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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RLC Circuit Behavior with Changing Frequency, Capacitance, and Voltage
- Asmaa Mohammad
- · Replies 2 ·
Electric Field due to multiple point charges
- tarkin
- · Replies 2 ·
Relativity: Spaceship travel times and distances
- annalian
- · Replies 2 ·
Archived Solid State Physics: Hall Effect + Semiconductor Lab
- Turion
- · Replies 1 ·
Maximum velocity for the motor movement
- Joan M
- · Replies 23 ·
The total tension acting on a rotating rod
- EddiePhys
- · Replies 9 ·
Charges inside a metal sphere will tend to go towards
- jaus tail
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Stiffness factor for member in beam
- fonseh
- · Replies 5 ·
Classical mechanics electrostatics and charges
- timetraveller123
- · Replies 4 ·
Find change in electric potential energy
- sunset117
- · Replies 1 ·
Object Rotating on a Semicircle
- RoyalFlush100
- · Replies 1 ·
DeBroglie wavelength based on kinetic energy
- Cocoleia
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Distance and Time for a Moving Muon
- Pouyan
- · Replies 1 ·
Newton's 2nd Law Problem, Angle exerted on block by surface
- Icycub
- · Replies 7 ·
What is the Maximum Height of this projectile?
- EthanVandals
- · Replies 2 ·
Can I use this solution? Angular motion
- OrlandoLewis
- · Replies 5 ·
Is GPS a good topic for a physics of light and waves research assignment?
- AlexisFair
- · Replies 2 ·
Calculating Angular Acceleration and Speed with Variable Force on a Pulley
- Arman777
- · Replies 9 ·
Tug-of-war with competing decay of force equations
- calebs17
- · Replies 5 ·
Relationship between emf and magnetic field strength
- mingee kim
- · Replies 4 ·
What is the Energy Released in a Nuclear Reaction?
- WWCY
- · Replies 5 ·
Friction Torque and Lost Energy in Colliding Disks: Where Did it Go?
- Arman777
- · Replies 5 ·
Electric field at a point affected by two charges
- pbj_sweg
- · Replies 10 ·
What EMF stops the current through the middle resistor in this coil circuit?
- snir
- · Replies 16 ·
Current through left bridge of a Wheatstone Bridge
- nagyn
- · Replies 2 ·
Probability of getting specific states -- Quantum Mechanics
- Thomas Brady
- · Replies 5 ·
How do I analyze an ideal diode circuit for forward and reverse bias?
- Cocoleia
- · Replies 10 ·
Is MCB Actually Larger than MBC in Frame Structures?
- fonseh
- · Replies 6 ·
Why does the author use Δ1 + Δ2 for C instead of just Δ2?
- fonseh
- · Replies 3 ·
Induced current in a moving bar on rails
- khaled hayek
- · Replies 4 ·
Friction problem -- 2 blocks and a rope on an inclined plane
- iwan97
- · Replies 12 ·
Net electric flux through a Gaussian cube
- Jrlinton
- · Replies 3 ·
Latent heat and specific heat in insulated container
- heartshapedbox
- · Replies 1 ·
Cartesian Coordinates and Cross Product of Vectors for Magnetic Field Direction?
- The black vegetable
- · Replies 3 ·
Current Through A Resistor That Is In Parallel With A Capacitor
- solour
- · Replies 4 ·
Getting direction of force of two point charges on a third
- cmkluza
- · Replies 2 ·
Creating closer fringes in double-slit interference
- AlexisFair
- · Replies 2 ·
Calculating Kinetic Energy and Maximum Speed for a Leaking Oil Tanker Truck
- kitsh
- · Replies 9 ·
Finding relationship between Range and Launch height
- Sam 1998
- · Replies 6 ·
Gaussian shell and electric field
- Jrlinton
- · Replies 8 ·
Electric field of a washer (hollow disk)
- Anne Armstrong
- · Replies 5 ·
Train engine climbing a hill: finding work and heat
- dlacombe13
- · Replies 19 ·
Why is the component down the ramp mgsin(θ) and the normal force component mgcos(θ)?
- EthanVandals
- · Replies 3 ·
Consistent Trajectory for a non-zero rest mass particle?
- DeldotB
- · Replies 4 ·
How do I find the points where the electric field is zero?
- Mason Smith
- · Replies 3 ·
What is the energy of a toroidal solenoid with given dimensions and current?
- iwan97
- · Replies 2 ·
Loudspeaker Question (Sound and Intensity)
- K_Physics
- · Replies 1 ·
Egg thrown upward at 27.4 m/s from 1.36 m height
- TheFlemster
- · Replies 13 ·
Electric field strength near a metal plate
- jlmccart03
- · Replies 4 ·
Understanding Critical Flow and Minimum M in Fluid Mechanics
- fonseh
- · Replies 1 ·
How Does a Rotating Charged Ring Respond When a Magnetic Field is Removed?
