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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Is E constant in simple Gaussian diagram?
- ZedCar
- · Replies 4 ·
Magnetic field of 2 infinite wires.
- dikmikkel
- · Replies 1 ·
Total energy, maximum speed, and velocity of mass on spring
- jlin94
- · Replies 1 ·
Finding forces on bolted platform (torques/forces)
- austindubose
- · Replies 4 ·
Angle between position vectors equals angle between velocity vectors in circular motion
- burtonjib
- · Replies 5 ·
Tension in springs (I don't know where 2 start)
- ElectroNewby
- · Replies 1 ·
What is the Relationship Between Electron Energy and Acceleration Voltage?
- Oshada
- · Replies 8 ·
Calculate Larmor Freq. for Electron in n=2 of Hydrogen Atom
- fluidistic
- · Replies 3 ·
Acceleration in 2 Dimensions-Vectors and Projectiles
- Snape1830
- · Replies 3 ·
Can kinetic energy and potential energy both increase?
- thepegmeister
- · Replies 2 ·
Positive vs. negative work in an elevator?
- thepegmeister
- · Replies 3 ·
Elastic and Inelastic collisions assignement problems. 1st year physics
- torth76
- · Replies 1 ·
What is the Rate of Work Done by a Spring on a Sliding Object?
- tebes
- · Replies 9 ·
Can the Total Energy in a Spring Be Rearranged?
- JustinLiang
- · Replies 1 ·
Disc with pin at edge released horizontally, moment of inertia about pivot
- Aralox
- · Replies 7 ·
Bernoulli's Equation: Finding the net force of wind blowing over a house
- blueorchid
- · Replies 1 ·
Binary Star System: Kinetic Energy of an approaching Comet
- LinearBeat
- · Replies 3 ·
Bumper car elastic collision and center of mass frame
- kiki_havoc
- · Replies 4 ·
Calculating Work Done by Spring at Various Positions
- tebes
- · Replies 2 ·
Conservation Laws - Finding angle ?
- nukeman
- · Replies 5 ·
How Long Should a Gravel Ramp Be to Stop a Runaway Truck?
- LinearBeat
- · Replies 2 ·
How Long for One Revolution on a Ferris Wheel?
- phoenix133231
- · Replies 6 ·
Water falling out of an upturned bottle.
- rollcast
- · Replies 2 ·
How Do You Calculate the Moment of Inertia for a Disk Rotating About Its Edge?
- deezy
- · Replies 1 ·
Three polarizers are arranged as shown in the figure
- MozAngeles
- · Replies 1 ·
Ideal gas expansion/compression
- format1998
- · Replies 2 ·
How Is the Radial Component of an Electric Field Proven to Cancel Out in a Ring?
- rick_2009
- · Replies 2 ·
Is this nuclear reaction exothermic or endothermic?
- dav1d
- · Replies 2 ·
Nuclear Physics Find molar binding energy
- dav1d
- · Replies 2 ·
Caculate the force between to anti-parallel wires
- LBP
- · Replies 3 ·
How Thick Should Spiderman's Silk Be to Support His Weight?
- mattyc33
- · Replies 2 ·
What is the solution to this transformer problem?
- VitaX
- · Replies 4 ·
How to Calculate Distance on an Inclined Plane Using Work and Energy?
- uhohphysics
- · Replies 1 ·
Centrifugal acceleration - radians^2?
- EinsteinKillr
- · Replies 4 ·
Diffraction grating spectrometer
- grouper
- · Replies 9 ·
2D - Momentum Question, Grade 12 Canadian Physics
- ccvispartan
- · Replies 3 ·
Double-slit diffraction with thin film interference
- grouper
- · Replies 5 ·
Box on a string, find displacement when first at rest
- lindzzz
- · Replies 3 ·
Laser action and stimulated emission
- logearav
- · Replies 6 ·
Calculate Unbalanced Force to Stop a Car in 3 Seconds
- zoezoehzoe
- · Replies 4 ·
Counterbalance weight for a dumbbell support apparatus
- Fluxite
- · Replies 1 ·
Force due to a submersible water pump to move an underwater vehicle
- DrewMan776
- · Replies 1 ·
Maximum mass supported by spider silk using toughness
- mattyc33
- · Replies 1 ·
Solving for normalised current when given only normalised resistance?
- davidc95
- · Replies 11 ·
Accceleration due to gravity of a Black Hole
- Zyxer22
- · Replies 2 ·
Box pulled by angled rope: equilibrium, friction, and acceleration
- shinnsohai
- · Replies 2 ·
What Minimum Wetness of Steam Ensures Buoyancy in a Balloon Experiment?
- Phrak
- · Replies 7 ·
Negative/positive magnetic field?
- 2h2o
- · Replies 4 ·
Why doesn't angular acceleration times time give revolutions for a slowing fan?
