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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Having trouble starting gravity problem.
- Crusaderking1
- · Replies 6 ·
How Can I Determine the Volume of a Diatomic Ideal Gas in a Rigid Container?
- Latios1314
- · Replies 5 ·
Electric flux charge through a cube
- ZEli
- · Replies 4 ·
Finding current in suspended parallel wire with magnetic force
- j.m.g.
- · Replies 21 ·
Electrostatics, sphere question.
- vkash
- · Replies 2 ·
Solve for charge(q), given radius, electric field, and density
- Lemon-Sam
- · Replies 2 ·
Solving the Puzzle: Calculating Acceleration of Blocks
- anigeo
- · Replies 1 ·
How Does Special Relativity Explain the Age Difference Between Twins?
- godtripp
- · Replies 3 ·
How High Does the Elevator Meet the Coin in Torronto Tower?
- khurram usman
- · Replies 1 ·
Forces on two masses hanging vertically from strings
- shawli
- · Replies 6 ·
Finding mass on inclined plane from tension and normal force
- iPaul
- · Replies 5 ·
Water slide problem with friction work and energy
- bulbasaur88
- · Replies 8 ·
Engineering Statics: pressure on dam question
- thepatient
- · Replies 2 ·
Solving Physics Problem: 31kg Skier on 13° Slope w/ Wind Force
- Hiche
- · Replies 5 ·
-Unsolved-Work, Energy problem and friction
- bulbasaur88
- · Replies 1 ·
Equipartition Theorem Question
- ashworcp
- · Replies 2 ·
Block projected up a frictionless incline with initial speed V0
- wuffle
- · Replies 2 ·
How Do You Calculate the Components of Acceleration for a Car on a Curved Track?
- mattyc33
- · Replies 2 ·
What is the kinetic energy of particles with a de Broglie wavelength of 0.50 nm?
- thatoneguy123
- · Replies 2 ·
Refraction of light through a prism
- logearav
- · Replies 2 ·
Momentum, collisions, and conservation laws
- jocon003
- · Replies 1 ·
Elastic string. Ball. Kinetic energy. Confusion.
- swong1
- · Replies 3 ·
Work done by a car against friction over 6 km
- Tuvshee
- · Replies 5 ·
Constant Current in a series circuit
- Celluhh
- · Replies 83 ·
Tangential and centripetal acceleration at a joint
- wit13
- · Replies 3 ·
How Do Progressive Waves Transfer Energy Through Mediums Like Water?
- unscientific
- · Replies 1 ·
Capacitor in AC circuit plus DC offset
- nik2011
- · Replies 6 ·
I in: Mechanical Oscillations - Angular freq, Energy of oscillating system
- Mason'sWorld
- · Replies 2 ·
Friction problem with loop (work and energy)
- pulcroman
- · Replies 2 ·
Kinematics problem-finding acceleration
- life is maths
- · Replies 5 ·
Voltage drop difference in closed and open circuits
- iser777
- · Replies 6 ·
Physics problem involving rotational motion.
- shivamparke
- · Replies 4 ·
Prove using three basic probability axioms
- hassman
- · Replies 2 ·
Internal energy when stirring a liquid.
- JustinLiang
- · Replies 5 ·
Mass suspended by 3 ropes (midterm practice)
- thesunken
- · Replies 1 ·
Final temperature of system containing ice and a copper can when steam is added?
- JustinLiang
- · Replies 3 ·
Projectile Time variable confusion
- euphoriax
- · Replies 8 ·
Why Are Perpendicular Bisectors Used in Plane Mirror Diagrams?
- logearav
- · Replies 3 ·
Difference in radius, same power and intensity?
- SPcle
- · Replies 3 ·
Proton Beam Moving in +x Direction Through E and Magnetic Field
- charlies1902
- · Replies 12 ·
Finding Initial Separation on an Inclined Plane with a Compressed Spring
- f25274
- · Replies 5 ·
2 dimensional problem with only angle and direction.
- freeofwork
- · Replies 14 ·
Finding the Relative Density of a Floating Sphere in Liquid
- Darth Frodo
- · Replies 1 ·
Pulling carts attached by springs
- aten_vs_ra
- · Replies 1 ·
Need help plotting a 4th order polynomial
- david martin
- · Replies 4 ·
Golf ball projectile motion: finding flight time
- rmiller94
- · Replies 2 ·
Infinite lines of charge on 3 corners of square
- accountkiller
- · Replies 9 ·
Why is 2theta(radians) being used to find the angular acceleration.
- gibson101
- · Replies 6 ·
Solving Angular Velocity of Particle Skimming a Planet
- treynolds147
- · Replies 1 ·
What is the Moment of Inertia of the Pulley?
- GreenPrint
- · Replies 12 ·
Determing vapour pressure experimentally - how?