- Xubi
- · Replies 12 ·
Radiating sphere inside spherical shell - heat transfer
- FranzDiCoccio
- · Replies 8 ·
Why does impulse of a punted ball not require its mass?
- kq6up
- · Replies 6 ·
Current through a conductor with varying cross-sectional area
- WWCY
- · Replies 22 ·
Calculating the Charge on Capacitor
- AnonBae
- · Replies 8 ·
Magnitude of electric field near spherical shell
- jlmccart03
- · Replies 7 ·
How to show torque in a free body diagram for a ruler on a pivot
- Justin Webb
- · Replies 14 ·
Find electric field strength expression for a specfic region
- jlmccart03
- · Replies 35 ·
Light (Constructive/Destructive Interference)
- Vanessa Avila
- · Replies 5 ·
Induced current in a metal ring
- LogarithmLuke
- · Replies 51 ·
Calculating the Size of an Arbitrary Planet
- Maximil
- · Replies 1 ·
How to find angular acceleration given a force applied?
- xtreameprogram
- · Replies 5 ·
Power Output of a Turbine (Rotational Energy)
- Ceesa
- · Replies 13 ·
Rearranging m1-m2=-2.5log10(F1/F2) to find F1
- Physics Dad
- · Replies 8 ·
Finding the Moment of Inertia for a Rectangular Sheet
- reslion
- · Replies 1 ·
How to find Voltages and currents of the following circuit
- itzernie
- · Replies 7 ·
3 Examples of jobs related to the interference of light
- LionLieOn
- · Replies 16 ·
Potential energy in Gauss' gun
- daisy3110
- · Replies 4 ·
How Does Gravity Affect the Frequency Needed to Keep Water in a Jar on Mars?
- Arman777
- · Replies 3 ·
Deriving the moment of inertia of a sphere
- Vitani11
- · Replies 6 ·
Insulated bulbs immersed in heat reserviors
- decentfellow
- · Replies 2 ·
Finding angular acceleration from revolutions and velocity
- hpthgpjo
- · Replies 2 ·
Uncertainty in Fluid Viscosity Measurement: Improving Result Presentation
- Diana Moceiparisi
- · Replies 1 ·
Static Equilibrium: Understanding Changes in Tension and Vertical Force
- jakeginobi
- · Replies 4 ·
Understanding Potential Energy Graphs for Two-Particle Systems
- AsadaShino92
- · Replies 10 ·
Calculating Flywheel Rotations in Angular Speed and Constant Acceleration
- Arman777
- · Replies 10 ·
Static equilibrium with friction question
- remettub
- · Replies 9 ·
What is the Surface Charge Density Based on Velocity Over Time Graph?
- Jrlinton
- · Replies 11 ·
Charge on a cavity wall and Gauss' law
- Jrlinton
- · Replies 3 ·
Charge between two metal plates
- Jrlinton
- · Replies 2 ·
Gaussian Shell and net electric field
- Jrlinton
- · Replies 4 ·
Basic electrostatics problem; analytical solution?
- Taulant Sholla
- · Replies 5 ·
RC circuit black box circuit modeling
- CookieSalesman
- · Replies 3 ·
[PoM] Electrons Fermi level in a crystal
- BRN
- · Replies 8 ·
Tangential force on rolling spherical shell: why do I get 3F/2m instead of 6F/5m?
- Yodaa
- · Replies 26 ·
Find average acceleration - vectors
- Michelle027
- · Replies 19 ·
Electrical Circuit Problem / Electric Potential Difference
- fuvest
- · Replies 2 ·
Why is it not possible for D2 to be off in this diode problem?
- Cocoleia
- · Replies 21 ·
How Long Does It Take for a Flywheel to Stop?
- Arman777
- · Replies 18 ·
Electric Flux through half a cylinder
- jlmccart03
- · Replies 10 ·
Impedance matching a purely resistive load
- timnswede
- · Replies 3 ·
Activity of 1 g of carbon if 1 in 10^12 atoms are carbon-14
- WhiteWolf98
- · Replies 11 ·
When is gravitational value - and/or +?
- EinsteinApple
- · Replies 7 ·
Angular acceleration of a wheel w/string on inner hub?
- Grey_Thunderhead
- · Replies 4 ·
When will a rope break on 2kg and 3kg objects under increasing force?
- iwan97
- · Replies 14 ·
Effect of decreasing distance between wave sources on interference pattern
- LionLieOn
- · Replies 2 ·
Volume occupied a single molecule of water.
- decentfellow
- · Replies 9 ·
Oscilloscope AC/DC Rectifier Problem
- Matt21
- · Replies 2 ·
Understanding Cylindrical Capacitors: Charged vs. Disconnected
- Toby_phys
- · Replies 2 ·
Inelastic collision between two perpendicular particles
- physics148
- · Replies 1 ·