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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2D elastic collision between 0.2 kg and 0.25 kg pucks at 35° angle
- Jazz
- · Replies 6 ·
Stokes law terminal velocity graph: plotting r² against v
- astro111
- · Replies 3 ·
Impossible refrigerator (thermodynamics and PV diagrams)
- Avatrin
- · Replies 36 ·
How Do Velocities Transform Under Lorentz Transformations?
- SilasG
- · Replies 1 ·
Physics 10: Calculating Velocity of a Ball Launched from a Slingshot
- reesie
- · Replies 1 ·
Why Do Spherical Balls of Different Sizes Roll at the Same Speed Downhill?
- dhphysics
- · Replies 1 ·
Determine the magnitude of its radial acceleration for ball
- sugz
- · Replies 7 ·
Ring and Sphere Linear Expansion
- Haptic9504
- · Replies 4 ·
Why (treating the two objects as a system) does not work here?
- Peter J
- · Replies 17 ·
Why do you integrate expressions for work + (hw problems)?
- Struggle Help
- · Replies 2 ·
Why is my Hooke's law graph quadratic instead of linear?
- garr6120
- · Replies 6 ·
[ Frames ] Determining the resultant forces at pins B and C
- student314
- · Replies 2 ·
Reflection maximum for coating on glass at 400 and 600 nm
- salmayoussef
- · Replies 1 ·
How Is Frequency Calculated in Wave Motion Problems?
- ShadowOfNexxus
- · Replies 1 ·
Moment in different dimensions in 2 D
- abdo799
- · Replies 4 ·
Finding the delta x of a bow and arrow pullback
- Malcohmh
- · Replies 8 ·
Finding the Specific Heat Capacity of a Potato
- Kendra
- · Replies 4 ·
Torque problem -- Squirrel standing on the end of a branch
- Merrick
- · Replies 8 ·
Finding Velocity of Cart 1 in Elastic Collision on Inclined Plane
- ngu9997
- · Replies 6 ·
What are the 11 possible outcomes of a collision between two objects?
- ngu9997
- · Replies 3 ·
Object sliding down an inclined plane
- Antrox
- · Replies 24 ·
Max Speed of Waves in Cowboy's Milk Glass: Solving a Physics Problem
- Elliot
- · Replies 1 ·
Tension in vertical circle swing at 1.5 m height
- minimario
- · Replies 11 ·
Finding Rotational Speed once the Moment of Inertia Increase
- ericoromero
- · Replies 4 ·
Simple Harmonic Motion of bobble toy
- Jennisa
- · Replies 1 ·
Maximum torque for current loop
- Differentiate1
- · Replies 3 ·
Impulse and momentum change for a ball striking a pin
- Quantum Fizzics
- · Replies 1 ·
Simple Harmonic Motion and speed of mass
- e^(i Pi)+1=0
- · Replies 1 ·
Calculating Current in a Series-Parallel Circuit with Resistors
- PBryan833
- · Replies 6 ·
Latent Heat Problem? Not sure how to solve
- PBryan833
- · Replies 3 ·
Carrying Groceries: Calculate the Work Done
- Timmy1221
- · Replies 2 ·
Calculating Acceleration in an Inclined Force Problem with Pulley Setup
- jinjin11
- · Replies 1 ·
Calculate the force on the other support
- H_Ab
- · Replies 3 ·
Calculate elasticity of collision from kinetic energy loss?
- Sewager
- · Replies 5 ·
SOLVED: Elastic Collision, Same Direction
- PEToronto
- · Replies 3 ·
Finding Young's Modulus for Steel from two graphs
- Kieran12
- · Replies 1 ·
Solving Wave Speed of a Violin String
- HHH
- · Replies 6 ·
Centripetal Force Lab Question
- SigmaForce
- · Replies 24 ·
Why don't the upward forces equal each other in a simple pulley?
- AlbertE97
- · Replies 2 ·
Can Ideal Gas Thermodynamics Explain This Circle Process?
- Amina
- · Replies 1 ·
Calculating Q-Value for given Beta- decay
- hasankamal007
- · Replies 8 ·
At what height will the flow stop?
- lep11
- · Replies 14 ·
Maxwell relations Thermodynamics
- thonwer
- · Replies 13 ·
Conservation of Momentum of a ball
- ximsooriginalx
- · Replies 21 ·
Showing plane wave interference produces a spherical wave using residues
- AwesomeTrains
- · Replies 1 ·
A worker lifts a 20.0-kg bucket of concrete from the ground
- Timmy1221
- · Replies 13 ·
What is the Width of the Car Based on Diffraction Limit Problem?
- grantaere
- · Replies 6 ·
Metallic coin over wooden block in glass of water - buoyancy
- CaptCoonoor
- · Replies 7 ·
Archived Problem 6 Vrms Formula: Mass in kg?
