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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Projectile Motion Challenge Problem
- dvishnureddy
- · Replies 1 ·
Motion in a magnetic field and relativity
- Solibelus
- · Replies 21 ·
Weight of a person on two planets with different masses
- Medgirl314
- · Replies 8 ·
Electric field lines from very long cylinders and thin disks
- schrodingerscat11
- · Replies 11 ·
What is the Magnetic Flux Exiting a Cube?
- 4Phreal
- · Replies 7 ·
Is the Force Field \vec{F}=f(r)\vec{r} Conservative?
- AwesomeTrains
- · Replies 14 ·
Density of cylinder, error propagation
- STEMucator
- · Replies 8 ·
Multiple Choice Kinematics Problem
- Vibhor
- · Replies 4 ·
Help with translating a D-T graph into a V-T graph
- in31l
- · Replies 12 ·
Calculating Di and Hi for Lawn Sphere Mirror Problem
- Capri
- · Replies 1 ·
How much mass is needed to prevent an object from sliding down a ramp
- physicsgirl199
- · Replies 11 ·
Problem regarding concave mirror
- sankalpmittal
- · Replies 7 ·
What is the separation between the two surfaces
- zoomba91210
- · Replies 1 ·
Torque problem -- friction force on nail between 2 boards
- brake4country
- · Replies 10 ·
Meter stick and rock balancing ?
- syavian1019
- · Replies 2 ·
Can Adiabatic Processes Be Irreversible?
- le@rner
- · Replies 2 ·
Find Magnetic Field from Electric Field Using Maxwell's Equations
- ADCooper
- · Replies 2 ·
Statics question - change in loading
- JJBladester
- · Replies 3 ·
Electron revolving in a circular path
- utkarshakash
- · Replies 19 ·
Energy per second transferred by the resultant wave
- desmond iking
- · Replies 5 ·
Translational and Rotational Equilibrium
- mlb2358
- · Replies 5 ·
Hall-Petch Relation Calculation?
- Dave_
- · Replies 1 ·
Calculating Torque with Vectors at an Angle
- lukatwo
- · Replies 3 ·
Find the electrical energy supplied in kJ and kWhr
- udontai
- · Replies 3 ·
Continuous Charge Distributions
- WarpSpeedo
- · Replies 3 ·
Optics - Image formation (lenses)
- DataGG
- · Replies 14 ·
Force vectors acted on by two forces
- snapperhead
- · Replies 26 ·
Converting MPa·mm1/2 to MPa.m1/2: A Scientific Approach
- Dave_
- · Replies 6 ·
Finging the charge on each capacitor in series
- CogitoEAS
- · Replies 5 ·
Calculate Minimal Speed to Throw Stone from Moon to Earth
- Karol
- · Replies 4 ·
Troubleshooting Trigonometry: Finding Coefficient of Friction on a Slope
- Glype11
- · Replies 3 ·
Buoyancy force on object problem
- udontai
- · Replies 4 ·
Isolated Systems, with ##\Delta E_{th}##
- STEMucator
- · Replies 2 ·
How Can a Satellite Move to a Larger Orbit?
- Karol
- · Replies 9 ·
Equations for finding magnetic force between magnet and solenoid
- samman010
- · Replies 4 ·
How do electrons and positrons collide if both have undefined position
- Sam M
- · Replies 1 ·
Calculating the initial speed of an object that decelerates in a ramp.
- george ozua
- · Replies 3 ·
Why resistive force will vary with speed?
- sta6a2411
- · Replies 1 ·
Calculating Stress Values for Cylindrical Steel Sample
- Dave_
- · Replies 2 ·
Can you classify ordinary light as ionizing radiation?
- alingy1
- · Replies 6 ·
Find Elevation at Point A - Math Homework
- MrMechanic
- · Replies 12 ·
E field outside of two non conductive shells?
- jdub129
- · Replies 1 ·
Solving a Coconut's Fall: Speed, Work, & Air Resistance
- STEMucator
- · Replies 3 ·
Exploring the Virial Theorem: Understanding the Derivative of G Over a Period T
- Karol
- · Replies 3 ·
Circular Motion - Orbital Mechanics
- Jimmy87
- · Replies 12 ·
Find period of vibration of liquid
- utkarshakash
- · Replies 21 ·
Electric Field due to line charge
- utkarshakash
- · Replies 7 ·
Two body final velocities (check this please)
- dean barry
- · Replies 1 ·
Water Column Resonance Time Interval Calculation
- utkarshakash
- · Replies 4 ·
Carts gaining and losing mass: What happens to velocity?
