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 cylinder containing hydrogen gas
- agadag
- · Replies 3 ·
Conservation of energy - velocity problem
- lolzwhut?
- · Replies 16 ·
Calculate Dielectric Strength Breakdown Voltage
- theman408
- · Replies 18 ·
Magnitude of the Acceleration of an Elevator when it first begins to move
- xsorealx
- · Replies 1 ·
Factorising this damned equation
- StephenP91
- · Replies 3 ·
Kinematics of Rotational Motion
- miamirulz29
- · Replies 5 ·
Find the speed at the bottom of it's swing
- Dark Visitor
- · Replies 16 ·
Volume of Bubble at Bottom of Lake: 1.00 cm3
- agadag
- · Replies 1 ·
Simple Harmonic Motion-should be easy
- mattmannmf
- · Replies 1 ·
How does a superconductivity cable achieve zero resistance?
- StephenP91
- · Replies 2 ·
Simple Harmonic Motion - what is its new period
- mattmannmf
- · Replies 1 ·
Train horn Doppler effect frequency change
- taculator
- · Replies 3 ·
Is My Alternative Method for Calculating the Branching Ratio of W -> e-Ve Valid?
- venomxx
- · Replies 1 ·
Person dragging a bow with a rope - Calculate friction
- dois
- · Replies 10 ·
What Factors Impact Electron Attainment of Maximum Kinetic Energy?
- StephenP91
- · Replies 1 ·
Will my physics experiment work?
- Pi Face
- · Replies 5 ·
Calculating Distance of a Ball Rolled on Flat Surface
- Andrew100
- · Replies 7 ·
Athlete running at constant speed jumps and lands 5 meters away after 1 second
- devinchan126
- · Replies 1 ·
Common angular speed after collision
- csimon863
- · Replies 3 ·
Solving for Spring Constant: Displacement and Time Relationship
- Holly3.9
- · Replies 2 ·
Thermodynamics and simple harmonic motion
- vladimir69
- · Replies 2 ·
The football player: Vectors question
- alimf92
- · Replies 1 ·
How much usable air from a scuba tank decompressing from 3000 to 100 psi?
- qwerty1785
- · Replies 2 ·
Efficiency of an imaginary ideal-gas engine cycle
- Jacobpm64
- · Replies 7 ·
Solving Turbulent Flow Velocity Distribution in a Pipe
- mathfied
- · Replies 1 ·
Physics Angular Momentum Question
- gsimo1234
- · Replies 4 ·
Minumum electron energy and microscopes
- Firecloak
- · Replies 2 ·
Calculating Properties of a Standing Wave
- sonutulsiani
- · Replies 1 ·
Kinetic energy of a spring-mass system
- peachy112girl
- · Replies 1 ·
Calculating Kinetic Energy of a Sliding Wheelbarrow on an Inclined Ramp
- Dark Visitor
- · Replies 2 ·
Power of a Jet Engine: 1.5 * 10^9 Nm/s
- Dark Visitor
- · Replies 3 ·
Graph Potential Energy over Position
- merzperson
- · Replies 9 ·
Calculating Acceleration on an Inclined Plane
- myaaxcore
- · Replies 4 ·
Block sliding down frictionless 28° incline
- myaaxcore
- · Replies 3 ·
Find Horizontal Range of Projectile with Initial Speed of 60m/s
- jegues
- · Replies 2 ·
Work done by forces on a box sliding at constant speed down a 30° incline
- Dark Visitor
- · Replies 15 ·
Concept question: Angular momentum
- jegues
- · Replies 3 ·
Ernie's Ball Fall: Potential & Kinetic Energy
- Dark Visitor
- · Replies 10 ·
Distance between hydrogen molecules in H2 using specific heat capacity
- enjoi668
- · Replies 3 ·
Buoyancy and Archimedes' Principle of steel
- The_Fritz
- · Replies 2 ·
Rotational motion question, can anyone check over this result please?
- knowlewj01
- · Replies 1 ·
Equal Speeds at y = 0 for Frictionless Slides?
- abpandanguyen
- · Replies 8 ·
Bullet through pendulum bob: rod tension at bottom
- abpandanguyen
- · Replies 2 ·
Calculating Wavelength of Laser Diffracted by Slit Patterns
- Oijl
- · Replies 10 ·
Kinetic friction, tension, multiple masses
- Torquescrew
- · Replies 15 ·
Levene's Test for Equality of Variance
- maccaman
- · Replies 2 ·
Finding Speed of Projection for Two Balls Collision
- whiteman
- · Replies 3 ·
Change in entropy in irreversible and reversible process
- Kenny Lee
- · Replies 9 ·
Two charged spheres suspended from a thread at 30° angle
- dark.light
- · Replies 3 ·
What Is the Velocity of an Electron Between Capacitor Plates?
