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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Kinetic Energy of a Charged Particle near a Charged Ring
- SkyeAlen
- · Replies 2 ·
Find dissipative function for the non-linear force f=-bv^n
- mcconnellmelany
- · Replies 3 ·
Rotational Motion Problems: Tilting Pole, a Yo-Yo, and a rolling hoop
- random26
- · Replies 2 ·
Quarter- bridge strain gauge circuit
- Janka
- · Replies 1 ·
Prove this equation using fields: show F=Bqv
- GCSEsoon
- · Replies 2 ·
How Does Ampere's Law Apply to an Infinite Sheet of Current?
- babydimples
- · Replies 1 ·
A Solenoid, a Moving Magnet, and a Light Bulb -- Will the Light Bulb LIght Up?
- Illuminitwit
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Wavelength of scattered photon and angle of scattering in the Compton scattering
- Ezequiel
- · Replies 1 ·
Derive the Venturi Meter eqn from the Bernoulli eqn
- GreyNoise
- · Replies 2 ·
Period of Anharmonic Oscillator
- Vuldoraq
- · Replies 10 ·
How Do You Calculate Parameters for a Given Speed Distribution Function?
- Niko84
- · Replies 1 ·
Determining Best Value of k for Compound Pendulum
- discombobulated
- · Replies 1 ·
Two infinite charged lines -- find the locations where E=0
- Grifter
- · Replies 1 ·
Resistance of a hollow aluminum cylinder
- digitaleyes
- · Replies 1 ·
Proving angle between telescope positions equals twice angle of minimum deviation
- leviathanX777
- · Replies 1 ·
Equations of motion for a compound pendulum
- msntito
- · Replies 1 ·
Can You Solve These Vector Questions About Wind?
- uniquegirl
- · Replies 49 ·
Focal length of a concave mirror
- hds29ka
- · Replies 1 ·
Conceptual questions in Fluid Mechanics
- stunner5000pt
- · Replies 1 ·
Pressure higher up in the atmosphere
- brotherbobby
- · Replies 13 ·
Boltzmann Distribution Relative Population of 2 atomic states
- dozappp
- · Replies 1 ·
Ray Tracing and Image Formation with a Concave Lens
- binhnguyent9
- · Replies 1 ·
Electric field strength from a light bulb
- A90
- · Replies 1 ·
Find the total magnification for a system of 2 converging lenses
- yddet12
- · Replies 1 ·
Traveling proton and electric field problem
- kirby2
- · Replies 3 ·
How Do You Model a Mass-Spring-Damper System for a Rotating Body?
- reckk
- · Replies 1 ·
Calculating Distance and Time for Traveling to a Star at 1.0x10^8 m/s
- msimard8
- · Replies 2 ·
Two Closed Thermodynamic Cycles Conceptual Question
- doggieslover
- · Replies 1 ·
How Do You Calculate Vertical Acceleration in a Block and Pulley System?
- disruptors
- · Replies 1 ·
Half wave rectifier Ripple Voltage
- SteDolan
- · Replies 1 ·
Derive Wheatstone Bridge's equation
- omelet
- · Replies 1 ·
Understanding Law of Poles (Electric)
- Ithryndil
- · Replies 1 ·
Effective Spring Constant for Three Masses and Four Springs
- cowshrptrn
- · Replies 1 ·
Torque, Equilibrium, and Center of Mass
- Lyphta
- · Replies 1 ·
Magnetic Interactions in a Wire-Magnet System
- cy19861126
- · Replies 1 ·
General calculation of the oscillation freq of a hydrogen molecule
- Kibbel
- · Replies 1 ·
Calculating Enthalpy and Internal Energy of Melting Ice
- edimeo25
- · Replies 1 ·
Maximum transverse velocity of a wave along a string
- warfreak131
- · Replies 1 ·
Bifilar pendulum questions for my lab
- jenil_nz
- · Replies 9 ·
Rate of reaction, rate constants, and Arrhenius' Equation
- physics120
- · Replies 1 ·
Which current and field directions produce a northward force on a wire?
- mit_hacker
- · Replies 1 ·
Thermal Expansion for an Ideal Gas
- ryaneye
- · Replies 1 ·
Force table lab: equilibrium with weight holders and tilted surfaces
- munchy35
- · Replies 1 ·
What are some tips for improving a friction experiment?
- Vixus
- · Replies 1 ·
Moment of Inertia of a Triangular Prism
- Oijl
- · Replies 1 ·
Calculating Rotational Inertia of a Rectangular Prism
- r16
- · Replies 4 ·
Special relativity - two flashes at different places
- wumple
- · Replies 3 ·
Current density, drift velocity and electric field
- Mauvai
- · Replies 1 ·
Pulse vs Continuous transducers (Ultrasound)
- Joan B.
- · Replies 1 ·
Calculating Force in System S' Using Lorentz Transformation
- mntb
- · Replies 1 ·
Intensity of Electromagnetic Waves
- diethaltao
- · Replies 2 ·
Particle sliding down a frictionless sphere
- attilathedud
- · Replies 1 ·
How would you develop a force scale for measuring weight using springs?
