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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How far will a car coast up a slope before rolling back down?
- kappcity06
- · Replies 3 ·
Vector displacement equation trouble
- Melchior25
- · Replies 4 ·
Maximum speed of car round banked bend
- jaderberg
- · Replies 4 ·
Coefficient of Kinetic Friction physics
- Chaoticsouls
- · Replies 1 ·
Truss Structure Dilemma: Determining Compression and Tension Forces
- crustation
- · Replies 7 ·
How Many Excess Electrons or Protons Does a Suspended Water Drop Have?
- arod2812
- · Replies 3 ·
Find Distance of Bird Flight for Bike Vectors
- stryker23
- · Replies 7 ·
Finding mass of fat on a chicken by volume and density
- 03cobra 87gn
- · Replies 1 ·
Vector Product Direction & Magnitude Calculation
- starchild75
- · Replies 3 ·
Calculating Torque: A Gym Athlete's Challenge
- leslie113
- · Replies 4 ·
Solving Dynamics Problem: Find Velocity, Distance & Rest Point
- ncr7
- · Replies 10 ·
Rocket maximum height with motor cutoff at 9.1 s
- ArcadianGenesis
- · Replies 3 ·
Help with Calculator Problem: cos of -0.175
- starchild75
- · Replies 3 ·
Which Particle Reaches the Other End of the Hemisphere First?
- physixguru
- · Replies 2 ·
River Velocity Calculation with Kinematics Equations
- dougr81
- · Replies 7 ·
When does the particle reach its maximum x position?
- suxatphysix
- · Replies 5 ·
How Does Wind Speed Affect Indoor and Outdoor Air Pressure Differences?
- JRose
- · Replies 6 ·
Wave interference equations help
- JLPhysics
- · Replies 1 ·
Vector Addition of Electric Forces in a Plane
- dchrisma
- · Replies 4 ·
Will Speedy Sue Collide with the Van in the Tunnel?
- Melchior25
- · Replies 3 ·
Why Does Resistance Increase with Temperature in Conductors?
- kevinf
- · Replies 3 ·
True or false velocity physics question double check
- Melchior25
- · Replies 3 ·
Cutting a Copper Wire for Different Resistances
- DevilishNole
- · Replies 3 ·
How Do You Determine Potential Energy in Electric Field Calculations?
- BuBbLeS01
- · Replies 5 ·
Solving Rectilinear Motion: Find Car Acceleration at t=4s
- Saladsamurai
- · Replies 9 ·
Gravitational field between two planets.
- harelo
- · Replies 15 ·
Dynamics Question: Skier Sliding Distance
- MemoIhad
- · Replies 11 ·
Where Do Knights Collide in a Physics Problem?
- ian_durrant
- · Replies 2 ·
Solving V and eV Questions: Work Function & Threshold Frequency
- dangsy
- · Replies 7 ·
Kinematics (a little more difficult then I am used to)
- Roger Wilco
- · Replies 2 ·
Resolving forces of a particles in equi
- hasnain721
- · Replies 4 ·
When Will the Thrown Mass Overtake the Dropped Shot Put in Freefall?
- yakiland
- · Replies 1 ·
Constant Acceleration Automobile
- AnkhUNC
- · Replies 4 ·
Calculating Energy Released in Water Temperature Change
- tornzaer
- · Replies 5 ·
Center of Mass of an irregularly shaped object
- tseryan
- · Replies 2 ·
Calculating Deceleration and Penetration Distance of Arrow in Styrofoam Block
- kinj318
- · Replies 2 ·
Non-ideal atwood machine problem
- jacker2011
- · Replies 8 ·
What is the Equivalent Resistance and Current in this Electrical Circuit?
- christina_m
- · Replies 2 ·
How to Calculate the Height of a Building from Spiderman's Free Fall?
- me_duele_cabeza
- · Replies 6 ·
What Forces Act on a Tightrope Walker Falling into a Net?
- tod88
- · Replies 2 ·
Uniform circular motion problems
- smally
- · Replies 4 ·
How to Calculate Electric Potential at Point P in a Triangle with Charges?
- hotcommodity
- · Replies 6 ·
How Do I Correct My Physics Calculations?
- squib
- · Replies 2 ·
Why higher frequency allows the signal to carry more data.
- SciencePF
- · Replies 3 ·
Heat Loss Through Wall: Thermal Resistance Calculation
- Math Jeans
- · Replies 4 ·
Boy Swim River: Time & Angle Calc
- Sauk
- · Replies 1 ·
Electric Field in a living cell
- arod2812
- · Replies 1 ·
How Does Electric Field Magnitude Make a Charged Ball Float?
- arod2812
- · Replies 3 ·
Acceleration in a Pulley System
- LemonBeef
- · Replies 2 ·
Find the force at the middle point of the rod
- atavistic
- · Replies 4 ·
Calculating Intensity of 13-Watt Bulb at 1.2m Distance
- looi76
- · Replies 1 ·
Rami Running at 0 Vel: Solved Relative Motion
- faunmia
- · Replies 1 ·
Moment of inertia cylinder problem
- brendan3eb
- · Replies 1 ·
How Does Compressing a Syringe Affect an Ideal Gas?
