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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Weight distribution of rooftop aquaponics gutters with counterbalance
- utsharpie
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Calculating Amplitude and Phase for Superimposed Harmonic Oscillators
- kidia
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Does neon sign light form a continuous spectrum or only a few colors?
- Yael
- · Replies 7 ·
Calculating Acceleration of a Barge Being Pulled by a Horse Along a Canal
- Pirang
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Electron deflection in crossed electric and magnetic fields
- Camronnba
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Collisions in One and Two Dimensions
- helen3743
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Deriving the Coefficient of Rolling Friction for a Cart on an Incline
- Shay10825
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Calculating Average Drag Through Plasticene
- D.T.
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Uniform beam with weight: find support forces F1 and F2
- kbehie
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Solution: Distance Traveled by Car with Air Resistance
- Jess1986
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Speed needed to tumble over a cliff railing
- fishmonk
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Find block mass given pulley angular acceleration and string tension
- highlander2k5
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Minimum horizontal force to move a particle on an inclined plane
- eok20
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Gravitational Potential Energy Calculation for Satellite in Orbit
- Harmony
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Simple Steps to Solving Force-Related Problems
- Da-Force
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Do steel reinforcement bars degrade concrete's insulating value?
- MetalCut
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Suggestion on antimatter coursework
- vittel18
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Principle of Conservation of Linear Momentum
- helen3743
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How Does Mass Affect Velocity in a Two-Ball Pendulum Collision?
- chazgurl4life
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Questions on Electrostatics/Electricity/Stuff?
- Mehta29
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Phone a friend question and specific heat
- physicskillsme
- · Replies 6 ·
What other functions do home air conditioners have besides cooling?
- kidia
- · Replies 6 ·
Estimating Atmospheric Masses Using the Barometric Equation
- Brewer
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What is the Zeroth Law of Thermodynamics and How Does it Define Temperature?
- francisco
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What is the Kinetic Energy of the Daughter Nucleus?
- mb85
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Newton's second law with forces and connected masses
- joh
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What is the tension on the line when the elevator is accelerating
- superdave
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How Does Current Affect Magnetic Force and Torque in a Rotating Loop?
- kidia
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Optical spectrometer experiment
- LoD
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Satellite Orbital Transfers: How to Calculate Work Done by Rocket Motors
- pureouchies4717
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Why Does a Rigid Electric Dipole Move in an Electric Field?
- MaddenDude
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Should You Adjust Your Thermostat When Leaving Home for Short Periods?
- sharonita
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Solving a Momentum Problem: Calculating Average Force and Impulse
- rachael
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How Fast Must a Turntable Spin to Slide a Bug Off?
- neoking77
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Why do EM waves with different frequencies have the same speed?
- BoogieL80
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The cost to transmit the energy to the city each hour is $534.944.
- AdnamaLeigh
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How Do Asymmetrical Stepladder Masses Affect Vertical Forces?
- Swagger
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How Do You Calculate the Maximum Height of a Projectile Shot Upwards?
- pureouchies4717
- · Replies 5 ·
Box hanging from two springs connected by a cord
- Huskies213
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Showing a standing wave function satisfies the wave equation
- verd
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What Are Simple Home Experiments to Understand Molecular Behavior?
- Espresso
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Satellite orbital motion solved
- pureouchies4717
- · Replies 6 ·
Calculating Magnetic Field to Overcome Friction in Metal Wire Setup
- Dr.Brain
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Is Time a Scalar or a Vector in Physics?
- louis arthur
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Capacitors and Dialectric Constant
- kris24tf
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Straight Line Motion: Time & Distance Calculation
- Jess1986
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How Do Weight and Magnetic Force on an Electron Compare Near Earth's Surface?
- kidia
- · Replies 1 ·
Velocity and particle of a particle with a wave going through
- sauri
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Sunlight Intensity: Calculate Total Average Power Output of Sun
- 1ceHacka
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How does the photovoltaic effect work in a silicon solar cell?
- chuck_norris
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Simple harmonic motion and maximum speed
- sauri
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Magnetic Fields and Maximum Current
- Mehta29
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What is the required horizontal force to deflect a hanging rod by 30 degrees?
