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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Relative Motion problem driving me crazy
- Libohove90
- · Replies 3 ·
How Is Thermo Efficiency Calculated in a Monatomic Gas Cycle?
- AriAstronomer
- · Replies 3 ·
Sumation of symmetric and skew symmetri metrices
- harshakantha
- · Replies 5 ·
Finding maximum and minimum of the first Gaussian derivative
- Cosmossos
- · Replies 1 ·
Energy in an angular (coil) spring system
- Order
- · Replies 2 ·
Nortonization and nodal analysis
- PainterGuy
- · Replies 2 ·
Are my answers correct? (3D statics)
- Femme_physics
- · Replies 12 ·
Why does the solar parallax formula give 0.11 pc instead of the expected distance?
- clumps tim
- · Replies 2 ·
Electrical resistance Questionschool experiement ?
- cowboi12345
- · Replies 2 ·
Electrostatics - calculation of electric field intensity
- logearav
- · Replies 4 ·
Solving Acceleration Vector for Man on Ferris Wheel
- armolinasf
- · Replies 9 ·
Momentum of an object and kinetic energy
- amberlyp
- · Replies 9 ·
How Far Does a Ball Travel Horizontally Before Hitting the Ceiling?
- armolinasf
- · Replies 5 ·
Math puzzle from junior high 15 years ago
- charmed1j
- · Replies 14 ·
Open organ pipe what does 6 beats per second mean?
- yjk91
- · Replies 3 ·
Mass Dropped on Vertical Spring
- schaefera
- · Replies 3 ·
Waht does standing wave with both ends open has 396hz mean?
- yjk91
- · Replies 2 ·
Doppler effect car horn question
- yjk91
- · Replies 6 ·
What Are the Two Thermodynamics Questions in the Given Image?
- seia3a
- · Replies 3 ·
Moment of inertia of a solid of rotation
- Grand
- · Replies 5 ·
What is the Ratio of I1 to I2 for Zero Magnetic Field at Points A, B, and C?
- sphys4
- · Replies 2 ·
Visibility of sun in different altitudes
- trina1990
- · Replies 1 ·
Man pushing lawn mower at 45 degrees: finding normal force and friction
- Brandiiiii
- · Replies 3 ·
How much torque is needed to rotate a 100 lb pig on a spit?
- gazmo
- · Replies 5 ·
Impulse: Jumping before the elevator crashes
- js732192
- · Replies 3 ·
Having trouble with relative motion
- Libohove90
- · Replies 6 ·
Square coil rotated in a B field
- arl146
- · Replies 13 ·
Finding the equation of a wave. ?Easy?
- Patdon10
- · Replies 1 ·
What is the Displacement of a Particle from t=1s to t=3s?
- Jimmy84
- · Replies 4 ·
Why can a velocity of a wave be negative?
- andorrak
- · Replies 5 ·
Calculating error in measurements w/ uncertainty
- Wa1337
- · Replies 6 ·
The Force Between Alpha Particles at 5.6E-15m
- physmakesme
- · Replies 1 ·
Mechanism Geometry: Solving a Fixed Point Problem
- Kalus
- · Replies 1 ·
Proton travelling through a magnetic field
- JonathanH13
- · Replies 4 ·
Calculating Gas Ratio for Safe Diving at 50m Depth
- AriAstronomer
- · Replies 1 ·
Impossible to solve? [appears simple but isn't]
- Femme_physics
- · Replies 11 ·
What is a wave constant and how do you find the phase of a wave?
- yjk91
- · Replies 7 ·
Proveing Perpendicular of two vectors by applying Pythagoras rule
- harshakantha
- · Replies 12 ·
Circumpolar star declination problem
- trina1990
- · Replies 2 ·
Finding the magnitude of the electric field from 3 charges at a point P
- KKuff
- · Replies 5 ·
Paraffin vs wood for heat storage
- laramman2
- · Replies 2 ·
Finding Min Velocity for Projectile from A to B
- ed_uk
- · Replies 7 ·
Why does a voltmeter measure only the voltage drop across one resistor?
- joej24
- · Replies 7 ·
Spherical capacitor with 2 dielectrics.
- Lavabug
- · Replies 1 ·
Solving 1.25x − 6 = x step by step
- GladToLearn
- · Replies 4 ·
Finding wavelength of an electron
- kraigandrews
- · Replies 2 ·
Finding Current after 50s Capacitors
- Googl
- · Replies 4 ·
Calculating Distance for a Shunted Rail Carriage
- access
- · Replies 2 ·
Function for y(x,t) wave some questions
- yjk91
- · Replies 3 ·
Why is the kinematics formula 2d instead of d for box sliding down incline?
