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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Can Energy Truly Displace Bodies in Motion?
- susskind99
- · Replies 20 ·
Kinetic Energy and Moment of Inertia
- RuthlessTB
- · Replies 1 ·
Single photons traversing a beam splitter
- physmatics
- · Replies 1 ·
Waves question involving 3 people in a tunnel
- bookerdewitt
- · Replies 4 ·
Light beam reflecting off rotating mirror: torque and angular acceleration
- jaumzaum
- · Replies 1 ·
What Causes the Most Significant Diffraction Effect for Grating Diffraction?
- songoku
- · Replies 13 ·
Energy loss and inclined planes
- Dongorgon
- · Replies 1 ·
The way the circuit is drawn is super confusing to me
- Mdhiggenz
- · Replies 11 ·
Application of Maxwell-Ampere's law
- careman
- · Replies 8 ·
Man and chair leaning at 60° against a frictionless wall
- Science4ver
- · Replies 13 ·
Why did a cylindrical tank break at 10m height?
- Forensic-guy
- · Replies 10 ·
Spring Energy (Finding Velocity)
- Sam Fred
- · Replies 5 ·
Compass deflection by overhead transmission lines
- SQUIDDO
- · Replies 2 ·
Headon inelastic collsion between small car and big truck
- bkraabel
- · Replies 8 ·
Calculate resistance with a silver plate in circuit
- lelon
- · Replies 5 ·
Counting microstates in Boltzmanns principle
- erm
- · Replies 2 ·
Separate variables schrodinger equation
- Cogswell
- · Replies 4 ·
Understanding phase relationships for AC capacitor/inductor circuits
- JustStudying
- · Replies 4 ·
Probability of energy measurement in an infinite square well
- Cogswell
- · Replies 9 ·
Quantum Harmonic oscillator, <T>/<V> ratio
- Cogswell
- · Replies 5 ·
Find current through 15Ω and 12.7Ω resistors
- thercias
- · Replies 1 ·
Movable pulley and two connected particles on horizontal tables
- Woolyabyss
- · Replies 5 ·
Circuit with three 10Ω bulbs having brightness ratio 1:2:3
- martinlematre
- · Replies 7 ·
Largest mass for Ultimate Tensile Strength
- AJKing
- · Replies 4 ·
Work-energy theorem for electron in circular orbit
- Jaymo3141
- · Replies 4 ·
Where is the intertial frame of reference applicable?
- readingforev
- · Replies 3 ·
Series or parallel wired capacitors for max power storage
- Birdnals
- · Replies 7 ·
Calculating Resistivity and Resistance: Solving for Unknowns
- Jaymo3141
- · Replies 2 ·
Electromagnetism, finding potential difference
- physics604
- · Replies 7 ·
Work Done/Power/Efficiency on an inclined plane
- Dongorgon
- · Replies 11 ·
Elastic collision between 4 kg and 2 kg blocks
- RuthlessTB
- · Replies 3 ·
Sum of Forces in X and Y Directions - axis set up normally
- cdornz
- · Replies 7 ·
Discrepancy between my work and book's [Static Fluid/Pressure]
- jeff.berhow
- · Replies 6 ·
Can You Give Examples of Industrial Processes That Depend on Gas Pressure?
- dee 123
- · Replies 14 ·
Uniform Circular Motion
- Nugso
- · Replies 8 ·
Faraday's law on rotating disk
- gralla55
- · Replies 4 ·
Describe results of performing young's experiment with x-rays .
- dannie
- · Replies 1 ·
Conservation of energy (Finding Velocity)
- Sam Fred
- · Replies 8 ·
Confusing Question: How Long Does it Take for a Racer to Travel 2(3.70)m?
- unstoppy
- · Replies 5 ·
Max Angle of Projectile for Increasing Position Vector
- rattanjot14
- · Replies 21 ·
Can Sound Travel Through Clay?
- Knightycloud
- · Replies 9 ·
How Do You Calculate Distance When Accelerating from Rest?
- astroboy397
- · Replies 8 ·
Electrostatic potential energy - dielectric between concentric spheres
- Saitama
- · Replies 25 ·
Determining Range of Values of P for Taut Cables
- yaro99
- · Replies 13 ·
Calculate the electric potential of a charged bar
- ShizukaSm
- · Replies 18 ·
Compressive/Tensive Force at joint
- cdornz
- · Replies 1 ·
What is the velocity of the hydrogen atom after absorbing the photon?
- dannie
- · Replies 1 ·
Why is electric flux Nm²/C and not area per field strength?
- Miike012
- · Replies 6 ·
Calculating Torque for F1: 50N at d1-d3
- cdornz
- · Replies 5 ·
How do you draw x and y components of a vector?
- cdornz
- · Replies 2 ·
Electron journey from wool to ground story assignment
- tg22542
- · Replies 16 ·
Why is Wool Used in the Resonance Tube to Calculate the Speed of Sound?
