Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Calculating the volume that a compressed mass of air will occupy.
- SherlockOhms
- · Replies 11 ·
Vector problem (motion in a plane)
- Ash413
- · Replies 2 ·
Finding distance between two charges given their potential difference.
- rslewis96
- · Replies 1 ·
Moment of Inertia Using Parallel Axis Theorem
- woaini
- · Replies 1 ·
Centre of mass Momentum problem
- Tanya Sharma
- · Replies 14 ·
Tough physics problem. Conical pendulum.
- dlreynolds562
- · Replies 2 ·
Rutherford Scattering Derivation
- Dalkiel
- · Replies 1 ·
Vertical Projectile Motion, Calculate height
- TheRedDevil18
- · Replies 21 ·
Double check multi-choice questions on concepts
- AFSteph
- · Replies 3 ·
Net Torque: Determine Magnitude from Ladder Base
- nickb145
- · Replies 3 ·
A multistep/multiconceptual spring force challenge
- Rayquesto
- · Replies 1 ·
How to Calculate Final Temperature in a Water and Aluminum System?
- MAC5494
- · Replies 2 ·
Using Newtons law and mechanical energy?
- jimmyboykun
- · Replies 5 ·
Calculate the force required to pull the truck
- oMovements
- · Replies 1 ·
Free body diagrams with distributed loads and supports
- princejan7
- · Replies 1 ·
Help with physics lab report
- physicsuser1
- · Replies 1 ·
What is the average force on a baseball after being hit by a bat?
- javacola
- · Replies 9 ·
Damped oscillator given odd initial conditions
- oddjobmj
- · Replies 2 ·
Length on vibrating section of violin
- chicagobears34
- · Replies 4 ·
What is the safe speed limit for a car on a curved highway?
- jimmyboykun
- · Replies 4 ·
Momentum Question: Calculating X & Y Component After Collision
- riley_5000
- · Replies 5 ·
Conducting shell and proton with KE
- origamipro
- · Replies 8 ·
School Projectile Motion Problem
- jaysinghrath
- · Replies 2 ·
Bead sliding on a rotating rod with exponential motion
- Saitama
- · Replies 16 ·
How to Derive the Magnetic Moment for a Rotating Charged Sphere?
- sankalpmittal
- · Replies 11 ·
Conservation of linear momentum with two objects
- coldblood
- · Replies 7 ·
Why Do Significant Digits Include Uncertain Numbers?
- Gauss M.D.
- · Replies 1 ·
Does Zero Work Imply Unchanged Speed and Velocity?
- jimmyboykun
- · Replies 5 ·
Calculating Static Spring Deflection in Basic Harmonic Motion
- Leiws25
- · Replies 1 ·
Finding the force during impact
- koii123
- · Replies 7 ·
No worries, let's just focus on finding the correct answers for the questions!
- BMcC
- · Replies 26 ·
Calculating Work: Pressure and Volume Relationship for a Blown-Up Balloon
- Bahamas
- · Replies 1 ·
Understanding Relativistic Mass Increase at the LHC
- bobie
- · Replies 26 ·
Finding Net Force [w/ Vector Addition]
- harujina
- · Replies 5 ·
Magnitude of friction force between two boxes
- Physycs
- · Replies 13 ·
Problem with Bernoulli's equation
- Loopas
- · Replies 5 ·
Simple Harmonic Motion (Pendulum)
- KMcFadden
- · Replies 5 ·
Two questions that I don't really don't understand
- hey123a
- · Replies 2 ·
PV power plant efficiency math problem?
- courtneywetts
- · Replies 23 ·
Rocket explosion into two fragments momentum problem
- cmmcnamara
- · Replies 2 ·
One Dimensional Collisions: Analyzing Impulse and Average Forces
- Cwhitlatch32
- · Replies 2 ·
Finding p and c from a log-log graph of wavelength vs tension
- CharlieChurch
- · Replies 2 ·
Circular Motion of an amusement park ride
- frownifdown
- · Replies 1 ·
Heat transferred in a cyclic process
- CAF123
- · Replies 18 ·
Gravity problem with non constant acceleration
- inferno298
- · Replies 3 ·
Determining stable and unstable equilibrium points
- chipotleaway
- · Replies 11 ·
Force from a Kinetic Energy Function
- Dustinc
- · Replies 8 ·
What Is the Coefficient of Static Friction on a 17 Degree Incline?
- Eruditisunium
- · Replies 1 ·
Finding Max Range With 2 Angles
- Grunstadt
- · Replies 1 ·
Why do some resistors have a value of zero in a circuit with a short circuit?
