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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I am new here, this is more of a conceptual confirmation than mathemab
- ALLIRIX
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What is the Frequency of the Third Harmonic in a Heated, Stretched Yarn?
- utkarshakash
- · Replies 4 ·
Analyzing Rotational Motion of a Spinning Disk on a Horizontal Surface
- codingbee
- · Replies 15 ·
Calculating the Velocity of a Baseball Hit at 300° Angle
- Karol
- · Replies 5 ·
First order RC Circuit Table problem
- k31453
- · Replies 4 ·
Cylinder submerged in salt water (Ideal gas law, pressure)
- TheKShaugh
- · Replies 3 ·
Electrostatics: Finding possible value of charge
- utkarshakash
- · Replies 4 ·
Light ray refraction at 30° to normal in glass block using Snell's law
- Sprattboy
- · Replies 6 ·
Questions on photoelectric effect, black-body radiation, and atomic models
- blue_lilly
- · Replies 3 ·
How Long Does It Take for a Dropped Ball to Hit the Ground?
- Govind_Balaji
- · Replies 12 ·
How Do I Calculate Uncertainty in My Physics Lab Report?
- boii
- · Replies 17 ·
How Hot Must the Balloon Air Be for a 1000kg Lift?
- FabledIntg
- · Replies 13 ·
Decelerating distance and magnitude of impulse of a car
- Juls808
- · Replies 7 ·
Electrical conductivity of a semiconductor
- Plasmosis1
- · Replies 6 ·
Why is the friction coefficient tan(α) for a body at rest on a slope?
- FabledIntg
- · Replies 17 ·
Calculate energy lost to a rough surface
- Toliver96
- · Replies 7 ·
Using Bernoulli's equation to find siphon flow velocity
- sreya
- · Replies 11 ·
Work done by a gas during an adiabatic process involving a state chang
- qazadex
- · Replies 2 ·
What method should I use to solve variable mass problems in physics?
- albega
- · Replies 2 ·
Taylor 4.34 - Energy of a Pendulum
- Radarithm
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How Do You Calculate Net Resistance and Current Flow in These DC Circuits?
- scrubber
- · Replies 8 ·
Why is R_c short-circuited in circuit (a) but not in (b)?
- Rectifier
- · Replies 20 ·
Forced SHM with damping problem
- asaspades
- · Replies 1 ·
What is the result of mixing 10g of ice at -10 deg celcius?
- postthreads
- · Replies 3 ·
Electron [N] moving in a magnetic field [up]
- kahunah
- · Replies 8 ·
A resistor, an inductor, and a capacitor are connected in series?
- accioquote
- · Replies 1 ·
Optics: Solving for Slit Size Missing Fringes
- Feodalherren
- · Replies 1 ·
What is the Ratio of Slit Distance to Wavelength in Laser Diffraction?
- ghostops
- · Replies 3 ·
Light ray at 400nm entering crystal perpendicular to bottom face
- PropulsionMan
- · Replies 1 ·
What was the velocity of the apple before it hit Newton?
- Chickadee
- · Replies 2 ·
Linear speed of car coasting on two tracks
- riddle_me_phys
- · Replies 12 ·
How Close to Speaker B Must You Be for Destructive Interference at 172 Hz?
- sreya
- · Replies 1 ·
Optics aperture modeling rect functions
- binbagsss
- · Replies 1 ·
Does the Wave Function Approach Zero at Infinity?
- thatguy14
- · Replies 6 ·
Where to find challenging physics 12 problems on kinematics and dynamics
- aefre
- · Replies 3 ·
Find Mass of Rope Given Horizontal Force of 20N
- utkarshakash
- · Replies 6 ·
Why is flux through the flat base negative in Gauss's law?
- cuongbui1702
- · Replies 9 ·
Torque problem (man standing on a deck)
- hri12
- · Replies 3 ·
Electromagnetic induction (production of emf)
- delsoo
- · Replies 1 ·
Electromagnetic induction graph of E versus I
- delsoo
- · Replies 1 ·
What is the correct answer for the electric charge question?
- cuongbui1702
- · Replies 14 ·
Capacitor is charged then connected to a capacitor and battery
- TheEvenfall
- · Replies 2 ·
Average energy mass on a spring
- thatguy14
- · Replies 2 ·
How Does Force Angle Affect Book Acceleration with Friction?
- hri12
- · Replies 8 ·
How Is the Lagrangian Formulated for a Falling Rod on a Frictionless Surface?
- CAF123
- · Replies 19 ·
Struggling with parts b and c of a Carnot cycle problem
- Donna14
- · Replies 1 ·
Distance travelled in n time when a body is thrown upwards
- Govind_Balaji
- · Replies 2 ·
Young's Double Slit: Find Min. Plexiglas Thickness for Dark Spot
- Feodalherren
- · Replies 5 ·
Tension and Acceleration with a Pulley and Two Masses
- rakeru
- · Replies 7 ·
Wave on two strings with different mass densities
- Just_some_guy
- · Replies 9 ·
What is the Minimum Time for Acceleration in an Auto Engine Power Problem?