- gixx3r
- · Replies 1 ·
Maximum range angle on inclined plane between vertical and slope
- Maianbarian
- · Replies 1 ·
Moment of Inertia of a turntable
- Raziel2701
- · Replies 1 ·
Which Collision Results in Greater Momentum and Energy Loss?
- justagirl
- · Replies 1 ·
Magnetic field variation with distance
- dfx
- · Replies 1 ·
Does the observed frequency approach infinity or does it become negative?
- k-hursh
- · Replies 1 ·
Finding angular speed/accel from tangential speed
- thatgirlyouknow
- · Replies 1 ·
What is the magnitude of the current in this ionic solution?
- BuBbLeS01
- · Replies 1 ·
Equation of velocity on transverse wave
- Joza
- · Replies 1 ·
Faraday's Law vs. V = vBl for determing potential difference of a conducting rod
- sdcmma
- · Replies 1 ·
Open Gas Turbine - calculate T2, T3, T4, efficiency
- Waits
- · Replies 1 ·
What Happens in a Relativistic Elastic Collision with Equal Masses?
- runevxii
- · Replies 1 ·
Electric Dipole Force between Ammonia and a Proton
- Badger
- · Replies 1 ·
Induced current of a coil surrounding a solenoid
- jchoca
- · Replies 4 ·
Finding multiple ways to calculate or find coefficient of friction (μ)
- Janarth_M
- · Replies 1 ·
Calculating Pressure and Velocity in a Venturi Meter Setup
- MissKaylaPaige
- · Replies 1 ·
Finding spring constant, damping constant and Q for suspension of a car
- FortisInArdui
- · Replies 1 ·
Finding the relationship between wave speed and tension in a standing wave
- Eutrophicati
- · Replies 1 ·
Ranking induced emfs and currents {Faraday's Law}
- skwz
- · Replies 1 ·
Transverse longitudinal waves : slinky lab
- jnimagine
- · Replies 1 ·
Calculating h in a Venturi Tube
- Metalsonic75
- · Replies 1 ·
What are the Periods of Oscillation for Different Pendulum Configurations?
- JJBrian
- · Replies 5 ·
Does Wave Speed on a Wire Change with Temperature Increase?
- Fluxxx
- · Replies 6 ·
How Is Kinetic Energy Transformed in Nuclear Fusion Reactions?
- astros10
- · Replies 1 ·
How Do You Calculate the Focal Length of a Planar Convex Lens?
- Icheb
- · Replies 1 ·
Flow through a pipe, pressure, velocity, Bernoulli, etc
- Gyro
- · Replies 1 ·
Calculate the kinematic threshold energy of a proton
- tritenick
- · Replies 1 ·
How to Calculate Angular Acceleration and Kinetic Energy?
- Gtseviper
- · Replies 1 ·
Electric Potential : First concepts
- mitleid
- · Replies 1 ·
Heisenberg Uncertainy Principle
- Dars
- · Replies 1 ·
How Much Energy is Converted from Mass to Kinetic Energy in Uranium Fission?
- musicmar
- · Replies 1 ·
Electric field, flux and magnetic field in a charging parallel plate capacitor
- geoffreythelm
- · Replies 2 ·
Molar specific heat of a gas using equipartition theorem
- doggieslover
- · Replies 2 ·
Wavefront refraction at vacuum/material interface using Huygens' principle
- Ophelia_S2
- · Replies 1 ·
Deriving Efficiency of a Diesel Engine Formula
- CallMeShady
- · Replies 2 ·
Calculating the Young's Modulus of Rubber - Calculation Check
- RajdeepSingh7
- · Replies 5 ·
What is the minimum force needed to move a block with friction present?
- rudransh verma
- · Replies 92 ·
Banked Curve: Finding the normal force with friction
- WitteVrouw
- · Replies 3 ·
Error estimation of moment of inertia of a flywheel
- angelina
- · Replies 1 ·
Calculate velocity with initial height, range and angle
- spiderdan
- · Replies 1 ·
What is the magnitude of the magnetic field inside the toroid
- mr_coffee
- · Replies 1 ·
Magnetic field from electron motion in two directions
- yayirunin2car
- · Replies 1 ·
How Does Earth's Atmospheric Charge Density Vary with Altitude?
- Punchlinegirl
- · Replies 1 ·
How Do You Calculate Tension in Wires Hanging a Composite Shaped Plate?
- beatboxbo
- · Replies 1 ·
Calculate Thermal Indicated Thermal Efficiency Of An Otto Engine
- smokingwheels
- · Replies 1 ·
Albedo equations giving different results
- Sabrewolf
- · Replies 1 ·
Electric Field inside and outside of Dielectric sphere
- JayKo
- · Replies 1 ·
Electric field with dielectric constant
- quietriot1006
- · Replies 1 ·