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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Isentropic Expansion Within a Steam Turbine System
- Matthew Hunter
- · Replies 1 ·
Increase in kinetic energy in current carrying conductor
- carlyn medona
- · Replies 2 ·
Power of a Force: Find Power from Fv in 3s
- hendrix7
- · Replies 4 ·
Total energy of charge in parallel plate capacitor
- Inquisitive Student
- · Replies 5 ·
Change in Temperature for Stretched Surface
- GL_Black_Hole
- · Replies 1 ·
How to calculate force given Newtons, degrees, and friction
- Josef
- · Replies 3 ·
Vectors A and B are in the xy plane
- DoctorMathU
- · Replies 6 ·
Charge Distribution in a Parallel Plate Capacitor with Connected Plates
- carlyn medona
- · Replies 16 ·
Run Fastest to Weigh Most at Equator!
- Johny158
- · Replies 2 ·
What is the Elastic Potential Energy of a Toy Car's Spring?
- Leah12
- · Replies 2 ·
Potential Energy Problem -- GPE of a person at 5334m above sea level
- Leah12
- · Replies 6 ·
Integration of an equation relating to electrostatics
- Lazy Rat
- · Replies 26 ·
Rod Hanging in Water: Find Line of Buoyancy Force
- Horvath Bela
- · Replies 5 ·
Finding Potential Difference Across AB in a Multi-Cell Circuit
- carlyn medona
- · Replies 7 ·
Force between two charged particle beams -- proton and electron beams
- carlyn medona
- · Replies 3 ·
What Is the Coefficient of Kinetic Friction for a Block on an Inclined Plane?
- EchoTheCat
- · Replies 18 ·
Imaginary value for magnetic field?
- Hawksteinman
- · Replies 27 ·
How Do You Calculate the Moment of Inertia for a Disk with a Central Hole?
- Jefffff
- · Replies 2 ·
Centripetal force throughout a vertical circle
- Matthew_B
- · Replies 9 ·
Calculate minimum work input of refrigeration cycle
- tezktenr
- · Replies 6 ·
Calculating the Distance a Rock Travels Up a Sloped Hill
- eglaud
- · Replies 7 ·
Calculating Launch Speed for a Catapult with Drag Force
- juju1
- · Replies 5 ·
Integration of an interaction force to find potential energy
- miyayeah
- · Replies 1 ·
##\alpha_P =\frac{V-b}{TV}## Find equation of State
- GL_Black_Hole
- · Replies 1 ·
Building a Self-Contained Egg Tower Device: Grade 12 Physics ISU Project
- Sandro Romualdez
- · Replies 12 ·
Calculating Tension Using Work Energy Theorem
- JHLee
- · Replies 1 ·
Speed after gliding with friction force present using work/E
- miyayeah
- · Replies 3 ·
Conducting sphere with chrage in centre
- Taylor_1989
- · Replies 1 ·
Spinning disk, friction and pure roll
- CrunchBerries
- · Replies 2 ·
Rotational Dynamics of a Grindstone
- aw2693
- · Replies 6 ·
Final velocity parallel to the track when the ski jumper lands
- KeevKK
- · Replies 16 ·
Deriving the formula for tidal generating force TGF
- HenryM
- · Replies 4 ·
Tennis ball bouncing off wall with units in force calculation
- eglaud
- · Replies 9 ·
Two capacitors with opposite terminals connected together
- carlyn medona
- · Replies 12 ·
Resultant force-couple system where resultant couple is 0
- Francis Hannah
- · Replies 4 ·
Resolving reactant forces on supported beams.
- Adrian Haddock
- · Replies 4 ·
Capacitor with two dielectrics inserted diagonally
- carlyn medona
- · Replies 8 ·
Work, energy, power tennis ball problem
- ferrariistheking
- · Replies 2 ·
Electric Fields - Electron Passing through deflecting Plates
- aatari
- · Replies 1 ·
Potential Energy and Distance Graph
- Exuro89
- · Replies 1 ·
The mass of an object with pulleys
- Francis Hannah
- · Replies 7 ·
Find the time when the spring force reaches max magnitude
- SirChris93
- · Replies 3 ·
External Forces and Potential Difference
- Abu
- · Replies 8 ·
Determine the elevator's acceleration
- y90x
- · Replies 33 ·
Electric field of a current carrying conductor along its sur
- fab123
- · Replies 2 ·
Algorithm to matrix product MSR format
- drudox
- · Replies 3 ·
Variables in a lab (controlled, independant and dependant)
- Simon George
- · Replies 3 ·
Accelerated Electron and its Potential Energy
- Abu
- · Replies 5 ·
Position Functions for Two Cars Colliding on a Straight Road
- Jesper K
- · Replies 1 ·
How to find the work on an object on an inclined plane pulled with a rope
- Kelvin Andersen
- · Replies 4 ·
Find Viscosity of Fluid on an Inclined Plane
- Perodamh
- · Replies 2 ·
Force acting on a dielectric placed between parallel plates
- carlyn medona
- · Replies 5 ·
Potential difference in multi cell circuit
- carlyn medona
- · Replies 10 ·
How far to the right can a person walk before the plank will
- QaH
- · Replies 3 ·
Roller coaster problem involving velocity
- y90x
- · Replies 2 ·
What is the Speed of a Falling Object Attached to a Rotating Spherical Shell?
