Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Find the electric field at the point given
- xxabr
- · Replies 3 ·
Plane velocity needed for 640m/s ground speed with wind at 150m/s
- nagaromo
- · Replies 1 ·
Asteroid Hits Earth Conservation of angular momentum
- FahimP
- · Replies 2 ·
Choosing house paint color for summer and winter heat control
- anna sung
- · Replies 2 ·
How do i Rearranging Equations/formula?
- aquann
- · Replies 1 ·
Amplitude and period harmonic motion
- pb23me
- · Replies 5 ·
Calculating Work Done: 25lb Force at 60 Degrees on Object - Find Distance Moved
- jcamaross
- · Replies 3 ·
What is the Work Required to Raise a Chain to a Given Height?
- Sidthewall
- · Replies 1 ·
What is the Polarization of These Waves?
- fluidistic
- · Replies 8 ·
Change of gravitational potential energy
- jcamaross
- · Replies 3 ·
Circus attraction - How far does this sled move up an incline
- lewie
- · Replies 2 ·
Circular accelaration with increasing velocity?
- Denken
- · Replies 3 ·
Calculating amount of revolutions
- smpolisetti
- · Replies 9 ·
How Does a Spring Constant Affect Circular Motion on a Frictionless Table?
- acg7160
- · Replies 4 ·
Simple Harmonic Motion Acceleration Calculation and Equations
- Winegar12
- · Replies 3 ·
Total energy oscillation problem
- vande060
- · Replies 1 ·
Gravitational force ratio between proton and electron
- Willian93
- · Replies 1 ·
Is There a Conservation Equation for Spring Forces and Potential Energy?
- pb23me
- · Replies 6 ·
How to find mu without the force of friction
- Chrismacs
- · Replies 1 ·
Maximum ramp angle for 30 kg grocery cart with 20 N push force
- AfroQueen
- · Replies 7 ·
Solve Final Speed of Ice Sliding Down Slope
- hyemal.zephyr
- · Replies 4 ·
Moment of Inertia,not hw problems, but trying to understand the concept better.
- sowmit
- · Replies 1 ·
How Do You Calculate the Rotational Inertia of a Wheel?
- nicolec08
- · Replies 3 ·
Question on Law conservation of Mechanical Energy
- LiveEz
- · Replies 3 ·
Pushing a 2kg brick on ceiling with friction
- MatthewBann
- · Replies 1 ·
Magnetic force on moving charges and current-carrying wires
- sachemeast
- · Replies 5 ·
Effect of magnetic field on pair production
- aurao2003
- · Replies 9 ·
Are my calculations right? Also, not sure about a formula?
- kLPantera
- · Replies 17 ·
Impulse delivered to a sphere: Rotation motion (momentum) question
- boaty
- · Replies 1 ·
The gravitational force between and around 2 objects
- robert80
- · Replies 2 ·
It is asking for the magnitude and direction of the electric field strength
- happyknife
- · Replies 5 ·
Calculating the current supplied by a battery
- Bugsy23
- · Replies 1 ·
Entropy change of a bullet hitting water
- KaiserBrandon
- · Replies 2 ·
Confusion with Resistance and Current
- AsksQuestions
- · Replies 2 ·
Does removing gravity from a=((Vrk)/(1-kt))-g give the acceleration in free space?
- mopar969
- · Replies 6 ·
Graph Of An Inelastic Collision[ Distance vs. Time]
- asz304
- · Replies 2 ·
How would daily life change if the speed of light was lowered to 20m/s?
- Jlinc
- · Replies 2 ·
What is the Range of a Soccer Player's Kick at 20m/s and 15° Angle?
- yellow_angel
- · Replies 8 ·
Rocket on a Spring: Solving for Speed and Compression
- wulfsdad
- · Replies 8 ·
What is the purpose of connecting a resistor in the circuit?
- thereddevils
- · Replies 2 ·
Solve Heat Problem: Estimate Altitude, Rate of Heat Transfer
- tweety1234
- · Replies 1 ·
Finding water height from tank hole using Bernoulli's equation
- noagname
- · Replies 4 ·
How Does Adding Mass Affect Normal Force?
- mystmyst
- · Replies 2 ·
Locate the Centriod of a Line Problem
- smashbrohamme
- · Replies 5 ·
Finding the potential energy function( I don't know how the answer came to be)
- Raziel2701
- · Replies 1 ·
Moment of Inertia - equilateral triangle
- zwingtip
- · Replies 8 ·
Solving for F_T, F_N, and alpha
- Haru Yo Koi
- · Replies 1 ·
What Is the Correct Calculation for the Width of the Central Blue Light Fringe?
- aurao2003
- · Replies 1 ·
ODE for Water traveling up a paper towel
- RagincajunLA
- · Replies 12 ·
Calculating Angular Acceleration and Velocity for a Rotating Disk
- DrummingAtom
- · Replies 4 ·
What is the Torque Problem in Muscle Mechanics?