- tmobilerocks
- · Replies 1 ·
Transmission Line (simple Prob)
- tim9000
- · Replies 5 ·
Maximum Compression of Spring in Block Collision
- toothpaste666
- · Replies 10 ·
Simple Pendulum Amplitude Investigation: Graph and Uncertainty Analysis
- influx
- · Replies 3 ·
Population Inversion: Pumping Wavelength for 3.5 eV Energy Difference
- Aoiumi
- · Replies 1 ·
Calculating Quanta Emitted by a Blackbody at 500 C
- Aoiumi
- · Replies 2 ·
How Do You Sketch Voltage and Current Waveforms for a Coaxial Transmission Line?
- tim9000
- · Replies 3 ·
How Can We Determine if Someone is Farsighted?
- Examined
- · Replies 4 ·
Ideal Gas/Work Done by Water Problemq
- Bgerst103
- · Replies 4 ·
Moments about two points of an object
- shott92
- · Replies 5 ·
Biehle's Nova Physics page 3 error with volume calculation?
- thatrunner
- · Replies 2 ·
Simple Harmonic Motion Pendulum
- sreya
- · Replies 2 ·
Spring potential Problem Reference Point
- yolo123
- · Replies 14 ·
Thermodynamics essay topics on entropy and the second law
- nossren
- · Replies 9 ·
Maximum velocity of a mass undergoing SHM
- KiNGGeexD
- · Replies 11 ·
Which would be faster: A ball rolling down a ramp with no groove
- limonade123
- · Replies 1 ·
Momentum Formula for Alpha Decay
- TheAustrian
- · Replies 7 ·
Reaction Forces on a Frame With Roller Joint and Pin Joint
- AliesAbawe
- · Replies 7 ·
How come water in a cup won't shoot out of a straw placed inside it?
- Mahkoe
- · Replies 4 ·
No. of possible electron transitions in hydrogen in magnetic field
- Newtonz
- · Replies 1 ·
How Do You Calculate the Input Power of a Series RLC Circuit?
- haha1234
- · Replies 1 ·
Ball thrown from 35m building at 30° lands 80m away
- ezsmith
- · Replies 6 ·
Spring amplitude when glued balls separate at lowest point
- byu
- · Replies 5 ·
Throwing a ball against a wall for projectile motion
- Psychros
- · Replies 3 ·
Why does dV/V equal ln(Vd/Va)?
- Donna14
- · Replies 2 ·
Internal and center of mass energies
- negation
- · Replies 12 ·
Firing cannons projectile motion
- Psychros
- · Replies 13 ·
Finding electric field of charges in a rectangle
- Dethrone
- · Replies 24 ·
How Do You Calculate A at Vo1 and Vo2 in OP-AMP Circuits?
- darwinharianto
- · Replies 6 ·
Finding Maximum Speed of Bottom Cylinder in a Cylinder-Wall System
- utkarshakash
- · Replies 17 ·
What is the Maximum Angle for a Crutch to Not Slip on the Ground?
- ----md
- · Replies 5 ·
Thermal Equilibrium With Insulated Liquid And Gas Containers
- mchahal22
- · Replies 3 ·
Solving for the Kinetic Energy of a Uniform Disk
- kenricktan
- · Replies 4 ·
Coefficient of kinetic friction forces
- yoyo16
- · Replies 3 ·
Jones matrix with phase factor e^(iπ/2) vs quarter wave plate
- richyw
- · Replies 1 ·
What is the Formula for Calculating Torque While Digging?
- ExoP
- · Replies 4 ·
Conducting rod is free to move over a loop under influence of B field?
- GodPlaysDice
- · Replies 1 ·
Finding normal force when an elevator accelerates
- yesgirl10
- · Replies 4 ·
Solid pivoted pendulum attached to a spring - oscillation period?
- goraemon
- · Replies 12 ·
A problem on rotational mechanics
- nikhilnagaraj
- · Replies 1 ·
How Do You Derive Euler's Equation of Motion for a Rigid Body?
- CAF123
- · Replies 30 ·
Does Galileo's argument against Aristotle contain a logical flaw?
- Amio
- · Replies 9 ·
Deriving radius from frequency for circular motion
- BLZ
- · Replies 6 ·
How Long Does It Take a Diver to Reach Maximum Height?
- jannx3
- · Replies 5 ·
Change in energy in orbiting satellite.
- Gianf
- · Replies 3 ·
Impulse-momentum with time-dependent force integral
- mpittma1
- · Replies 5 ·
Velocity of Separation in Special Relativity
- AGNuke
- · Replies 3 ·
Combined linear and rotational motion question
- Dtbennett
- · Replies 7 ·
Regarding Kittel's solid state physics 167 page
- benz994
- · Replies 3 ·
Moment of inertia of an ellipse
- Karol
- · Replies 6 ·