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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A cube of some substance floats
- cashflow
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Capacitor charging with unknown resistor
- cdotter
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Help:Finding the minimum force to restain a block
- mj1888
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Which disks are in equilibrium?
- taliaroma
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Specific heat in izobaric process
- player1_1_1
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Meteorite strikes Earth; Change in rotational frequency
- pcml100
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Speed of 1.00-kg ball after head-on collision with 0.50-kg ball
- whoopie88
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Determine the NEW force of attraction between two masses
- OverAchiever
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Static friction in Rotational Motion
- liltony817
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Calculate Nitrogen Gas Density at 1.7 Atm, 332K
- LostInScience
- · Replies 9 ·
Falling Meteorite - Gravitation PE + KE
- Faint
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What time and at what distance do two objects meet?
- Kuroida
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How Does Phase Angle Affect Current in an Undriven RLC Circuit?
- brollysan
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Impulse of a Ball - Greatest Change in Momentum
- I Like Pi
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Electromagnetism and Light Questions
- appplejack
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How Do You Calculate Work from a Force Applied at an Angle?
- gggorillaz
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Roller coaster loop searching for Height
- gggorillaz
- · Replies 6 ·
Aparant size of an object based on distance from it.
- Runaway
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Maximum velocity for a piston in simple harmonic motion.
- Runaway
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Calculating the Angle of Deviation at a Glass-Air Interface
- futb0l
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Conservation of momentum and a uniform rod
- mmiller9913
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Momentum Question: Calculating Velocity on a Rolling Platform
- runningirl
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Momentum update with air resistance
- ohheytai
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Understanding the Relationship Between Satellite Properties and Orbit Radius
- dheath90
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Why can't force normal produce a torque?
- hellocello
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Can we model fictitious forces using vectors?
- flyingpig
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What is the electric field above an infinite plate with a given charge?
- manenbu
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Can a Widget Withstand Large Accelerations and Decelerations?
- 3ephemeralwnd
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Speed of Sound Lab (using slope to find speed of sound)
- goman519
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Single Slit Diffraction and Monochromatic light
- jones268
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Newton's Third Law: Solving the Man & Sled Puzzle
- brewAP2010
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What is the final pressure of an adiabatically compressed gas in a container?
- de3tz
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How Does the Radius Affect the Magnetic Field Inside a Solenoid?
- Chip90
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Understand Power Loss in a Wire Through V, I and R
- kuwerty
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Magnetic field at the center of a cube of wires
- Schecter5150
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Physics underpinning Impedance Plethysmography
- Sarahf
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Prove a lens must always be converging if
- jones268
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CIRCULAR MOTION PROBLEM INVOLVING SPRING. In dire need of help please.
- jcfor3ver
- · Replies 6 ·
Rigid equilibrium question involving a ladder
- LizzleBizzle
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Two Identical Car Accidents: Which is More Dangerous?
- mcneilmo
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Pendulum tension in rotating reference frame
- knightcydonia
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Moment of Inertia of a thin uniform wire
- kelslee28
- · Replies 7 ·
Block against a wall (friction problem)
- 3ephemeralwnd
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Maximum Number of reflections in optical fibre
- physicoo
- · Replies 9 ·
Angular Momentum conceptual question
- brushman
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What is the moment of inertia of the pendulum
- dazedy
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A sliding puck analyzed from an inertial reference frame
- Raziel2701
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Pressure, constant volume gas thermometer, and thermodynamics
- nibbles198
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Light bulbs in parallel and series
- meadow
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Finding Applied force given Mass and Kinetic and Static coefficients.
- Hieroglyphics
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What Color Will a 320nm Soap Film Appear in Reflected Light?
- revacious
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What is the acceleration and g-force of a space cannon on the moon?
- midgetwars
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Angular Kinematics & Moment of Inertia: IforPointM
- huybinhs
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Torque of a man doing exercises against a wall?
- imatreyu
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Momentum: Skater A & B on Frictionless Ice
- runningirl
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Symbolic Centripetal Force Problem on WebAssign
- darthfodder
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Can Gauss' Law be applied to point charges on non-spherical surfaces?
- manenbu
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Velocity of water in a water tank
- dherr12
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Conservation of energy and momentum homework
- tica86
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Angular Momentum of man holding a weight
- eprparadox
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Dont understand physics work question?
- elpermic
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Static Friction of a Braking Truck
- Calam1tous
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Special Relativity-particle physics
- SMG75
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Cross Product of i x -i: Answer?
- Dudealadude
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Moment of intertia of thin disc
- BradP
- · Replies 10 ·
Calculating Momentum of a Puck with Given Velocity and Mass
- zaraox
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What Is the Phenomenon of Changing Direction Towards a Moving Target Called?
- Pawnag3
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Why is the flux on top and bottom of a cylinder ignored in Gauss's law?
- Acuben
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What is the Net Force Acting on an Object on an Inclined Plane?
- toyotadude
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Newtons Second Law For A System Of Particles
- richard karn
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Simple energy question, but getting different results with different methods
- defetey
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Buoyancy question about styrofoam
- HadManySons
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Calculating Spontaneous Fission Rate of 238U and Its Half-Life
- matt222
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How Far Will a Uniformly Accelerating Train Travel Before Stopping?
- Phyzics J
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Distance a rotating turnable moves
- preluderacer
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Was Either Car Speeding at the Time of the Accident?
- High_Voltage
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What is the acceleration of the upper block after the string breaks?
- eprparadox
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Maximizing Rotational Motion Energy
- preluderacer
- · Replies 9 ·
Constant horizontal pull on a sled
- wondermoose
- · Replies 9 ·
Why Do Solid and Hollow Spheres Show Different Electric Fields Inside?
- Acuben
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Conservartion of Energy - spring problem
- Nynex
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Hot air balloon - Ideal gas law
- andyfry
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How to find power dissipation in combination circuit?
- boilerpilot
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How is the wavelength of monochromatic light measured
- franklinear
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Torque Problem, acceration of mass. Help
- mmmboh
- · Replies 20 ·
Calculating Horizontal Distance Between Two Hot Air Balloons | Vectors Problem"
- hannah2329
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Resultant force on aircraft door
- Andy21
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Momentum problem with varying mass
- issacnewton
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How Is the Lowest Center of Mass Calculated for a Draining Soda Can?
- lax1113
- · Replies 15 ·
Astronomy-particle density/interior temp of sun check
- accountkiller
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Calculating Gas Pressure in a Piston System with Added Weight
- dragon162
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Understanding Truss Problems: Solving for Reaction Forces and Member Forces
- smashbrohamme
- · Replies 6 ·
Calculate Angular Momentum of a Rotating Solid Disk | Physics Homework Help
- asdf12321asdf
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Angular velocity of rigid body
- yetar
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How Can We Calculate Rollercoaster Loop Dynamics With Friction?
- igforce
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Projectile Motion Problem and Muzzle Velocity Help Needed
- AudioGeek
- · Replies 8 ·
Solving a Physics Homework Problem: Work, Distance, & Normal Force
- funnyguy
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Rolling cylinder on an incline
- andrewp7
- · Replies 3 ·
Slide Block Problem With Strings
- Hypnos_16
- · Replies 1 ·
Calculating Bullet Velocity using Frictional Force and Block Displacement
- runningirl
- · Replies 1 ·