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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Angular Acceleration without Angular Speed.
- Awkwardness
- · Replies 6 ·
Calculating Slit Width from Diffraction Pattern
- Octoshark
- · Replies 4 ·
What is the Electric Field and Potential of a Non-Uniformly Charged Sphere?
- joemama69
- · Replies 10 ·
Calculate the strength of the magnetic and electric fields in this region?
- element41$
- · Replies 1 ·
Maximum Slit width diffraction minima
- Decelerate
- · Replies 9 ·
Calculate Radius of Wire in Air Wedge Formed by Glass Plates
- U262241
- · Replies 5 ·
How to Calculate the Average Molar Heat Capacity of NaCl at Low Temperatures?
- Je m'appelle
- · Replies 2 ·
Spinning ice skater (angular momentum)
- Cfem
- · Replies 4 ·
How do I calculate the normal force using vector components?
- gigaubunntu
- · Replies 5 ·
Where will the normal force on the block act if it tips?
- Bearbull24.5
- · Replies 2 ·
From Charge Density -> Electric Field(r) using Gauss
- zSanityz
- · Replies 9 ·
Horizontal Projectile Motion Speed
- Adam2987
- · Replies 19 ·
Vectors: Acceleration and Velocity
- cheerspens
- · Replies 1 ·
How Do You Calculate Cable Tensions in a Suspension Bridge with a Parked Truck?
- forcesand
- · Replies 1 ·
Rotational Inertia Hill Problem
- cnfsdstudent
- · Replies 1 ·
Estimating cost due to power (application of electric current)
- Theelectricchild
- · Replies 12 ·
How do medium and temperature affect sound wave frequency, wavelength and speed?
- UNknown 2010
- · Replies 1 ·
Rotational motion, Pulley system
- zames99
- · Replies 1 ·
What was the initial temperature of the copper?
- bigboss
- · Replies 4 ·
Heat loss through glass roof of greenhouse
- pinnacleprouk
- · Replies 4 ·
Calculating Vol of Helium to Lift 400kg Payload to 8000m
- Paymemoney
- · Replies 11 ·
Circular Motion 12th grade physics
- cnfsdstudent
- · Replies 2 ·
Finding frequency of rotating cylinder after torque applied for 15 seconds
- cnfsdstudent
- · Replies 2 ·
Calculating Tension in a 6-kg Bucket Being Pulled Up by a String
- 1man
- · Replies 4 ·
Finding the mass of an object with weight
- gorm
- · Replies 1 ·
Physics problem involving a gravitational change based on distance traveled.
- ejezisek
- · Replies 25 ·
Impulse and momentum change for bouncing ball with external gravity
- crafty2288
- · Replies 6 ·
Musical Frequencies Overtones, ratios
- tigerwoods99
- · Replies 6 ·
What are the systematic errors in measuring the speed of sound in air?
- roam
- · Replies 1 ·
Projectile motion, I cannot figure out how to do this
- deagle12
- · Replies 6 ·
Pressure and temperature changes adiabatically for an ideal gas?
- erik-the-red
- · Replies 5 ·
How much heat is required to convert ice into steam?
- theskyisgreen
- · Replies 1 ·
What are the energy transformations involved in Fax/Modem and Radio/Television?
- CustomPker
- · Replies 4 ·
Dynamics Question: Solving for Force in a Frictionless Ramp Scenario
- Faylight
- · Replies 3 ·
Force in kinetic energy/force in momentum =1
- Point Conception
- · Replies 2 ·
Induced EMF and a circular loop of wire
- anonymousphys
- · Replies 8 ·
Grade 11 Physics Problem About Work and Energy
- Felicity26
- · Replies 18 ·
Normal/Tangential magnetic flux density problem
- satchmo05
- · Replies 7 ·
Solving GPE of Satellite in Circular Orbit
- crafty2288
- · Replies 9 ·
Acceleration in an accelerated reference frame? Yes/no/maybe?
- bigdog989
- · Replies 4 ·
Simple Harmonic Motion - At which rate will a ball vibrate
- pat666
- · Replies 1 ·
How Do You Calculate the Speed of Transverse Waves in a Vibrating Wooden Bar?
- jmm5872
- · Replies 4 ·
What Is the Focal Length of a Flat Glass Lens?
- Mek8388
- · Replies 1 ·
Rotation of a Ridgid Body (two masses suspended from a pulley)
- Gotejjeken
- · Replies 4 ·
How Do You Calculate the Frequency of Vibration for a Mass on a Spring?
- DR1
- · Replies 21 ·
Vibrational frequencies of molecules
- Bearbull24.5
- · Replies 6 ·
What is the velocity of an electron in a benzene molecule?
- Anochaa
- · Replies 7 ·
Momentum and collisions for a fired projectile
- pat666
- · Replies 7 ·
Change in mechanical energy for Little Bird in elliptical orbit
- mybrohshi5
- · Replies 2 ·
Calculate the kinetic energy of the recoiling particle.
