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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Electric Flux through Cylindrical Surface
- dcco
- · Replies 2 ·
Where and when does the car catch the truck?
- adoule
- · Replies 7 ·
Relativity Problem: Sweep Laser for v > c on Moon's Surface
- VitaX
- · Replies 1 ·
Ideal Gases equilibrium question
- Sky.Anthony
- · Replies 2 ·
The electric field due to a point charge
- Jay9313
- · Replies 14 ·
Solve Integer Sequence: 1955th Place = 4?
- Wildcat
- · Replies 10 ·
Propagation error in finding the perimeter and area, .
- megkirch
- · Replies 1 ·
Polar Coordinate Tracking problem
- AirForceOne
- · Replies 7 ·
Conservation of linear momentum and kinetic energy
- knowNothing23
- · Replies 7 ·
Gravity at an arbitrary location near a disc
- bumpkin
- · Replies 4 ·
Magnitude of the average acceleration
- swan777
- · Replies 2 ·
How Do You Calculate the Power of a Water Pump?
- furor celtica
- · Replies 1 ·
Spring theory, when can this happen? If ever
- flyingpig
- · Replies 5 ·
Finding the Optimal Radius for Keeping a Body on a Spinning Carousel
- dannee
- · Replies 3 ·
Position of a particle given an equation for acceleration
- CaYn
- · Replies 5 ·
Question involving trigonometry & river currents
- kiraahhh
- · Replies 9 ·
Calculating Electric Field of Insulating Sphere
- Cornfused
- · Replies 1 ·
Collision Between Two Balls on Strings
- Megzzy
- · Replies 7 ·
Calculating if a projectile from Mars will impact Earth.
- arianabedi
- · Replies 1 ·
Why a spring-mass assembly is a SHM?
- jaumzaum
- · Replies 5 ·
Calculate Max Wavelength of Sound Emitted by Loudspeakers
- Peter G.
- · Replies 2 ·
Different initial vertical velocities on different planets
- gbean
- · Replies 1 ·
Three Vectors - Resultant vector magnitude?
- KendrickLamar
- · Replies 5 ·
Why Did My Projectile Motion Calculation Yield the Incorrect Height?
- waters
- · Replies 5 ·
Solve Baseball Pitcher NR's Pitch Time to Home Plate
- lalahelp
- · Replies 1 ·
Calculating Velocity and Acceleration for a Particle Moving Along the x-Axis
- waters
- · Replies 14 ·
Solve Influenza A Virus Problem: 1368350 Viruses
- lalahelp
- · Replies 8 ·
What is the Angular Frequency of Two Masses on a Spring?
- americanforest
- · Replies 4 ·
What is the Correct Value of q/Q for 1/5 the Maximum Electrostatic Force?
- eurekameh
- · Replies 5 ·
How Does Wavefront Orientation Change When Light Enters a Slower Medium?
- Peter G.
- · Replies 12 ·
Electron traveling parallel to a Uniform Electric Field
- format1998
- · Replies 2 ·
The influenza A virus is a spherical virus
- lalahelp
- · Replies 2 ·
How Small Can the Iceberg Get Before the Polar Bear Gets Wet Feet?
- CR9
- · Replies 3 ·
Where is the point charge located and what is its charge in this electric field?
- ajmCane22
- · Replies 1 ·
Electric force, tension, charge
- ajmCane22
- · Replies 2 ·
Find the value of the z component of the total electric field
- blueyellow
- · Replies 7 ·
Rolling and sliding sphere on flat surface
- versatilehong
- · Replies 1 ·
Calculate the y component of the electric field at a generic point(x,y)
- blueyellow
- · Replies 2 ·
Calculating Horizontal Force for 3 Boxes on Frictionless Surface
- [KNIGHT]
- · Replies 17 ·
Solving Kinematics Questions with 5 Variables
- MattJ81
- · Replies 9 ·
What is the Correct Way to Calculate Torque in a Uniform Boom System?
- Jimmy84
- · Replies 4 ·
How Do You Find the Gravitational Field at a Corner of a Square?
- Stuffy01
- · Replies 8 ·
Non-linear Oscillator: Understanding Bound Motion through Conservation of Energy
- Adorno
- · Replies 2 ·
Find Kmax with given numerical quantities
- xpaulinabearx
- · Replies 4 ·
Charge in Metals (Supposed to be easy)
- alfredo24pr
- · Replies 3 ·
Phase space trajectory question
- Grand
- · Replies 1 ·
Solving Hall-Petch Equation Homework
- TyErd
- · Replies 3 ·
Calculate the total energy stored in the capacitor as a function of x
- blueyellow
- · Replies 11 ·
Density and Uncertainty of a Block?