- adam878787878
- · Replies 13 ·
Tennis Ball Impact: Calculating Force & Speed
- physco827
- · Replies 1 ·
Solving Physics Lab Cube Sliding Problem
- dboychuk
- · Replies 2 ·
Determining Range of Projectile Launched at 10 m/s
- Bingo1915
- · Replies 2 ·
Angular Momentum of Rotational Dynamics System
- linnus
- · Replies 3 ·
What Are the Two Possible Values of C in a Damped Harmonic Oscillator Equation?
- clipperdude21
- · Replies 1 ·
Solve Thermal Expansion: Floating Glass Block in Methyl Alcohol
- chantalprince
- · Replies 1 ·
Capacitance of Axon: Calculate Farads
- rcmango
- · Replies 4 ·
How far will a ball travel when rolled off a ramp?
- Hothot330
- · Replies 3 ·
How Fast Did Nicole Throw the Ball?
- zellster87
- · Replies 1 ·
How Do You Calculate Chase Time and Distance in Physics Problems?
- rmvdl100
- · Replies 2 ·
[DESPERATE] Frank-Hertz/Compton/De Broglie
- alexlee33
- · Replies 8 ·
Velocity Calculation: Marilyn Bell's Lake Ontario Crossing Anniversary Swim
- Tiplerfan
- · Replies 7 ·
Work done during sandpaper application on horizontal surface
- Jbum
- · Replies 1 ·
Why Does Static Friction Point Upwards on an Incline?
- Niles
- · Replies 1 ·
What Is the Change in Linear Momentum of a Superball During Collision?
- lukejian
- · Replies 12 ·
What must the resultant of the two tension forces in the ropes be?
- VanKwisH
- · Replies 15 ·
What Is the Kinetic Energy of an Alpha Particle at Point B in Electron Volts?
- rcmango
- · Replies 1 ·
What is the solution to this relative motion problem?
- temaire
- · Replies 5 ·
Is c) the correct answer for this Mechanical Energy problem?
- temaire
- · Replies 4 ·
Calculating Sidereal Time for a Star's Upper Culmination at a Given Location
- zachnorious
- · Replies 10 ·
Magnitude of Electric Field in Cell Membrane?
- rcmango
- · Replies 3 ·
Sound intensity at a microphone
- vertabatt
- · Replies 2 ·
Finding Equilibrium Position for Three Charged Particles
- jperk980
- · Replies 14 ·
Solve Angular Velocity: \theta=60deg, \alpha=-2w^2
- Bingo1915
- · Replies 5 ·
What is the spring constant of the circus cannon in this energy problem?
- rabar789
- · Replies 2 ·
What Voltage Is Needed to Charge a 7.0 µF Capacitor with 7.50 x 10^-5 C?
- rcmango
- · Replies 1 ·
What Terms Determine Kinetic Energy Change for Jupiter Orbit?
- alex9898
- · Replies 1 ·
What is the coefficient of static friction between the coin and the turntable?
- rabar789
- · Replies 6 ·
How Do You Solve Complex Double Integrals in Cylindrical Coordinates?
- rolylane
- · Replies 1 ·
Calculating Cable Angles for Suspended Beam
- 3wt Man
- · Replies 3 ·
How do you find the magnetic field?
- oxjenpenaxo
- · Replies 5 ·
What is the maximum acceleration a runner can achieve with 90% friction?
- Kaleb
- · Replies 2 ·
Coefficient of Friction Questions I cant do
- smally
- · Replies 10 ·
Finding FE, Tension & Acceleration in a 3-Block Frictionless Ramp Setup
- watever
- · Replies 1 ·
How Is the Force on a Mass Moving Along a Frictionless Half-Circle Calculated?
- spizma
- · Replies 6 ·
Motion in Two Dimensions of marble
- iwonde
- · Replies 6 ·
Solving Linear Motion: Bird Catching Fish
- Cantworkit
- · Replies 1 ·
What is the electric flux through the top surface of the cube?
- jincy34
- · Replies 1 ·
Calculate Max & Min Speed for Car Banking an Angle
- jgens
- · Replies 8 ·
Biomechanics problem w/ vectors
- in10sivkid
- · Replies 2 ·
Power of Gravity on a Moving Mass: Analyzing Mean and Instantaneous Values
- danilo_rj
- · Replies 5 ·
How do you graph the perfect parabola?
- Larrytsai
- · Replies 1 ·
Velocity Of The Ice As It Hits The Ground?
- luvzdaladeez
- · Replies 5 ·
Calculating Electric Field at Point D: Two Equal Charges
- Bob Loblaw
- · Replies 10 ·
Calculating Energy for Circular Orbit to Launching Satellites
- bray d
- · Replies 7 ·
Error Propagation: Calculating Uncertainty of a Ratio
- dionysian
- · Replies 2 ·