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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3 capacitors, a switch, and battery:simple configuration
- mrshappy0
- · Replies 8 ·
Graphical analysis of angular displace v time
- freshcoast
- · Replies 4 ·
Calculate Capacitance with Dielectrics
- screen1998
- · Replies 4 ·
Angular velocity when dropped wheel rotates opposite direction
- robertmatthew
- · Replies 5 ·
Induced current with two solenoids
- skate_nerd
- · Replies 6 ·
How Do I Determine Equivalent Resistors in a Circuit?
- judas_priest
- · Replies 11 ·
Nuclear physics: critical state and fission
- lovelyrwwr
- · Replies 2 ·
Magnetism of a bar magnet - maximum rate of change?
- Gatsby51
- · Replies 1 ·
Find the Focal Length Of a lens
- AyooNisto
- · Replies 15 ·
Slowest particle for decreasing acceleration
- FelidaeTrick
- · Replies 12 ·
Why use ear canal area in sound intensity calculation
- coconut62
- · Replies 2 ·
What is the potential difference in parallel plates?
- x86
- · Replies 1 ·
Ball rotating on axle which is rotating itself
- NathanLeduc1
- · Replies 4 ·
How Does Rotational Momentum Apply in a Combined Linear and Angular System?
- freshcoast
- · Replies 9 ·
Starship special relativity problem
- JamesGold
- · Replies 3 ·
The question is: What are the limits for theta and is the working correct?
- Saitama
- · Replies 9 ·
Why does mercury height stay at 76 cm if weight depends on column width?
- adjacent
- · Replies 8 ·
Newton law's - Finding acceleration
- Saitama
- · Replies 40 ·
How High Can a Nuclear Bomb Energy Lift a Mass of Water?
- MarcL
- · Replies 6 ·
Photon of intermediary energy - Spontaneous Emission
- jaumzaum
- · Replies 5 ·
Solving Solid Disk Rolling Up Incline: Find Height h
- NathanLeduc1
- · Replies 4 ·
Phyiscs- Beats and frequency problem
- CivilSigma
- · Replies 6 ·
Heat energy in a mixture to get final temperature
- johns123
- · Replies 2 ·
Electricity problem, is high potential at
- x86
- · Replies 9 ·
What is the correct thickness of the foil based on the observed dark lines?
- AyooNisto
- · Replies 4 ·
Is Momentum Conserved in Both Axes During a Projectile Explosion?
- Toranc3
- · Replies 4 ·
What is the gravitational acceleration on the surface of Moon B?
- Yosty22
- · Replies 1 ·
Show that it is a energy eigenstate and find the corresponding energy
- Denver Dang
- · Replies 2 ·
Spring constant from torque on current loop in magnetic field
- enforcer53
- · Replies 8 ·
Collisional excitation minimum velocity
- torchflame
- · Replies 4 ·
How do I solve for the angle in Newton's Second Law problem with two unknowns?
- Clever_name
- · Replies 19 ·
Cubic and Linear Thermal Expansion.
- SherlockOhms
- · Replies 5 ·
Find the Current and potential difference in a parallel/series circuit
- Absolutism
- · Replies 3 ·
If you kick a rolling ball perpendicularly, what happens?
- Nerkiot
- · Replies 1 ·
Velocity and acceleration algorithm
- cupo
- · Replies 1 ·
Speed of a moving laser due to refraction
- Erubus
- · Replies 6 ·
Skier coasting up a 9.3° hill with initial speed 4.2 m/s
- slil
- · Replies 1 ·
Why is the central fringe the brightest in diffraction patterns?
- MarcL
- · Replies 1 ·
Find the Mass Moment of Inertia about the x,y,z axes
- Northbysouth
- · Replies 7 ·
How Do You Calculate Current in a Complex Circuit?
- Majikfreak
- · Replies 1 ·
Image Formed by a System of Lenses
- Renaldo
- · Replies 12 ·
How Do You Solve the Steady Temperature Distribution for a Semi-Infinite Plate?
- inferno298
- · Replies 1 ·
Calculate the wavelength of an electron for a certain energy
- mitochondriaro
- · Replies 1 ·
Knowing Damping and Spring Constant Finding Time
- CalebtheCoward
- · Replies 6 ·
Skier coasting up a 9.3° hill with initial speed 4.2 m/s
- slil
- · Replies 1 ·
What is the Equilibrium of a Uniform Rod with Unknown Weight?
- Yosty22
- · Replies 1 ·
Total linear momentum of swinging bat
- Juke
- · Replies 8 ·
Can a Highly Charged Rod Strip All Electrons from Aluminum Foil?