- Wa1337
- · Replies 1 ·
Airplane flying in a crosswind problem
- CaYn
- · Replies 1 ·
Magnitude/direction of point charges
- ajmCane22
- · Replies 1 ·
How to Find Vertical Displacement Between Two Jumping Basketball Players?
- CaYn
- · Replies 3 ·
Panpipes - confused with the physic principles
- changedname
- · Replies 1 ·
Converting km/hr to m/s^2: What is the Formula?
- ATranPV
- · Replies 7 ·
Finding the magnitude of an electric field.
- atn9200
- · Replies 1 ·
Point charges in an electromagnetic field
- nmendoza37
- · Replies 1 ·
Why Does a Green Glass Plate Absorb Everything Except Green?
- logearav
- · Replies 2 ·
What Are the Units of Constants A and B in the Equation x=At+Bt²?
- tavo0116
- · Replies 3 ·
Mobile Phone Radiation and Brain Tumors: Investigating the Link
- chan teckming
- · Replies 1 ·
Centripetal Force through Turns
- RiskX
- · Replies 3 ·
Using Gauss' theorem ande exploiting the cylindrical symmetry of the system, show
- blueyellow
- · Replies 3 ·
Calculate the total impedance of the circuit
- blueyellow
- · Replies 9 ·
Finding amount of graphite in a Pencil
- Manty
- · Replies 5 ·
An amusement park ride question, picture included
- wmrunner24
- · Replies 11 ·
Maxwell's equations using vectors D and H
- blueyellow
- · Replies 2 ·
Questions about Young's Double-Slit experiment and light waves intereference
- insertnamehere
- · Replies 8 ·
What Is the Minimum Launch Angle to Hit a Target 200ft Away?
- AirForceOne
- · Replies 8 ·
Bouncing Ball Graph/Quadratic Formula
- Megzzy
- · Replies 5 ·
Finding the displacement under a curve.
- kimberley511
- · Replies 3 ·
A very weird capacitor association
- jaumzaum
- · Replies 1 ·
Area of a Gold Leaf? | Calculate with Density
- bosburn93
- · Replies 3 ·
Capacitor current in function of time
- jaumzaum
- · Replies 2 ·
Momentum Principle. Please help (due in 1 hour 30 minutes)
- Clutch
- · Replies 1 ·
Electric field of a charged ring.
- NeverSummer
- · Replies 2 ·
Finding force needed to neutralize a vector
- devrimorgan
- · Replies 1 ·
Calculating Average Speed and Velocity for a Commuting Student
- ashtaylor89
- · Replies 2 ·
Finding g on unknown planet given only total time and a random height
- tswvyimlis
- · Replies 3 ·
Projectile motion of a fired gun
- 1MileCrash
- · Replies 13 ·
Diff. Eq. related to SHM question
- astropi
- · Replies 6 ·
What is the Apparent Weight in an Accelerating Elevator?
- Zach Knight
- · Replies 2 ·
Finding the initial velocity, .
- megkirch
- · Replies 15 ·
Solving for Time and Velocity with Only Three Variables
- pianoguy1088
- · Replies 2 ·
Electrostatic force and magnitude problem
- loganblacke
- · Replies 3 ·
Constant Velocity should = Acceleration of 0m/s^2 right?
- litzkrieg
- · Replies 4 ·
Calculating Centripetal Force for Particle in Circular Motion
- buttontugger
- · Replies 1 ·
How is tangential accleration zero in uniform circular motion?
- pcsx22
- · Replies 5 ·
What forces keeps electrons from falling into nuclei?
- treehouse
- · Replies 14 ·
How to Derive Lorentz Transformations?
- Kyoma
- · Replies 1 ·
Magnitude and angles of a force
- IHave
- · Replies 3 ·
Projectile with different landing heights
- bionut
- · Replies 7 ·
Calculate Initial Speed Driving on a Crowded Freeway
- Robb380
- · Replies 7 ·
"Calculating Stress-Strain Graph Homework
- TyErd
- · Replies 7 ·
Average Velocity of a Runner in 1500m Race
- bionut
- · Replies 12 ·
Why Do Thermometers Show the Same Reading in Ethanol and Water?
- BudsPro+
- · Replies 5 ·
Q Value for spontaneous fission and neutron induced fission
- bmarson123
- · Replies 1 ·
Finding the Upward Velocity of a Long Jumper's Flight Phase
- bionut
- · Replies 8 ·
BO: Calculating Initial Velocity of a Projectile with Horizontal Launch
- gheelengooi
- · Replies 6 ·
I have no intuition. Momentum problem
- flyingpig
- · Replies 10 ·
Help! Find the Magnitude of a Displacement Vector
- DavidAp
- · Replies 2 ·
Calculating Velocity Components and Angle between Cars at an Intersection
- Gold3nlily
- · Replies 3 ·