- valeriex0x
- · Replies 7 ·
Are You an Inertial Observer on a Constantly Moving Turntable?
- Jadenag
- · Replies 1 ·
Mass of cylinder with falling stone wrapped around rim
- valeriex0x
- · Replies 2 ·
What Are the Individual Masses of Silver and Gold Used to Convert Ice to Steam?
- horcruxes
- · Replies 2 ·
How Much Heat is Needed to Vaporize Ethyl Alcohol from -50°C to Boiling Point?
- format1998
- · Replies 3 ·
How Thick Should Spider Silk Be to Hold Spiderman?
- mattyc33
- · Replies 3 ·
Speed of Objects Rolling and Sliding Down a Hill
- valeriex0x
- · Replies 6 ·
Rocket launches up starting from zero, conservation momentum
- ex81
- · Replies 5 ·
Deriving the Minimum Tension for a Particle on an Inclined Plane
- Jadenag
- · Replies 4 ·
Root-mean-square speed of an O2 gas
- format1998
- · Replies 4 ·
What Is the Centripetal Acceleration and Tension in a Swinging Bucket?
- roarono
- · Replies 3 ·
How Is the Refractive Index of Liquid A Determined?
- dalcde
- · Replies 8 ·
Two rotating disks, angular speed and kinetic energy question.
- rover_dude
- · Replies 15 ·
Racecar Statics and Mechanics of Solids problem
- hks118
- · Replies 2 ·
How Much Gas Leaked from the Tank?
- format1998
- · Replies 5 ·
What Is the Final Vertical Velocity Component of the Ball?
- scbeturner
- · Replies 25 ·
How to Determine the Magnetic Field in a Hanging Rod Problem
- Heath90
- · Replies 8 ·
Electric field between electrodes of half-filled spherical capacitor
- sodaboy7
- · Replies 1 ·
Block Tipping Over [Torque and Forces]
- fobbz
- · Replies 1 ·
We did a lab in class to compare W and KE
- apaxapax
- · Replies 4 ·
Final Kinetic Energy and speed of three projectiles fired from a building's roof
- matthew_phys
- · Replies 3 ·
What is the acceleration of the garden roller given certain parameters?
- PhDorBust
- · Replies 1 ·
Finding crystal plane spacing with Bragg's law
- roam
- · Replies 3 ·
* *Damped Harmonic Motion (Differential Equations)
- acedeno
- · Replies 1 ·
Deriving an equation through a free body diagram
- xgdoyo
- · Replies 1 ·
How Old is the Rock with a 3:1 Ratio of 207Pb to 235U?
- roam
- · Replies 2 ·
Force on a roof from tornado wind using Bernoulli's equation
- adlibitum
- · Replies 1 ·
Kinematics questions: Understanding Time and Displacement Relationships
- Vhsmith37
- · Replies 5 ·
Find initial velocity using rate of climb
- Rebecca_M
- · Replies 3 ·
Simple Harmonic Motion of spring
- hotspurslover
- · Replies 1 ·
Angular momentum problem (ball sticking to one end of a see saw)
- Storm Butler
- · Replies 1 ·
Electric field at midpoint between electron and proton
- Keegs32
- · Replies 4 ·
Understanding Direction Vectors in Vector Geometry
- kougou
- · Replies 1 ·
What Is the Acceleration of a Mass in Simple Harmonic Motion?
- physgrl
- · Replies 4 ·
Kinematics problems with constant acceleration
- gabez
- · Replies 2 ·
Maximum height of baseball, given total flight time.
- JP123
- · Replies 3 ·
4 home work problems over projectile motion
- man on fire
- · Replies 6 ·
Damping constant and angular frequency
- bacon
- · Replies 1 ·
Minimum Coefficient of Friction calculation using Centripetal force
- swag
- · Replies 3 ·
Cannon Recoil and Initial Velocity
- Koi9
- · Replies 7 ·
Velocity and Speed: Diagrams for Rowing Downstream and Southeastward
- C42711
- · Replies 1 ·
What is the missing angle using Law of Cosines?
- C42711
- · Replies 1 ·
Rotational Kinematics Time Problem
- whoopie88
- · Replies 1 ·
How Can I Design a Vehicle to Win a King of the Hill Engineering Challenge?
- JJBladester
- · Replies 7 ·
Falling particle with quadratic air resistance
- Vandella
- · Replies 25 ·
Conservation of energy and string pulley problem
- gunster
- · Replies 2 ·
Conceptual question on Simple Harmonic Motion.
- JustinLiang
- · Replies 1 ·
Designing a TM for a Language: ai bj ck
- yorkhuman
- · Replies 1 ·
Not calc based tangential and angular acceleration
- darlagatsch
- · Replies 3 ·
Coeficient of Kinectic friction question
- Shanetm
- · Replies 11 ·
Electrical Power - Equation Questions:
- I-need-help
- · Replies 6 ·