- tenbee
- · Replies 4 ·
Calculate magnitude of spring force
- PhySci83
- · Replies 8 ·
Conservative Forces (gravity/voltage)
- Mr. Johnson
- · Replies 9 ·
How Does a Critically Damped Oscillator Behave After a Sharp Impulse?
- kraigandrews
- · Replies 3 ·
Waves and A Fisherman on a boat
- Punkyc7
- · Replies 3 ·
Why field lines must begin or end on electric charges?
- pc2-brazil
- · Replies 1 ·
Michelson Interferometer question
- zimo
- · Replies 1 ·
Constant Power, Variable Acceleration
- cep
- · Replies 1 ·
Magnetic field produced by a current
- Tosh5457
- · Replies 4 ·
How to Solve for x(t)/x0 in a Damped Oscillator with Initial Values?
- kraigandrews
- · Replies 1 ·
Acceleration of block on acc' wedge
- John O' Meara
- · Replies 4 ·
How Do You Apply Pople Notation to Complex Spin Systems Like in 1-Bromobutane?
- scarecrow
- · Replies 1 ·
Determining Pressure in Pipe System
- Steel Worker
- · Replies 10 ·
How Do You Calculate Telescope FOV Using Earth's Rotation?
- trina1990
- · Replies 1 ·
Current produced by varying magnetic flux
- Tosh5457
- · Replies 1 ·
Irregular sculpture hanging from two thin vertical wires
- guille1
- · Replies 6 ·
Power transferred to resistance
- Tosh5457
- · Replies 2 ·
Faradays Law, Calculate E field
- teroenza
- · Replies 11 ·
Calculating Kinetic Energy of Fridge Pushed 5m
- AHUGEMUSHROOM
- · Replies 3 ·
Final velocity problem involving a roller coaster changing height
- AHUGEMUSHROOM
- · Replies 3 ·
Weightless beam AO with vertical force and wire tensions
- Femme_physics
- · Replies 6 ·
Pascal's Law - pressure inside the liquid vs. force needed to lift the liquid
- EnquiringMind
- · Replies 1 ·
Interference (Young's experiment) and an adhesive tape
- zimo
- · Replies 1 ·
Geiger and Marsden experiment. How did they create a vacuum?
- 1st
- · Replies 1 ·
Incredibly lost on Calorimetry Problem
- tessie0407
- · Replies 6 ·
Doppler shift from tuning fork rotating at 3.0 rev/s
- kiaguilar
- · Replies 5 ·
Wave functions and dynamic question
- yjk91
- · Replies 3 ·
Calculate Your Reaction Time to Avoid a Car Accident - Homework Problem
- iTheChosen1
- · Replies 2 ·
Find initial velocity of baseball given these info
- Libohove90
- · Replies 7 ·
How does the Compton effect wavelength formula work?
- bcphysicist
- · Replies 3 ·
Flow Rate and PSI of water exiting a pipe
- EnquiringMind
- · Replies 4 ·
Period of pendulum with attached spring for small oscillations
- ss883
- · Replies 3 ·
Simple Harmonic Motion - Acceleration
- Peter G.
- · Replies 4 ·
Questions About Satellites Orbiting Earth
- mrsvonnegut
- · Replies 22 ·
Questions on conservation of energy
- Kalix
- · Replies 9 ·
Calculating normal force for wedge
- PhySci83
- · Replies 4 ·
Talk about The Theory of Everything
- Tom McCurdy
- · Replies 4 ·
Projectile motion of a stuntman
- stupif
- · Replies 25 ·
How Do You Calculate Torque and Angular Momentum in a Pulley System?
- falco451
- · Replies 1 ·
The conservation of energy, why does it work? Negative work vs positive work
- flyingpig
- · Replies 54 ·
Net Force Equation for Object in Free Fall with Gravity and Drag Forces
- Theorγ
- · Replies 6 ·
Projectile motion problem involving finding launch angle
- EddieHimself
- · Replies 5 ·
A lightly damped harmonic oscillator
- kraigandrews
- · Replies 1 ·
Why is the parallax angle 1.52 arcsec if the measurement difference is 1.52 arcsec?
- jsmith613
- · Replies 7 ·
Converting the diameter for the equation l = RA/rho
- vikz
- · Replies 5 ·
Velocity in a loop with applied force and friction
- jaumzaum
- · Replies 1 ·
Calculating charge dissipation given two hanging masses
- noleguy33
- · Replies 1 ·
Blocks on Inclined Ramp Connected by Pulley
- chickyroger
- · Replies 2 ·
Correct Graph for Acceleration of Blocks A and B with Respect to Time
- vkash
- · Replies 11 ·
What acceleration of blocks in given condition.
- vkash
- · Replies 4 ·
Solve the Problem: A Challenge!
- erainer
- · Replies 4 ·