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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Why does torsion distribute differently at shaft ends?
- yecko
- · Replies 2 ·
Maximum Acceleration of sliding crates
- Darkapostle8
- · Replies 6 ·
Determining the coefficient of viscosity of water (Graph Problem)
- WhiteWolf98
- · Replies 16 ·
Intermediate-Calculate a weight using conservation of energy
- Aleoa
- · Replies 9 ·
Wheatstone Bridge at Null position
- issacnewton
- · Replies 30 ·
Stress in tapered rod under axial load
- yecko
- · Replies 14 ·
Why does tension change direction between mass and pulley diagrams?
- Elmer Correa
- · Replies 3 ·
Calculating Rank Pulley Forces with Newton's Equations
- isukatphysics69
- · Replies 38 ·
Single slit diffraction minima for 40 kHz ultrasound
- CalinDeZwart
- · Replies 3 ·
Inteference Fringes of Double Slit Experiment in Water
- mitchy16
- · Replies 3 ·
Finding Tension force in a SHM Pendulum
- JessicaHelena
- · Replies 4 ·
Moments - Support forces acting on a rod
- AntSC
- · Replies 11 ·
Find the electric field of a point P at a distance r
- Fatima Hasan
- · Replies 13 ·
Interferometer- 2 spectral lines
- Physgeek64
- · Replies 4 ·
Amplitude of waves at a further distance
- JessicaHelena
- · Replies 1 ·
Rutherford model of atom and Bohr model
- Taylor_1989
- · Replies 1 ·
What is the Angular Velocity Acquired by a Disk on a Rotating Platform?
- Brilli
- · Replies 28 ·
The value of potential difference between two points
- Fatima Hasan
- · Replies 13 ·
How Is Torque Calculated in This Physics Problem?
- Pinon1977
- · Replies 1 ·
Propagation of transverse pulse on a string
- Terry Bing
- · Replies 6 ·
Damped harmonic oscillator for a mass hanging from a spring
- Phantoful
- · Replies 3 ·
Angular momentum changing as mass moves to center
- jybe
- · Replies 2 ·
The directions of normal and shear stress
- yecko
- · Replies 5 ·
Work/energy to find horizontal displacement
- jybe
- · Replies 16 ·
Given speed/mass find R (centripetal)
- jybe
- · Replies 1 ·
Measurement of Lx: Result of Measurement?
- Physgeek64
- · Replies 3 ·
The work done by the electric field between two plates
- Fatima Hasan
- · Replies 3 ·
Block moves down incline, hits spring, find spring constant
- jybe
- · Replies 3 ·
Determine energy levels of a electron in a hydrogen atom
- Jonas Persson
- · Replies 8 ·
Derivation from the 0th Law of Thermodynamics
- PhiJ
- · Replies 4 ·
Yacht going around a track - circular motion
- Senim Silla
- · Replies 6 ·
Distance to reflection point from wave travel times
- CalinDeZwart
- · Replies 5 ·
Difference between radial and centripetal acceleration?
- AMan24
- · Replies 9 ·
Submarine Buoyancy Differential Equation
- BJL13
- · Replies 3 ·
Change in the Kinetic Energy of a System
- drewcila
- · Replies 2 ·
Understanding Electric Potential and Field in a Ring of Charge
- WWCY
- · Replies 2 ·
The trajectory of an electron and a proton between two charged sheets
- Fatima Hasan
- · Replies 7 ·
Calculating Heat Transfer in a Water Bath with a Changing Volume and Temperature
- Physgeek64
- · Replies 6 ·
Electric field from charged cylinder at radial distance
- Fatima Hasan
- · Replies 2 ·
The electrostatic potential energy of two spheres
- Fatima Hasan
- · Replies 5 ·
What is the difference between diffraction and scattering?
- chef99
- · Replies 6 ·
Calculate the friction between sticks and the ceiling/floor
- Jorgen1224
- · Replies 10 ·
Minimum ramp height for a ball to complete a loop with radius 0.3 m
- mailmas
- · Replies 5 ·
Ranking friction forces between two boxes accelerating upward together
- isukatphysics69
- · Replies 9 ·
Expectation Value and Probabilities of Spin Operator Sy
- says
- · Replies 15 ·
Temperature multiplied by Power?
- YoshiMoshi
- · Replies 6 ·
What is the ranking of forces in a problem on ranking forces?