- Noctix
- · Replies 4 ·
Ammunition box dropped from plane: finding height, velocity and distance
- homevolend
- · Replies 2 ·
How Can You Calculate the Magnitude of Vector A Using Dot Product Rules?
- rambo5330
- · Replies 3 ·
Calculating Uncertainties with linear combinations
- Mike_1
- · Replies 8 ·
How Do Rotating Reference Frames Affect Forces on a Merry-Go-Round?
- jimmy.dude
- · Replies 3 ·
Questions Regarding Circuits and Electricity
- AnomalyCoder
- · Replies 1 ·
Finding time of a collision using impulse and conservation of momentum
- Kaon
- · Replies 2 ·
Solve Flow Rate Problem: 9 kW Shower
- tweety1234
- · Replies 5 ·
What is the acceleration of the box?
- nesan
- · Replies 23 ·
Solving Energy Questions: Force, Gravity, Kinetic Energy
- kfink85
- · Replies 3 ·
How Do You Calculate the Speed of a Satellite in Orbit?
- Neek 007
- · Replies 1 ·
Find the energy given from a lightbulb
- AnomalyCoder
- · Replies 2 ·
Calculating Impulse: Tennis Ball Rebound at 45 Degrees | Homework Help
- runningirl
- · Replies 3 ·
How Does an Asteroid Impact Affect Earth's Angular Speed?
- FahimP
- · Replies 3 ·
Equation of Motion: Calculating Braking Distance on a Straight Road
- nasadall
- · Replies 1 ·
Angular momentum of particle in xy plane
- barz1
- · Replies 2 ·
Common derived units of the physical quantities
- nasadall
- · Replies 18 ·
Explain the term permittivity and how this affects force
- skanecfc
- · Replies 2 ·
Calculating Maximum Torque on Rotating Square
- physics_10
- · Replies 1 ·
How Do You Determine the Direction of Torque?
- tatiana
- · Replies 3 ·
Why Are Parts B-D of My Torque Calculations Incorrect?
- VitaX
- · Replies 1 ·
Do momentum and position commute with potential and Hamiltonian?
- bon
- · Replies 2 ·
Calculating X-Radiation Equivalent to 20mR/h
- nonphysical
- · Replies 6 ·
How is kinetic energy and momentum conserved in an internal explosion?
- pb23me
- · Replies 14 ·
The distance from the top of a block floating in the water to water
- PoPrOcKsRoCk
- · Replies 5 ·
What happens with the resistance of a wire with twice the diameter
- koat
- · Replies 11 ·
Free body diagram for mass on oscillating spring
- physics20
- · Replies 5 ·
Work-Energy: Find the angle of the inclined plane
- epr2008
- · Replies 1 ·
What is the magnitude of the force in this vector and forces problem?
- jsmith613
- · Replies 6 ·
Surface Area of Satellite Signal transmission on Earth
- ron_jay
- · Replies 13 ·
How Does Doubling Earth's Orbital Radius Affect Its Surface Temperature?
- chris_0101
- · Replies 5 ·
How Do I Calculate Kinetic Friction and Acceleration in These Physics Problems?
- xxxixpats
- · Replies 2 ·
How far above the earth's surface is the satellite orbit?
- Julie323
- · Replies 3 ·
Cyclotron with 1500 V between the two dees
- gsquare567
- · Replies 3 ·
Reversible adiabatic expansion of ideal gas, entropy change?
- krhisjun
- · Replies 4 ·
Melting ice block on an inclined plane?
- NotANumber
- · Replies 1 ·
Finding Mistake: Calculate Coefficient of Kinetic Friction for Sliding Mass
- bentael
- · Replies 2 ·
Help with magnetic forces problem Is my solution correct?
- astronut555
- · Replies 1 ·
Finding total resistance in a circuit with parallel resistors
- foode
- · Replies 1 ·
How do I calculate total capacitance with series and parallel capacitors?
- foode
- · Replies 2 ·
Reverse Carnot Engine (Heat Pump)
- mrmonkah
- · Replies 1 ·
Oscillation of a spring and mass on an asteroid
- bobred
- · Replies 2 ·
The magnitude of terminal potential difference?
- physics369
- · Replies 1 ·
Variable conditions of double slit interference
- aurao2003
- · Replies 1 ·
Friction problem involving spool
- issacnewton
- · Replies 12 ·
Need help with Physics? Check out these common questions!
- bl4cksta
- · Replies 1 ·
Solving for velocity from relativistic momentum
- chris_0101
- · Replies 1 ·
I can solve that the problem about motion in one dimention
- bl4cksta
- · Replies 5 ·
Can't the trick (finding final temperature)
- nabilsaleh
- · Replies 1 ·
Solving for velocity from kinetic energy and rest energy
- chris_0101
- · Replies 2 ·