- Jormungandr
- · Replies 2 ·
Acceleration - Displacement Graph
- PhysicsStudnt
- · Replies 1 ·
Acceleration/Tension between two masses
- kbru
- · Replies 1 ·
Speed to give box up incline to reach top (work-energy theorem)
- KurtWagner
- · Replies 6 ·
Optics - right handed circular polarization
- DataGG
- · Replies 4 ·
A clasic mechanics problom with a moving table
- anachin6000
- · Replies 3 ·
Question involving EMF and internal resistance
- Anveshan
- · Replies 1 ·
I need Help one my one piece of homework in Physics
- deveranicco
- · Replies 3 ·
Time taken for the big mass to achieve max amplitude
- desmond iking
- · Replies 9 ·
Net Torque of 2 Forces: Calculate for 59.9N, 28.3cm, 29.6°
- jayayo
- · Replies 10 ·
Time for falling down the incline (Rotating Solid Cylinder)
- andyrk
- · Replies 36 ·
Understanding Standing Wave Loops: Solving a 60 Hz Frequency Question
- yesgirl10
- · Replies 6 ·
How far beyond the fence does the ball strike the ground?
- adaxial
- · Replies 8 ·
Optics - Three polarizers with 1 moving
- DataGG
- · Replies 11 ·
What Are the Final Speeds of a Material Point and a Wedge Without Friction?
- Karozo
- · Replies 4 ·
Help finding the voltage in a uniform E-field
- elowe93
- · Replies 3 ·
A particle moving in parabola (Kinematics)
- Adjoint
- · Replies 4 ·
Help finding the electric feild strength in a uniform E-field
- elowe93
- · Replies 4 ·
Calculating Velocity for a Loop the Loop
- motti
- · Replies 3 ·
Refractive Index - Lens question
- jacksonwiley
- · Replies 4 ·
Help required to understand physics concept
- burgess
- · Replies 2 ·
Angular Momentum & Moment Of Inertia
- iloafer73
- · Replies 8 ·
Kinetic energy of a projectile (velocity and time are not given)
- user2
- · Replies 1 ·
How Do You Calculate the Young's Modulus of Spiderman's Webs from Spiderman 2?
- Connah
- · Replies 3 ·
How to find equation of motion for object leaving a curved ramp?
- cantleave
- · Replies 62 ·
Two moving cars (Kinematics problem)
- Adjoint
- · Replies 10 ·
Physics Fundamentals : CRO and Potential Divider
- learn2physics
- · Replies 5 ·
Relativistic speeds within a relativistic frame of reference
- xuran
- · Replies 3 ·
Newton's Laws applied at an incline including a spring and friction
- gidoru90
- · Replies 6 ·
Aircraft Performance Question -- Berguet
- LaReina
- · Replies 1 ·
Forces & Friction Homework: Calculate Accel, Find Equal Accel
- Draggu
- · Replies 12 ·
Why is the intensity of waves in destructive interference still 2(A^2)?
- desmond iking
- · Replies 16 ·
What Is Produced by the Mutual Induction of Electric and Magnetic Fields?
- burgess
- · Replies 1 ·
Three charged particles, finding the net force on each particle
- chococho
- · Replies 6 ·
Write F as a sum of an orthogonal and parallel vector
- jonroberts74
- · Replies 5 ·
Finding the initial acceleration rotating masses not about their C.o.M
- Dazed&Confused
- · Replies 5 ·
Solving Pulley on a Pulley Problem using Force Analysis
- pmr
- · Replies 9 ·
Resolving Forces on an Inclined Plane: Finding the Components of a Force
- jonroberts74
- · Replies 25 ·
Where Should a 150N Weight Be Placed on a Ladder to Achieve Equilibrium?
- learn2physics
- · Replies 3 ·
Physics Fundamentals : Free Body Diagram
- learn2physics
- · Replies 9 ·
The Force of Gravity Depends on Two Masses
- lorofthebay
- · Replies 2 ·
What is the Force Exerted by the Ground on Object 1 in an Atwood Machine?
- antonisz
- · Replies 6 ·
Phase difference of two moving particle
- desmond iking
- · Replies 5 ·
Physics Fundamentals: Work Done
- learn2physics
- · Replies 1 ·
Hi all. Need guidance for some fundamentals physics
- learn2physics
- · Replies 2 ·
Finding the time when the car starts to skid (Kleppner 2.29)
- Dazed&Confused
- · Replies 8 ·
Need help to understand physics concept
- burgess
- · Replies 1 ·
What Is the Acceleration at Point A Above a Planet?
- Karol
- · Replies 6 ·
Mechanical Principles - Rotating Systems
- louise
- · Replies 6 ·
Electrostatics Problem -Two moving charged particles
- Tanya Sharma
- · Replies 27 ·
Combined Translational & Rotational System Transfer Function
- GreenPrint
- · Replies 4 ·