- microsd
- · Replies 2 ·
Lagrangian - rigid body problem
- Glomerular
- · Replies 7 ·
Net Electron Acceleration and Potential Energy
- Prof. 27
- · Replies 9 ·
Writing magnetic monopole analogs for electrical circuits
- QuantumCurt
- · Replies 1 ·
Understanding entropy calculations
- fayled
- · Replies 10 ·
Block Around a Track: Find Force & Coeff of Friction
- minimario
- · Replies 1 ·
What is the velocity just before the body touches the ground
- ubergewehr273
- · Replies 9 ·
Fluid Statics - net upward force
- Roodles01
- · Replies 2 ·
Linear density and tension problem
- HHH
- · Replies 4 ·
Is a resonant frequency any of the harmonics?
- AAAA
- · Replies 2 ·
Shm question -- a mass hanging on a spring vertically set into motion
- jiboom
- · Replies 3 ·
How to find f0 when given highest and lowest frequency
- HHH
- · Replies 42 ·
Carnot cycle heat engine max work done
- toothpaste666
- · Replies 11 ·
Two electrons repel each other and gain velocity
- Karol
- · Replies 10 ·
What is the Magnetic Force on an Electron Moving Near a Current-Carrying Wire?
- cseil
- · Replies 4 ·
Describing the motion of a particle using polar coordinates
- NATURE.M
- · Replies 10 ·
What is the equation for the velocity of a rocket as a function of time?
- Samuelriesterer
- · Replies 5 ·
Conservation of Energy of a System
- Clementine
- · Replies 1 ·
The kinetic energy formula for lagrange doesnt make sense
- grandpa2390
- · Replies 2 ·
Why is Fnet equal to ma instead of just F?
- BobTheScience
- · Replies 3 ·
Finding the minimum force F which must be exerted
- rando25
- · Replies 4 ·
What is the fastest way to transfer thermal energy?
- HHH
- · Replies 4 ·
Moment of Inertia about the CoM
- Redfire66
- · Replies 4 ·
Calculating G-Force on Gravitron Ride
- Sterling07
- · Replies 1 ·
Why does a cantilever beam deflect more with greater length?
- incalculable
- · Replies 3 ·
What is a closed pipe ( standing waves)
- rrosa522
- · Replies 6 ·
Different young modulus of rod - Need a proper explanation?
- PhysicStud01
- · Replies 2 ·
How Do You Calculate the Moment of Inertia for a Door?
- timnswede
- · Replies 2 ·
How Do You Calculate the Density of a Partially Submerged Sphere?
- throneoo
- · Replies 1 ·
Uniform circular motion for proton and 2 particles
- cseil
- · Replies 2 ·
How much Work is done on a rolling box with frictionless wheels?
- Abdulrehman
- · Replies 13 ·
Electron moving between 2 point charges
- Karol
- · Replies 8 ·
Does Normal Force change with new Force diagram?
- PacFan01
- · Replies 3 ·
Effect of bearing friction on flywheel moment of inertia
- bikertomm
- · Replies 2 ·
Ray Tracing for Convex Lens: How to Determine Image Distance and Realness
- toothpaste666
- · Replies 4 ·
What is the image distance for a concave mirror using the mirror equation?
- toothpaste666
- · Replies 3 ·
How much work is done on a crate pushed along an incline with constant velocity?
- thephysicslife
- · Replies 1 ·
Echo Time Calculation in Underwater Environments
- rrosa522
- · Replies 1 ·
Gravitational potential energy of a retaining wall
- Nithya115
- · Replies 6 ·
How long will it take for the echo to return
- rrosa522
- · Replies 2 ·
What is the difference between heat and internal energy?
- Alettix
- · Replies 13 ·
Find the force acting to the right
- Woolyabyss
- · Replies 3 ·
Derivation Problem (Magnetic Field)
- Solisiel
- · Replies 1 ·
Spring Pulley System: Find Max Velocity of Block
- Chem Austronaut
- · Replies 4 ·
Redistribution of charges in capacitor
- AdityaDev
- · Replies 3 ·
Electric charges at the corners of a square
- Karol
- · Replies 2 ·
Conservation of momentum and mass of a ball
- Quantum Fizzics
- · Replies 3 ·
High school circular motion problem
- Kailford
- · Replies 11 ·
Mechanics and a bit of fluids (mech).
- psyclone
- · Replies 7 ·
Snapshot of a travelling harmonic wave
- PhysicsMan999
- · Replies 4 ·
Why is this FBD statically indeterminate at point A?
- MrJoseBravo
- · Replies 2 ·
Conservation of Momentum law problem
- Quantum Fizzics
- · Replies 11 ·