- missyc8
- · Replies 3 ·
Intensity of the superposition of sound waves
- chess10771
- · Replies 3 ·
Simple Harmonic Motion and displacement
- IAmSparticus
- · Replies 3 ·
Bungee jumper's lowest point using energy conservation
- jacksonpeeble
- · Replies 5 ·
Determine the mass per unit length of the string.
- chess10771
- · Replies 3 ·
What is the speed of a wedge sliding down an inclined plane?
- Identity
- · Replies 2 ·
How Do Surface Properties Affect Heat Absorption and Emission in Copper Discs?
- ChrisBaker8
- · Replies 1 ·
Conduction between a steel/copper cylinder.
- jj5959
- · Replies 1 ·
Distance Travelled Accounting for Friction
- merzperson
- · Replies 2 ·
Is a 2 kg pulley uniform based on moment of inertia?
- viciousp
- · Replies 1 ·
What Will the Concentration of Uranium 235 Be in One Billion Years?
- JDiorio
- · Replies 8 ·
Kinetic energy from potential energy graph for diatomic molecule
- PolyFX
- · Replies 1 ·
Calculating Rocket's Initial Velocity with 45-Degree Angle
- mitchy_boy
- · Replies 1 ·
Finding the lowest point for a bungee jumper with spring constant
- ~Sam~
- · Replies 1 ·
Was the Driver Really Traveling Under 15 km/hr?
- KrispyKrunch
- · Replies 1 ·
Conservation of Energy vs Force Analysis for Springs
- fee6
- · Replies 3 ·
Energy conservation (potential, kinetic, spring)
- jegues
- · Replies 9 ·
Trouble be force diagram, verticle circle
- jegues
- · Replies 3 ·
How long to swim off a 1350 Cal fast food meal?
- KatlynEdwards
- · Replies 3 ·
Electric field at the center of an arc
- tag16
- · Replies 4 ·
Rotational Motion: Meaning of ∫v(t)dt - ∫Rw(t)dt
- gsimo1234
- · Replies 1 ·
How Can I Accurately Measure Light Intensity After Polarization?
- ellion71
- · Replies 1 ·
Calculating Weight in Orbit: How Does Distance Affect Gravitational Force?
- abpandanguyen
- · Replies 2 ·
Telescope magnification and length from two lenses
- frostking
- · Replies 5 ·
Root mean square speed and ideal gases
- tigerlili
- · Replies 2 ·
A bullet embedded in a sliding block
- Identity
- · Replies 2 ·
Projectile Motion: Solving for Time and Initial Velocity
- Unsettledchim
- · Replies 4 ·
Conservation of Energy, Simple Harmonic Motion
- jacksonpeeble
- · Replies 3 ·
Calculate the efficiency of the electric motor.
- 1irishman
- · Replies 2 ·
Diffraction Grating, Maxima, finding slit seperation
- Oijl
- · Replies 5 ·
Find the displacement of the springs
- HardestPart
- · Replies 3 ·
Is Angular Momentum Conserved When a Block's Orbit Radius Changes?
- offbeatjumi
- · Replies 6 ·
Does the system do work on the environment if kinetic energy decreases?
- merzperson
- · Replies 1 ·
Finding speed of a block on a ramp/pulley
- tkim90
- · Replies 9 ·
Planet w/ hole drilled through it (gravity prob)
- ninjagowoowoo
- · Replies 16 ·
Finding tension in ropes supporting a mass
- Power of One
- · Replies 1 ·
What Temperature Allows a Brass Plug to Fit into an Iron Ring?
- davidkis
- · Replies 1 ·
Amplitude of light and intensity
- hangover
- · Replies 1 ·
Checking 2D projectile motion calculations for rock thrown from building
- Torquescrew
- · Replies 2 ·
Tunnel from north pole to equator
- Matija
- · Replies 1 ·
Translational Speed of a Bowling Ball
- deltas
- · Replies 2 ·
How Do You Calculate Magnetic Field Near a Current-Carrying Wire and Solenoid?
- djr1978
- · Replies 1 ·
Circular motion involving friction and tension
- fighter2_40
- · Replies 3 ·
Calculate Force of Gravity on Space Station at Different Distances
- mr.mair
- · Replies 1 ·
How Far is the Final Image from the Object in a Two-Lens System?
- fball558
- · Replies 1 ·
Calculating Heat Required to Change 1.0 kg of Ice to Steam
- Mr. Goosemahn
- · Replies 1 ·
Rotational and translational energy in a guillotine system
- Sheldinoh
- · Replies 7 ·
Conservation of Momentum, a Totally Inelastic Collision
- mvl46566
- · Replies 1 ·
Solving Friction Problems: Boy vs Girl Tug-of-War
- SkiingAlta
- · Replies 2 ·
A pulley with rotational inertia
- soccer_09
- · Replies 4 ·
What are the solutions to these logical reasoning questions?
- don.christian
- · Replies 2 ·