Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Can someone me? I have a pretty simple physics problem.
- myelevatorbeat
- · Replies 3 ·
Is There a Missing Number in This Sequence?
- rootX
- · Replies 3 ·
Find Speed of Particles in B-Field
- Bert
- · Replies 4 ·
Basic QM - Trying to catch up in a class
- FrogPad
- · Replies 1 ·
Radial and Tangential Acceleration.
- niyati
- · Replies 7 ·
How Do You Calculate Phase Shift in a Wave Equation?
- PFStudent
- · Replies 9 ·
Average speed for round trip with different speeds
- megaforcetkd
- · Replies 15 ·
Find work on raising a bucket on a rope
- Edwardo_Elric
- · Replies 3 ·
Where is the Electric Field Equal to Zero?
- mrlucky0
- · Replies 40 ·
Solving a Simple Physics Question: Intersecting Balls in Motion
- phyaction
- · Replies 3 ·
Bullet striking block, maximum height obtained?
- JFonseka
- · Replies 9 ·
How to Evaluate the Z Component of a Vector
- PFStudent
- · Replies 9 ·
Harmonic Oscillator wave function
- diegoarmando
- · Replies 12 ·
Intensity, Radius (Calculations)
- Gunman
- · Replies 1 ·
Area and uncertainty of a circle with radius 3.9×10⁴ cm
- sadeysnow
- · Replies 6 ·
How Do You Calculate the Fourth Displacement in Vector Addition?
- Fireworkslvr
- · Replies 3 ·
Solve for angle A using the law of sines
- bengaltiger14
- · Replies 17 ·
De Broglie Wavelenght of a 5.5Mev
- diegoarmando
- · Replies 3 ·
Electric field and force from a thorium nucleus at 3.30×10⁻¹⁰ m
- Winzer
- · Replies 7 ·
Research question ideas for acoustics extended essay
- quozzy
- · Replies 9 ·
Two cars, acceleration, and speed.
- chaotixmonjuish
- · Replies 7 ·
What Is the Shortest Reciprocal Vector for a BCC Lattice?
- malawi_glenn
- · Replies 0 ·
Waves, finding frequency, wavelength, and speed
- aliaze1
- · Replies 2 ·
Coulomb force between point charges and electron charge calculation
- immeteen
- · Replies 9 ·
Roller coaster loop cart velocity
- raffish
- · Replies 1 ·
Brushing Up: Understanding Why We Must Do |$\psi_i$|$^2$
- FrogPad
- · Replies 4 ·
Solving Acceleration Problem: Find m/s^2 & Seconds
- bwilhelm
- · Replies 2 ·
Does Acceleration Vary with Time?
- chaotixmonjuish
- · Replies 5 ·
Speed of Earth at 41 degrees North.
- hawk320
- · Replies 11 ·
Ratio of Electric Force to Gravitational force
- Winzer
- · Replies 5 ·
Cross product and force on a charge due to applied magnetic field.
- Mr Virtual
- · Replies 9 ·
Electric Field off the end of a Rod
- xaer04
- · Replies 1 ·
Max Packing Fraction of Hexagonal Unit Cell Volume w/ Hard Spheres
- malawi_glenn
- · Replies 0 ·
Circular Motion of car over a bridge
- Kushal
- · Replies 9 ·
Is Electric Flux Undefined with Surface Charges on a Sphere?
- lugita15
- · Replies 1 ·
How Does Electron Energy Affect Atomic and Nuclear Dimensions?
- liaminho
- · Replies 2 ·
Solving Wind Force on Flat Roof Using Bernoulli's Equation
- mwahx3
- · Replies 2 ·
Why the period of rotation and revolution of moon is same?
- shanu_bhaiya
- · Replies 13 ·
Free rotation when initially rotated about some other point.
- shanu_bhaiya
- · Replies 9 ·
Radial acceleration of a discus
- niyati
- · Replies 2 ·
Height of a Ball on a Moving Wedge: How Does the Angle Affect the Result?
- raffish
- · Replies 2 ·
Mutual gravitational attraction of two 100mm iron spheres equals Earth's pull
- krnhseya
- · Replies 4 ·
Thermal Expansion with bending bars
- Ichiru
- · Replies 2 ·
Derivation of the equation in doube slits
- Oerg
- · Replies 4 ·
Chernobyl accident vs candu 3 reactor
- shanktank
- · Replies 3 ·
What is the trajectory of a playground ball launched from a rooftop?
- niyati
- · Replies 3 ·
Dynamics Question, Planar rigid body/ Relative velocities
- CaityAnn
- · Replies 1 ·
How Do You Calculate Roller Separation for Elastic Recovery in Rolling Mills?
- Snoopdork
- · Replies 2 ·
Magnitude of Electric Field Question
- William Bush
- · Replies 8 ·
Converting the candela definition to imperial power units
- Bryan Parry
- · Replies 12 ·
What is the maximum speed of an EV with given HP and resistance?