- gprd3
- · Replies 5 ·
Force of attraction between mars and its moon
- Irishtank
- · Replies 6 ·
Explanation of an angular momentum term
- Levi Tate
- · Replies 4 ·
Quality factor and battery runtime for cuckoo clock pendulum
- oddjobmj
- · Replies 3 ·
Finding the initial force from mass, distance, and friction coefficient
- gcharles_42
- · Replies 2 ·
Calculating Weight in an Elevator
- rysezhae
- · Replies 1 ·
Projectile motion of a cannonball
- Coco12
- · Replies 7 ·
How Does a Force Impact Final Velocity in One-Dimensional Collisions?
- Cwhitlatch32
- · Replies 2 ·
What is the flux through each face of the pyramid?
- origamipro
- · Replies 2 ·
Ferris Wheel Weight of the Rider
- woaini
- · Replies 5 ·
How Do You Calculate Projectile Motion and Vertical Displacement?
- Coco12
- · Replies 3 ·
Which object emits the most intense infrared radiation?
- akela
- · Replies 1 ·
Elementary spring and mass question
- chipotleaway
- · Replies 8 ·
Calculating Buoyant Force for a Suspended Cylinder in an Unknown Fluid
- astru025
- · Replies 5 ·
How Fast Does the Center of Mass of a Falling Stick Move?
- Tanya Sharma
- · Replies 34 ·
Accelerometer - device on a parabolic track
- Shinaolord
- · Replies 22 ·
Derive EM Field in a 1D PC Hill Equation from Maxwell's Eq's.
- zhillyz
- · Replies 1 ·
Finding Vx, Is, and Power in a Dependent Source
- sevag00
- · Replies 14 ·
Can a Sphere Roll Without Slipping on a Frictionless Surface?
- Saitama
- · Replies 3 ·
Electric Field of a hollow conducting spherical shell
- swervin09
- · Replies 7 ·
Reciprocating Compressor Experiment.
- SherlockOhms
- · Replies 6 ·
How does the efficiency of a reactor affect the amount of power it produces?
- stalebrownies
- · Replies 1 ·
Final Velocity in parallel plate capicator?
- outxbreak
- · Replies 13 ·
Understanding Friction and Kinetic Energy: Solving a Skier's Velocity Problem
- tibug
- · Replies 4 ·
Rotational motion of rear wheels
- TeeNaa
- · Replies 3 ·
How Is Elastic Potential Energy Calculated in a Compressed Diving Board?
- dancerina
- · Replies 3 ·
Uniform Circular Motion: Solving for String Tension
- QCHabsQC
- · Replies 3 ·
Finding the Position Vector for Opposite and Half Torque on the Y Axis
- bzhagar
- · Replies 1 ·
Kinetic Friction Problem [FORCES]
- harujina
- · Replies 2 ·
Free body diagram with 1.9kg object and two forces
- frownifdown
- · Replies 3 ·
Calculating Tension in Cables: 1000N Beam with 2000N Filing Cabinet
- astru025
- · Replies 4 ·
Calculate the change in length of year due to change in Sun's mass
- NewSoul
- · Replies 2 ·
Finding the Hypotenuse with the Given Vector
- frownifdown
- · Replies 7 ·
Linear speed and magnitude of linear acceleration
- Hambone12
- · Replies 1 ·
Final temperature - Thermodynamics problem
- Doyouevenlift
- · Replies 1 ·
Forces in a homogeneous electric field
- tomkoolen
- · Replies 2 ·
What Forces Act on a Ladder Against a Wall?
- B4ssHunter
- · Replies 8 ·
What is the Polytropic Exponent, n Value for a Singular Repeating Compressor?
- SherlockOhms
- · Replies 2 ·
Projectiles - person kicks a soccer ball at an angle
- Coco12
- · Replies 15 ·
Initial velocity given distance, height, theta. Projectile motion
- hey123a
- · Replies 8 ·
How to find forces acting on object on a slope?
- urbano
- · Replies 7 ·
Induced EMF in loop near wire with time-varying current
- fredrogers3
- · Replies 1 ·
Amount of Revolutions Based on Multiple Radii
- woaini
- · Replies 12 ·
Solving for Muon Speed & Neutrino Energy
- stefan10
- · Replies 1 ·
Puppy displacement and average velocity with vector addition
- Confetti
- · Replies 2 ·
Center of mass with 2 people, a medicine ball, and a beam
- nathancurtis11
- · Replies 1 ·
Calculating Electric Field at the Center of a Hemispherical Shell of Charge
- swervin09
- · Replies 5 ·
2 pulley system with three masses. Find the two outside masses.
- manderzz
- · Replies 2 ·
Centripetal acceleration of a hammer whirled at 1.76 rev/s
- TwoTeez
- · Replies 6 ·
How long must a ramp be for a unicyclist to climb 1 meter with 50N force?
- woaini
- · Replies 8 ·
RC circuit question(Charging A Capacitor)
- lionely
- · Replies 13 ·