- isukatphysics69
- · Replies 8 ·
Finding Tension Force in a Metal Stick Connected to the Ceiling
- Jorgen1224
- · Replies 2 ·
Calculating the magnitude of the total electric field at P
- ddobre
- · Replies 3 ·
Torsional Pendulumn- Inertia and Period
- lc99
- · Replies 5 ·
Total energy of a body in a circular orbit
- Jahnavi
- · Replies 3 ·
Find the electric potential energy
- Fatima Hasan
- · Replies 1 ·
Simple Harmonic Motion/Fundamental Frequency
- Iman06
- · Replies 5 ·
Is 30° the true dip or apparent dip in this problem?
- Jahnavi
- · Replies 6 ·
Double Slit Wave Interference - what is m?
- snowcrystal42
- · Replies 1 ·
Normalised eigenspinors and eigenvalues of the spin operator
- says
- · Replies 2 ·
Coefficient of kinetic friction lab
- FS98
- · Replies 3 ·
Average power dissipation for induced current
- auctor
- · Replies 2 ·
Generalized coordinates- scalar product
- JimKC
- · Replies 1 ·
Charge distributions of two infinite parallel plates
- MaximumTurtles
- · Replies 4 ·
Potentiometer circuit for comparison of two resistances
- Prashasti
- · Replies 14 ·
Particle moving inside a rotating hollow tube
- zeralda21
- · Replies 10 ·
Determine max force and acceleration to safely make a turn
- bornofflame
- · Replies 6 ·
Finding Spring Constant Without Distance
- mailmas
- · Replies 9 ·
When to use quadratic equations?
- struggtofunc
- · Replies 11 ·
Shear Force in an I-beam question
- ridiculoid
- · Replies 2 ·
How Do I Determine Force of Static Friction on a Rolling Car
- Liam C
- · Replies 15 ·
Which harmonics would be observed on an electric guitar?
- thomas19981
- · Replies 3 ·
Why does P1 = P2 give h = 0.1 m for this pressure problem?
- lc99
- · Replies 10 ·
Can you see a pattern in the range and time of flight of mortar shells?
- Lukeblackhill
- · Replies 2 ·
Mohr's circle with weld across element
- ridiculoid
- · Replies 1 ·
Work done by heating gas in a spring-loaded piston
- Hydrous Caperilla
- · Replies 3 ·
How does water affect resonance in organ pipes?
- palkia
- · Replies 10 ·
Electric field vector due to very long thread
- Aleksandre
- · Replies 8 ·
Mohr's circle rotation direction and I beam shear force
- ridiculoid
- · Replies 1 ·
Electric field and force from a polarized atom near a point charge
- Blue Kangaroo
- · Replies 18 ·
Lagrangian of two equal masses attached by a spring
- DanielA
- · Replies 7 ·
Why do coffee filters show -bv drag instead of -cv²?
- isukatphysics69
- · Replies 14 ·
Finding speed of a 20 N object with kinetic energy 500 J
- talknerdy2me
- · Replies 3 ·
How charge density of plate is changed by permittivity
- Aleksandre
- · Replies 3 ·
How close will body approach fixed point charge?
- Aleksandre
- · Replies 1 ·
Why torque balance uses center of mass, not the board's end
- Cornbreadddd
- · Replies 3 ·
Ground Speed of Plane in Windy Conditions
- NeedHelpBro
- · Replies 3 ·
Conservation of Energy with changing masses on ice
- Nojins
- · Replies 2 ·
Can You Solve the Problem of Projectiles with These Equations?
- AIshikrakshit
- · Replies 1 ·
What Visible Wavelengths Cause Maximum Constructive Interference in a Thin Film?
- AlexKappa
- · Replies 1 ·
Find the potential difference between A and B
- Fatima Hasan
- · Replies 1 ·
Find the charge of the oil drop
- Fatima Hasan
- · Replies 2 ·
Find acceleration between two blocks (bottom block)
- isukatphysics69
- · Replies 11 ·
Finding the separation of two slits
- asilvester635
- · Replies 2 ·
Angular momentum direction for a spinning top
- jl12
- · Replies 10 ·
Hollow cylinder magnet making contact with the circuit
- TwoEG
- · Replies 2 ·
Proportionality of gravitational fields
- Nikola
- · Replies 3 ·
Measurement Errors in Kirchhoff's Voltage Law
- Elliott Pryor
- · Replies 2 ·
Particle Motion; Graphical Method
- Alexanddros81
- · Replies 9 ·
What Determines the Magnitude of Induced EMF?
- Mariah
- · Replies 1 ·
Tension in the wire connecting two blocks
- harambe
- · Replies 5 ·
Maximum torque on a rotating cylinder kept on a moving plank
- Vinita
- · Replies 22 ·
Maximum Bright Fringes for Double Slit Experiment
- Starrrrr
- · Replies 7 ·
When and where do two transverse waves on strings overtake each other?
- palkia
- · Replies 8 ·