- Gavins
- · Replies 2 ·
Why You Can't Hear Doppler Effect in Car/Train Scenario
- crosbykins
- · Replies 1 ·
[Thermodynamics] Relative fractional error, Ideal-gas-scale, Celsius scale
- Je m'appelle
- · Replies 2 ·
Finding the Net Force in Two-Dimensional Motion
- mode656
- · Replies 4 ·
Fluid Dynamics: Pressure, Velocity & Pipe Radius
- morgs30
- · Replies 1 ·
Work and Kinetic Energy of baseball
- saraleigh117
- · Replies 3 ·
Special Relativity and Particle Decay
- TheTallOne
- · Replies 2 ·
How Does a Student Walking on a Cart Affect Its Velocity?
- LSCupcake
- · Replies 1 ·
Ball Launched from spring gun (max height)
- jti3066
- · Replies 4 ·
How can I find the current through R4 if the source voltage is known?
- Saladsamurai
- · Replies 22 ·
Magnetostatics: Proof for θi, μ1, μ2, and μ3
- satchmo05
- · Replies 1 ·
Speed of ball exiting a loop-de-loop with 0.0675 m radius
- riddledum
- · Replies 3 ·
Why does the goggle wearer see the coin at the same depth underwater?
- Makemesmart
- · Replies 1 ·
Thermal radiation transfer rate
- Hitman6267
- · Replies 14 ·
Angular Momentum (Ballistic Pendulum w/ mass)
- Cfem
- · Replies 2 ·
Calculating velocity in a slingshot
- skorned
- · Replies 2 ·
Thermodynamics heat transfer problem
- luysion
- · Replies 1 ·
Specific latent heat and heat capacity
- Punch
- · Replies 2 ·
Calculating Initial Speed for Successful Projectile Shot: Basketball Example
- Procrastinate
- · Replies 2 ·
Acceleration of an Electron in Earth's Magnetic Field
- chrisfnet
- · Replies 8 ·
How Does Lens Focal Length Affect Image Size?
- thurrucane
- · Replies 1 ·
Projectile Motion - Horizontal Component
- Procrastinate
- · Replies 3 ·
How Fast Does the Third Piece Move After the Bomb Explodes?
- mneox
- · Replies 1 ·
Calculating Relay Resistance for 12V Circuit
- Punch
- · Replies 2 ·
'double slit experiment problem'
- farhanshahid
- · Replies 2 ·
Need to clear confusion on a simple lense problem (solution is worked out )
- Arshad_Physic
- · Replies 2 ·
Calculating Oscillatory Motion Parameters for a Spring-Block System
- MissPenguins
- · Replies 12 ·
Where Can I Find Example Problems for Calculating Total Elapsed Time?
- Adam2987
- · Replies 3 ·
Solving Rotational Mechanics Homework: \theta, \alpha, Torque
- crybllrd
- · Replies 1 ·
Solving Momentum Transfer: 2 kg Steel Balls Colliding
- Procrastinate
- · Replies 1 ·
Radioactive Decay: Isotope A to B in 1 Hour
- Bachelier
- · Replies 2 ·
Pendulum rising to height h and resultant angle
- physicshelp98
- · Replies 2 ·
How to find kinetic energy of a particle as a function of time?
- wcwcaseman
- · Replies 5 ·
Force problem (whoever answers correct will be rewarded a cookie )
- lorik
- · Replies 1 ·
Finding X-ray wavelength and second-order Bragg angle with 0.26 nm spacing
- The_Fritz
- · Replies 1 ·
How Does Throwing a Parcel Affect the Speed of a Trolley?
- Procrastinate
- · Replies 1 ·
Entropy change in an isolated system
- indie452
- · Replies 1 ·
Why Does the Galvanometer Deflect When a Switch in a Coil Circuit is Operated?
- lha08
- · Replies 1 ·
Solving for Horsepower w/ Unfamiliar Equation
- kriegera
- · Replies 2 ·
Energy needed for car to travel-thermodynamics
- aal0315
- · Replies 4 ·
Moment of inertia calculation, factor of radius out?
- PhyStan7
- · Replies 6 ·
How Fast Can a Piston Move in Simple Harmonic Motion?
- Bearbull24.5
- · Replies 12 ·
How Do You Calculate the Spring Constant for a Car's Shock Absorbers?
- Bearbull24.5
- · Replies 5 ·
Magnetic Force on Electron near Long Wire
- lha08
- · Replies 1 ·
Velocity for Spring Constant with Amplitude
- MissPenguins
- · Replies 24 ·
Confirm my answers on Oscillating Springs?
- vtmvick7
- · Replies 2 ·
Why does viscosity change with temperature?
- Macca604
- · Replies 10 ·
Acceleration of an object rollling down a incline.
- jwu
- · Replies 1 ·
Solve Ballistic Pendulum Homework: Conservation of Energy & Momentum
- Cfem
- · Replies 3 ·
The non-relativistic behavior of particles
- FRANCLI
- · Replies 4 ·