- davon806
- · Replies 1 ·
Rotational energy and flywheels
- goli12
- · Replies 4 ·
Constructive Interference of Sound Waves
- cjavier
- · Replies 1 ·
Problem on Galilean transformation
- arque
- · Replies 1 ·
Finding initial acceleration with two masses and pulleys
- Saitama
- · Replies 22 ·
How Does the Particle's Velocity and Potential Shape Affect its Transit Time?
- CAF123
- · Replies 16 ·
Monochromatic Light and a Prism
- Gee Wiz
- · Replies 15 ·
Finding the temperature change of Earth's surface over 12 hours
- leonmate
- · Replies 6 ·
Writing impulse in vector notation
- xxascendantxx
- · Replies 2 ·
Question Regarding Impulse and momentum
- kashan123999
- · Replies 35 ·
Where does the wave number k come from in Schrödinger's equation?
- daselocution
- · Replies 2 ·
Minimum Velocity to become airbourne
- mouthwash
- · Replies 6 ·
Finding the potential different across an un-parallel plate capacitor
- phy00
- · Replies 10 ·
SHM velocity at t=1.35 s with 65 g mass and 18 cm amplitude
- jklops686
- · Replies 7 ·
Find the Maximum Angular Velocity of the Quarter Circle with Energy
- Northbysouth
- · Replies 3 ·
Find the induced magnetic current on the inner of two rings
- rocapp
- · Replies 1 ·
How Does Angular Acceleration Affect Motion in a Rotational System?
- CollegeStudent
- · Replies 9 ·
Determine the Acceleration of point A
- Northbysouth
- · Replies 5 ·
Half life Tc-99m injected into a patient
- needingtoknow
- · Replies 4 ·
Are electrons constantly orbiting around the nucleus in an atom?
- davon806
- · Replies 3 ·
Tensile stress, radius and Young's modulus
- Gewitter_05
- · Replies 6 ·
Calculating Direction and Speed Change in a Peregrine Falcon and Raven Collision
- Legerity
- · Replies 2 ·
Microwave Optics Lab Experiment - PSU Manual
- sindarintech
- · Replies 5 ·
Find the velocity and strength of magnetic field from the given info
- rocapp
- · Replies 4 ·
Newton's laws for masses connected by a string over a pulley
- Saitama
- · Replies 20 ·
How Does Temperature Change Relate to Work Done by a Gas?
- mrcotton
- · Replies 4 ·
Period and energy of a 10kg pendulum with 0.5J of extra work
- Abdeln
- · Replies 8 ·
Using displacement, velocity and acceleration oscillation equation?
- rockchalk1312
- · Replies 2 ·
Hydrogen atom probability of electron inside nucleus
- FatPhysicsBoy
- · Replies 2 ·
Find the Angular Acceleration, acceleration and friction force extered
- Northbysouth
- · Replies 1 ·
When to multiply flux by number of turns N in solenoid problems?
- aimslin22
- · Replies 2 ·
Steel mass attached to the ceiling, maximum height gain if it is hit
- needingtoknow
- · Replies 6 ·
Finding equivalent impedance in parallel RC and RL circuit
- pokie_panda
- · Replies 2 ·
Finding the velocity of a standing wave
- JRibaudo2813
- · Replies 7 ·
Heating water to boiling and melting ice
- tooperoo
- · Replies 2 ·
Electron in one dimensional infinite square well
- whynot314
- · Replies 4 ·
Electricity contradiction? Which one is right
- x86
- · Replies 6 ·
Calculate the minimum work to extract a body of the water
- orlan2r
- · Replies 21 ·
A Dynamics Problem Regarding Friction.
- AvocadosNumber
- · Replies 5 ·
Electric field direction with an electron?
- x86
- · Replies 2 ·
Static/Kinetic Friction Question. Is my reasoning correct?
- Combinatorocks
- · Replies 2 ·
When to multiply magnetic flux by the number of turns in a coil?
- aimslin22
- · Replies 2 ·
Period of meter stick suspended from rigid rod pivot
- e=mcahhhh
- · Replies 3 ·
Electric Potential in electric fields true/false
- physninj
- · Replies 6 ·
Statics: Drawing Shear and Moment Diagram
- Chandasouk
- · Replies 3 ·
Electrostatics problem: Find charges on the surface of the dielectric
- Sunil Simha
- · Replies 3 ·
Calculate mass loss in fission of Uranium-235
- xatu
- · Replies 2 ·
Finding thermal conductivity from ice melting rate
- Joshb60796
- · Replies 7 ·
Find relative number of H atoms in n=1,2,3,4 energy levels
- xatu
- · Replies 2 ·
Graph of Tension force vs. the square of the speed
- rstat1
- · Replies 7 ·
Three people are balanced on a uniform seesaw - Torque
- Gewitter_05
- · Replies 4 ·
Finding Acceleration of Two blocks connected by a string.
- shinify
- · Replies 2 ·
Calculating virtual temperature
- Timebomb3750
- · Replies 1 ·