- Knightycloud
- · Replies 6 ·
Surface tension - liquid rising in capillary tube
- Saitama
- · Replies 15 ·
Calculating Charge on Metallic Plates with Open and Closed Switches
- Saitama
- · Replies 20 ·
What quantity shows the wave particle duality of light?
- dannie
- · Replies 1 ·
Photoelectric effect and Compton Scattering statements.
- dannie
- · Replies 1 ·
How Does Roller Coaster Design Affect Cart Speeds at Loop Apex?
- stunner5000pt
- · Replies 3 ·
Does a roller coaster have both kinetic and potential energy at every point?
- njuice8
- · Replies 1 ·
Describe the pattern of intensity vs wavelength .
- dannie
- · Replies 1 ·
How Do Charges Affect Net Force Calculation?
- aChordate
- · Replies 1 ·
Orbital frequency and frequency of emitted radiation.
- dannie
- · Replies 1 ·
What would happen to the frequency of emitted radiation
- dannie
- · Replies 1 ·
At what frequency does the rotating mirror need to turn?
- dannie
- · Replies 6 ·
Projectile Motion in 2d with Drag
- nathanthegreat
- · Replies 4 ·
How to Calculate the forces when carrying a gurney
- Science4ver
- · Replies 7 ·
What is the Velocity of the Last Piece of a Chain Falling on a Quarter Circle?
- member 428835
- · Replies 8 ·
Why Short the 4kΩ Resistor in Source Transformation?
- Mdhiggenz
- · Replies 2 ·
Coefficient of static friction for tongs.
- jonjacson
- · Replies 5 ·
Why do welders use filters to block out UV light?
- dannie
- · Replies 1 ·
What is the displacement of a wave on a string at a given instant of time?
- ZanyCat
- · Replies 5 ·
What is the Definition of 1 Joule and How Does it Relate to Lifting Objects?
- TSN79
- · Replies 12 ·
Capacitance of capacitor with unevenly charged plates
- PedroB
- · Replies 6 ·
How Does a Flywheel Store and Transfer Energy?
- wslukman
- · Replies 8 ·
Can someone explain the confusion with these basic motion equations?
- FlamingAero
- · Replies 3 ·
Calculating quality factor in a series LCR circuit?
- CrimsonFlash
- · Replies 4 ·
Irodov Equilateral Triangle Problem
- hello95
- · Replies 6 ·
Two Blocks and a Pulley with Friction
- . Arctic.
- · Replies 2 ·
Maximum speed for car rounding unbanked curve with friction
- candflhal
- · Replies 5 ·
How Do You Calculate Angular Velocity of a Merry-Go-Round Powered by a Dirtbike?
- MeghanPfeif
- · Replies 1 ·
High school physics computer programs or big collections of tasks with
- Reacto
- · Replies 1 ·
How Do I Perform Error Analysis in a Pendulum Experiment?
- MassivePhysics
- · Replies 1 ·
Surface tension - thread in soap solution
- Saitama
- · Replies 31 ·
Calculating Work to Push a Charge from Infinity
- anhnha
- · Replies 5 ·
Calculating Total Current in a Parallel RL Circuit
- Nikitin
- · Replies 10 ·
What Are the Steps to Find Thevenin and Norton Equivalents?
- xlu2
- · Replies 8 ·
What Are the Directions of Impulse and Momentum in Collisions?
- whitehorsey
- · Replies 3 ·
Why is the electric field inside an ideal inductor zero?
- anhnha
- · Replies 12 ·
Gas consumption to overcome drag force
- warfreak131
- · Replies 3 ·
Why won't my mousetrap car move when the trap is set off?
- xdzumux
- · Replies 12 ·
Classical mechanics, a puck and an incline
- Cogswell
- · Replies 4 ·
Multiple Slit Interference and Driffraction Grating
- Godcanthelp
- · Replies 4 ·
Magnetic force per unit charge and work done on a proton
- physninj
- · Replies 5 ·
Why is Friction in the Direction of Velocity in this Problem?
- whitehorsey
- · Replies 6 ·
Electroscope Problem: Why the Foil Leaves were Unaffected by a Neutral Balloon
- shadowfalcon
- · Replies 3 ·
Electron in Constant B-Field (Cylindrical Coordinates)
- Opus_723
- · Replies 5 ·
Potential due to induced charges
- Saitama
- · Replies 17 ·
Monkey Gun/Shoot the Monkey Equations Question
- nathanthegreat
- · Replies 7 ·
Calculating Maximum Voltage of a Plate for electron movement
- QuickSkope
- · Replies 13 ·
What Was the Initial Speed of the Rock Kicked Off a Cliff?
- 375551
- · Replies 9 ·
Finding Angles in Projectile Motion
- rakeru
- · Replies 20 ·