- Nonnick
- · Replies 8 ·
Proper Hand Position for Right Hand Rule in Wire Current and Magnetic Field
- pyroknife
- · Replies 4 ·
How to find the tension in a guitar string?
- JustinLiang
- · Replies 4 ·
Calculating Impulse Without Mass: A Bouncing Ball Lab Dilemma
- Megzzy
- · Replies 4 ·
Are the forces labeled correctly in this diagram?
- Miike012
- · Replies 14 ·
What is the maximum range of a projectile gun with a speed of 315m/s?
- euphoriax
- · Replies 1 ·
Skydiver with parachute drifting in crosswind
- LadyW
- · Replies 1 ·
Easy Rotational Motion Question
- GreenPrint
- · Replies 11 ·
Shape of Standing Wave at Maximum Kinetic Energy
- knowNothing23
- · Replies 10 ·
Force between two long straight wires
- nevsbrother
- · Replies 1 ·
Train on 4.4 Incline: Solving for Momentary Rest
- Manni
- · Replies 2 ·
How do you calculate current and power density in a spherical conductor setup?
- WJSwanson
- · Replies 7 ·
Are My Free Body Diagrams for Two Boxes on an Incline Correct?
- forum member
- · Replies 5 ·
A trace between a dog and a rabbit
- athrun200
- · Replies 4 ·
Finding the Equation of c in a Moving Wedge with a Particle
- athrun200
- · Replies 4 ·
Calculate the temperature of a mixture
- tyneoh
- · Replies 2 ·
How Far Will the Skateboarder Travel Up the Second Incline?
- phizics09
- · Replies 13 ·
Resistance, Current, two cylinders
- JosephK
- · Replies 6 ·
Translational Kinetic Energies + Plane
- Kishor Bhat
- · Replies 4 ·
Angle Calculation for Car-Truck Collision
- aszymans
- · Replies 5 ·
Does This Answer Make Sense (basic EM)
- ZenOne
- · Replies 1 ·
Atom Interaction: Solving T=E^2/4*(M+m)c^2
- matt222
- · Replies 1 ·
Determining total charge on the surfaces of spherical conductors
- RichardEpic
- · Replies 3 ·
Solving Velocity & Angle of Proton After Glancing Collision
- yardy_genius
- · Replies 6 ·
Moment of inertia of the body Question
- Kishor Bhat
- · Replies 21 ·
Vector components: is vertical displacement the j or k component?
- yardy_genius
- · Replies 2 ·
Newton's Law question, Not sure if right
- BreakPoint
- · Replies 1 ·
Exciting distance problem Only 2 variables are given.
- Wolftacular
- · Replies 6 ·
Bullet into block of wood on table edge
- KendrickLamar
- · Replies 2 ·
Rifle Bullet Pendulum (Solved just on 1 aspect)
- KendrickLamar
- · Replies 2 ·
What is the acceleration of the minimum mass needed to prevent slipping?
- SherBear
- · Replies 6 ·
What Is the Maximum Mass M3 Can Have Without the Block Sliding Off the Slab?
- Singdasorrow
- · Replies 5 ·
Series-Parallel-Series Circuits
- Monkey69
- · Replies 2 ·
Work done lifting a cat litter carton 0.75 m
- paxian
- · Replies 4 ·
Horsepower/friction problem, find Ff
- aelarz
- · Replies 3 ·
Given acceleration and velocity; find length
- cassienoelle
- · Replies 1 ·
Does Wire Diameter Affect Tension in Vertically Suspended Loads?
- danielnjoo
- · Replies 3 ·
Simple vector train problem drawing
- kirby27
- · Replies 2 ·
Messing up simplifying formula for head on collision problem
- slambert56
- · Replies 20 ·
Crazy Projectile Motion Problem Coming Right At Yah
- loopsnhoops
- · Replies 6 ·
How to get Voltage vs. Time graph from having Current and Voltage values.
- suntrix
- · Replies 1 ·
Simplifying and identifying parallel circuits
- ashlynne_
- · Replies 14 ·
Radial acceleration: Rotating Carousel
- paxian
- · Replies 2 ·
Find tension with two cables at different angles
- gmuck
- · Replies 4 ·
How Is Electric Potential Calculated Between Two Points in a Field?
- Strawer
- · Replies 11 ·
Work and speed from acceleration graph of 3.0 kg particle
- rover_dude
- · Replies 8 ·
How to Derive the Acceleration of Mass A in a Double Atwood Machine?
- JoeBargo
- · Replies 7 ·
Protons/Neutrons/Electrons in Function to the Atom
- Smetsnaz
- · Replies 1 ·
Electrostatic field and potential of an electric dipole inside a conductor
- libelec
- · Replies 9 ·
Simple vector on a train drawing problem
- kirby27
- · Replies 1 ·