- CoreanJesus
- · Replies 18 ·
Calculating Final Velocities in 2D Inelastic Collisions
- fatcats
- · Replies 14 ·
What is the Period of a Physical Pendulum with a Horizontal Knife-Edge Pivot?
- Joshua A
- · Replies 2 ·
Find the force to push a book sideways on a table
- y90x
- · Replies 2 ·
Centre of mass of non-uniform rod
- carlyn medona
- · Replies 8 ·
A long rod being pushed in zero g vacuum
- Horvath Bela
- · Replies 17 ·
Force on the bottom of the vessel containing a submerged cube
- manasi bandhaokar
- · Replies 30 ·
Multiplicity/Probability: Einstein model of Solids
- WWCY
- · Replies 8 ·
Error propagation, is this correct?
- EastWindBreaks
- · Replies 3 ·
What Is the Minimum Stopping Distance to Prevent Crate Sliding?
- y90x
- · Replies 3 ·
Solve for the tension in a rope pulling a box
- y90x
- · Replies 3 ·
Calculating Mass of a Vibrating String Using Known Quantities
- zengodspeed
- · Replies 10 ·
Internal energy during the expansion of a gas?
- Pericles98
- · Replies 3 ·
How Long Does It Take for a Handle to Become Unbearably Hot?
- WWCY
- · Replies 3 ·
Writing Hamiltonian: Classical Mechanics
- WWCY
- · Replies 8 ·
Why am I not getting the correct natural frequency?
- EastWindBreaks
- · Replies 8 ·
Determining Magnetic Field Direction
- Spackle
- · Replies 3 ·
Force Questions -- Snooker ball collision and a rock through a window
- Gulfstream757
- · Replies 13 ·
Calculation of Speed for Message Packet on Small Planet
- dantechiesa
- · Replies 4 ·
Elastic Collision between a Ball and a Stick
- VSayantan
- · Replies 7 ·
How do I draw all forces on a stone sinking in water?
- Karagoz
- · Replies 11 ·
Angular acceleration, velocity, momentum of a door?
- Haveagoodday
- · Replies 88 ·
Please help me with this mechanics problem -- pulling one end of a spring
- vijayramakrishnan
- · Replies 22 ·
Work done in expansion of a bubble
- Vriska
- · Replies 10 ·
Force problem with three masses and two pulleys
- Dayanara Avilez
- · Replies 4 ·
Simple Kinematics Problem, unsure of my error
- N8G
- · Replies 5 ·
Transformations of Energy in Wind Power
- fatcats
- · Replies 3 ·
Induced current in a loop of wire when straight wire is cut
- astrocytosis
- · Replies 3 ·
Convergent lenses and calculating image position
- mortymoose
- · Replies 2 ·
Moving along a horizontal surface (no friction)
- inv4lid
- · Replies 8 ·
Function with 3 variables (I know how two are related )
- pangolo
- · Replies 2 ·
Solving Total Work Problem on Rotating Object
- Pinon1977
- · Replies 26 ·
Center of mass system of two interacting identical Fermions
- Dustgil
- · Replies 5 ·
Lagrangian: Pendulum down a slope
- WWCY
- · Replies 13 ·
Current at Resistor 2: How to Calculate using Capacitor Voltage and Ohm's Law
- Tiago3434
- · Replies 9 ·
Comparing Generalised Momentum Calculations for Central Force Problems
- WWCY
- · Replies 7 ·
Sheer and bending moment diagrams
- fayan77
- · Replies 1 ·
How far a a fastball travels (projectile question)
- Hadeel1
- · Replies 1 ·
Rotating spool on table with friction
- erfz
- · Replies 12 ·
Find the mass in static equilibrium problem involving a spring
- sleepymia
- · Replies 9 ·
Geometric optics (near point problem)
- Augustine Duran
- · Replies 1 ·
How can light be partially polarized?
- orangeblue
- · Replies 6 ·
Show ##(\frac{\partial S}{\partial G})_Y = -\frac{C_Y}{TS}##
- GL_Black_Hole
- · Replies 1 ·
Calculate the volume of 1.00 mol of liquid water
- Leo_lee
- · Replies 11 ·