- John O' Meara
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How Much Ice Was in the Calorimeter Initially?
- boomboompoop
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Projectile with air resistance
- Jess1986
- · Replies 33 ·
Why is it that in general geodesics are paths of stationary character
- Thrice
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Atmospheric gas density ratio at 10 km altitude
- justinbaker
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Kinetic friction - finding time
- inner08
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Me Understand This Before The Test 2morrow: Current In Capacitor Circuit
- Lisa...
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How Do You Calculate Tension Forces in a Hanging Weight Problem?
- mrserv0n
- · Replies 1 ·
Calculating Density of Immersed Weight using Vibrations and Fluid Statics
- boomboompoop
- · Replies 1 ·
Power loss in transmission lines (Electromagnetic Induction and Faraday's Law)
- confusedbyphysics
- · Replies 1 ·
Total Acceleration of a Ball Whirled in Inclined Vertical Circle
- cfkorea
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Human Eye Resolution: Testing Light Levels
- alex_boothby
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N-slit Interference/Diffraction
- Warr
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+ or - in an equilibrium problem
- blutoonwcarrotnnail
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Solving for Time of Collision for 2 Particles with Initial Speed u
- Jess1986
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Charging a Battery: Finding the Current in a Series Circuit
- moo5003
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Spring System with Masses: Force and Vertical Oscillations
- Lewis
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Electrical Fields in everyday life
- standardflop
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Efficiency of Carnot Engine w/ 0.75kg Ideal Gas
- endeavor
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How Much Heat Does a 111V Electric Iron Develop in One Hour?
- AdnamaLeigh
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Parallel Batteries: Power a Wheelchair Motor
- moo5003
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How Do I Calculate the Specific Heat of Metal in a Heat Transfer Problem?
- Disgustipated
- · Replies 11 ·
Calculating Wave Distance Across Land
- NoHeart
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Finding magnetic force on two different segments
- ultrabionic_ang
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Looks like a lot of people mess up on energy
- Da-Force
- · Replies 9 ·
Collaborative homework increasing error rates in physics?
- pureouchies4717
- · Replies 2 ·
Banked circular track: smallest and largest speed without friction
- helen3743
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Calculating Work and Energy in a Block on an Inclined Plane
- chazgurl4life
- · Replies 16 ·
Calculating Particle Collision Time and Speeds in Vertical Projection
- Jess1986
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Roller coaster velocity with friction over 35 m distance
- chazgurl4life
- · Replies 9 ·
Velocity of a Raindrop: Solving $\frac{dv}{dt} = 9 - 09.t$
- cscott
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Speed and height of ball released by compressed spring
- chazgurl4life
- · Replies 8 ·
DrewDrew's Rotational Dynamics Questions: Seeking Answers and Understanding
- johngatlin
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Work and enegry theoretical problem
- chazgurl4life
- · Replies 6 ·
Mechanics -straight line motion
- Jess1986
- · Replies 11 ·
Calculating Time and Oscillations in Spring-Mass System | Beginner's Guide
- kel
- · Replies 19 ·
Image diameter from Sun through lens with focal length 20.6 cm
- mr_coffee
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Tangential and normal acceleration for a particle in elliptical orbit
- brasilr9
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Proof for Radiation Momentum Transfer to Perfect Absorber?
- Kenny Lee
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Should you lower the cold reservoir or raise the hot one to increase Carnot efficiency?
- endeavor
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Finding final speed from force, mass, and distance
- physicskillsme
- · Replies 13 ·
What Force is Responsible for a Car's Kinetic Energy?
- nicolas38
- · Replies 2 ·
Millikan's experiment with a twist
- physicsss
- · Replies 2 ·
Physics principles in combustion engines
- TysK
- · Replies 2 ·
Tire inflation to determine weight
- BooGTS
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Can a Man Catch a Constantly Accelerating Train?
- Jess1986
- · Replies 1 ·
Distance from camera to bird image in plane mirror
- mr_coffee
- · Replies 10 ·