Replies 1 ·
FreeFall motion Assumptions in proving
- nabet94
- · Replies 10 ·
I'm LOST Car is suppose to overtake truck but at what velocity?
- nabet94
- · Replies 4 ·
How Do You Calculate the Mass of a Chair from Force and Acceleration?
- koolaid123
- · Replies 1 ·
How Is the Center of Mass Calculated for a Solid Cone?
- Carnivroar
- · Replies 2 ·
Ski Jump (Conservation of Energy)
- Albeaver89
- · Replies 5 ·
Flow Velocity- Guranteed to be Laminar
- flash_659
- · Replies 2 ·
How Is the Electric Field Calculated at the Third Vertex of a Triangle?
- skg94
- · Replies 2 ·
Why Is the Tension in a High Wire Much Greater Than the Performer's Weight?
- vysero
- · Replies 1 ·
HW help requested (Tension, Circular motion, Work and Energy Theorum)
- Burnenator
- · Replies 1 ·
Box sliding on 35 degree grade
- joel amos
- · Replies 5 ·
Conservation of Momentum of a shot bullet
- Kennedy111
- · Replies 2 ·
Magnitude of Acceleration and Work
- scotthyppo
- · Replies 16 ·
What Goes on the X-Axis and Y-Axis in a Centripetal Force vs Period Graph?
- ahhppull
- · Replies 2 ·
Find the Initial and Final states of an excited Hydrogen Atom
- Mrbilly
- · Replies 1 ·
Einstein's energy mass relation
- Hannah1
- · Replies 2 ·
Natural force down incline plane
- PhizKid
- · Replies 12 ·
How Do You Calculate the Momentum of a Moving Car?
- Hannah1
- · Replies 2 ·
What is the Momentum of a 75 kg Freshman Moving Southward at 3m/s?
- Hannah1
- · Replies 2 ·
AM (SSB-SC) Signal Bandwidth 941 kHz 20 Hz-19 kHz
- qduy
- · Replies 6 ·
What Are the Correct Units for Momentum?
- Hannah1
- · Replies 2 ·
Rolling Object, Moving Incline
- BryMan92
- · Replies 2 ·
Capital Punishment @ the Dark Ages Penitentiary.
- Hannah1
- · Replies 2 ·
Momentum of a Ball tossd in the air.
- Hannah1
- · Replies 2 ·
Change in Momentum: Truck v Volkswagen
- Hannah1
- · Replies 1 ·
Momentum if Velocity is Doubled
- Hannah1
- · Replies 2 ·
Calculating acceleration in X and y direction
- overmyhead1
- · Replies 1 ·
Overcoming static friction - easy
- joel amos
- · Replies 1 ·
Easy but hard problem (loop-the-loop) normal force?
- daivinhtran
- · Replies 1 ·
What Differentiates Work Done by a Spring vs Work Required to Stretch It?
- daivinhtran
- · Replies 5 ·
What Forces Keep a Laptop on a Car Roof at High Speeds?
- riseofphoenix
- · Replies 11 ·