- ruteckyb
- · Replies 5 ·
Thermal conductivity through a cylinder?
- nelson_gslc
- · Replies 1 ·
Centripetal Force of an amusement park ride problem
- jcmtnez
- · Replies 1 ·
Calculate initial diameter from longitudinal strain and final diameter
- Snoopdork
- · Replies 2 ·
When does the automobile catch up to the truck starting from rest?
- redsox5
- · Replies 28 ·
Heat exchanged to air on a cylinder problem?
- P111ltl
- · Replies 2 ·
Electrons are incident on a crystal
- aidantof
- · Replies 1 ·
Centripetal Force behind Rotation?
- shanu_bhaiya
- · Replies 13 ·
Alpha-particle scattering experiment
- MA103
- · Replies 5 ·
What is the velocity of an object dropped from a high altitude?
- zimo
- · Replies 6 ·
Finding angles where an electron stays in equilibrium among three charges
- PFStudent
- · Replies 7 ·
How can I measure the magnetic field of a solenoid with varying currents?
- thick0122
- · Replies 2 ·
Why use kinetic energy instead of momentum to find power output
- whitestrat69
- · Replies 7 ·
What is the Projectile's Angle of Projection for Equal Range and Height?
- niyati
- · Replies 13 ·
Finding drag coefficient and air density for terminal velocity at 1000 m
- Energize
- · Replies 1 ·
What Is the Wavelength of the Incident X-ray Photon in Compton Scattering?
- amani96
- · Replies 1 ·
What are the equations for lines and planes in 3D?
- GameProgrammer
- · Replies 5 ·
0 resistance wire in parallel circuit
- ehrenfest
- · Replies 4 ·
Thermofluids Question wind tunnel u tube manometer
- P111ltl
- · Replies 1 ·
How far did the ball roll during the first 5 seconds of its motion?
- mayeh
- · Replies 3 ·
Inclined plane projectile problem from dynamics course
- CaityAnn
- · Replies 9 ·
Finicky bartenders and the trajectory of a drinking glass.
- niyati
- · Replies 6 ·
Solving a differential equation: R/L I + dI/dt = V/L
- ehrenfest
- · Replies 4 ·
How Is Energy Stored in a Resonant LRC Circuit?
- jesuslovesu
- · Replies 1 ·
MAX POWER question from Dynamics
- CaityAnn
- · Replies 9 ·
Acceleration of world-class sprinter
- kring_c14
- · Replies 7 ·
Proving tan\theta=(1-\sqrt{2})cot\theta
- ron_jay
- · Replies 4 ·
Simple three charges problem in 1D
- zimo
- · Replies 2 ·
What is the Acceleration of an Inclined Plane with a Mass on Top?
- ron_jay
- · Replies 10 ·
How does a die bounce and roll on a 45-degree slope?
- Mins
- · Replies 3 ·
What are the Four Quantum Numbers in Stationary States of the Hydrogen Atom?
- aidantof
- · Replies 2 ·
Heat flow through shoe sole: does volume matter?
- Revolt
- · Replies 3 ·
Physical meaning of the wavefunction
- aidantof
- · Replies 2 ·
Find the intensity of a sound - Wave problem
- Gunman
- · Replies 1 ·
Choosing the Right Device for Low-Freq Signals in a Soundsystem
- jesuslovesu
- · Replies 5 ·
Projectile Motion and Circular Motion
- Kushal
- · Replies 4 ·
What is the meaning of movement of wave profile in progressive waves?
- Gunman
- · Replies 2 ·
How do electrons flow in a circuit?
- rootX
- · Replies 8 ·
Am I on the right track with this electromagnetic and fluid qs?
- MD2000
- · Replies 9 ·
Vectors of position, velocity, and acceleration.
- niyati
- · Replies 2 ·
Question about circular movement.
- cosmic_tears
- · Replies 11 ·
Solving Collision Question: Speed After Intersection Impact
- eclipse30
- · Replies 2 ·
Can the Brightness of Bulbs in a Parallel Circuit be Equal?
- ehrenfest
- · Replies 3 ·
Deriving the Equation v^2=U^2+2as using Physics Principles
- stuwalshe
- · Replies 7 ·
Sonic wind rocket sled acceleration with constant acceleration
- kring_c14
- · Replies 1 ·
Velocity of water from 1 inch pipe at base of 10 meter overhead tank
- sudeep_s26
- · Replies 3 ·
Magnetic field around an infinitely long wire
- ehrenfest
- · Replies 8 ·
I dont get how ice skaters angular momentum is conserved when arms are drawn in?
- calculus_jy
- · Replies 8 ·
Find separation between these two particles - kinematics
- a150daysflood
- · Replies 14 ·
Square Coil, Round Hole and mutual inductance
- KidA
- · Replies 2 ·