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 potential difference question
- jaejoon89
- · Replies 1 ·
How Fast Can You Drive Without Hitting the Deer?
- Jennifer001
- · Replies 1 ·
Finding the weight of a 5.24 kg rock on Planet X
- tater08
- · Replies 3 ·
Converting tensile strength to maximum tension in Newtons
- crimsonn
- · Replies 18 ·
What does a best fit line mean?
- papi
- · Replies 3 ·
Finding tension and acceleration in a two-block system with friction
- shadowofanub
- · Replies 3 ·
Velocity vs time graph to distance vs time graph
- james_
- · Replies 8 ·
Calculating Height of Ball Thrown at 30 Degrees
- -EquinoX-
- · Replies 7 ·
Electric energy stored in dipole
- mbmcgee
- · Replies 1 ·
Calculating Young's Modulus for Iron Wire Experiment
- rit
- · Replies 3 ·
How Does a Parallel Plate Capacitor with Different Dielectrics Calculate Keq?
- Kathi201
- · Replies 1 ·
What is the Maximum Tension Force for a Block on an Inclined Surface?
- Chrisleo13
- · Replies 2 ·
Finding the launch angle for a marble to land at a target distance
- lax1113
- · Replies 1 ·
Finding distance using force, acceleration, time
- xmflea
- · Replies 3 ·
Surface Charge Density and electron
- grouchy
- · Replies 2 ·
VT graph for a parachute jump with constant acceleration and deceleration
- GCSEsoon
- · Replies 3 ·
Time for boat to make two sets of displacements
- Maiia
- · Replies 3 ·
How can I transform a parabolic or hyperbolic graph into a linear one?
- meeklobraca
- · Replies 1 ·
Young's modulus of a copper wire
- pizza1512
- · Replies 2 ·
Calculus: Given parabola and vx in terms of x and c, prove constant velocity
- derelictee
- · Replies 1 ·
Simple Circuit with Resistors and Two Batteries
- hydr
- · Replies 7 ·
Calculating Neutrino Passage in a Supernova Explosion
- Khlaar
- · Replies 8 ·
Terminal Speed and Height of Object
- Husker70
- · Replies 9 ·
Electron beam path with perpendicular magnetic fields of 0.1mT and 1.0mT
- strawberrysk8
- · Replies 1 ·
Simple Harmonic Motion Differential Equation
- Matuku
- · Replies 6 ·
Solving Machine Problem 1: Frictionless Steel Shuttle
- amrit2
- · Replies 3 ·
Friction needed so car does not spin out? how do you do this?
- nfg5
- · Replies 1 ·
How can I determine the vertical distance the ball clears the wall?
- -EquinoX-
- · Replies 1 ·
2 trains colliding, where am I wrong?
- mridkash
- · Replies 3 ·
How Do You Calculate Displacement from a Velocity-Time Graph?
- kmiller
- · Replies 4 ·
What is the speed of the boat after time 2.00 hr has passed?
- mit_hacker
- · Replies 2 ·
How Does a Double-Pulley Modified Atwood Machine Work?
- lmlgrey
- · Replies 1 ·
Minimum length of the mirror required for a man to see the wall behind him?
- Lakshya
- · Replies 5 ·
Rocket launches with constant acceleration; bolt falls off at 4 seconds
- mjolnir80
- · Replies 8 ·
Atomic Structure: Impact of 663nm Photon on Excited Hydrogen Atom
- apunisheriii
- · Replies 4 ·
Linearizing tunnel diode equation
- rjspurling
- · Replies 2 ·
Ball thrown from moving train rises vertically to observer on ground
- artfuldodger2
- · Replies 3 ·
Mass is suspended and swung around, find angle?
- nfg5
- · Replies 1 ·
Equivalent resistors/capacitors etc. tricky problem
- bobthebanana
- · Replies 1 ·
Muon Decay at t=2.2x10^-6s in Frame s': Coordinates and Time
- s7b
- · Replies 1 ·
Tell me the fourmla for displacement
- killer22
- · Replies 3 ·
Momentum Loss in Space Shuttle on Re-Entry to Earth
- possum30540
- · Replies 2 ·
Wavefunctions and probability-Proof
- quantumech
- · Replies 2 ·
Finding centripetal acceleration
- pinkerpikachu
- · Replies 6 ·
Ionic Potentials across Cell Membranes
- mtbgymnast
- · Replies 1 ·
Kinematic equations and their applications
- fishingspree2
- · Replies 2 ·
Is there more to consider when determining if velocity is constant from data?
- Robershky
- · Replies 6 ·
How Close Does Halley's Comet Get to the Sun?
- pinkerpikachu
- · Replies 3 ·
Two masses connected by string with applied force and friction
- nfg5
- · Replies 2 ·
Hi I with a displacement type problem
- Haniszmi
- · Replies 1 ·
What is Maddie's final velocity after accelerating for 10 seconds?
- swede5670
- · Replies 5 ·
Finding pulley diameter for belt drive at different speeds
- yoleven
- · Replies 4 ·
How Do You Calculate Average Frictional Force?
- losthelp
- · Replies 4 ·
Rock climber elastic rope problem
- hewhoeatspie
- · Replies 1 ·
Rolling Friction and Bicycle Tires
- pureouchies4717
- · Replies 12 ·
Coefficient of friction for a 100 kg box starting to slide at 15 degrees
- Mon0308
- · Replies 1 ·
Laws of motion magnitude of average acceleration
- maxiJ
- · Replies 7 ·
What is the upward acceleration of M2 in this system with given forces and mass?
- ganondorf29
- · Replies 1 ·
Frictionless Pulley: m1 = M2 * a/g Steel Ball Bearing: d = v*t + (1/2)*a*t^2
- shimizua
- · Replies 1 ·
Circuit with a parallel plate capacitor
- strawberrysk8
- · Replies 6 ·
What Happens to KE of a Projectile When It Hits the Ground?
- jenm1390
- · Replies 1 ·
Moon Gravitational Force Problem
- fewill
- · Replies 5 ·
One-Dimensional Motion Word Problem
- bap902
- · Replies 1 ·
Separation between equipotential surfaces near an infinite charged plane
- ibaraku
- · Replies 1 ·
What Is the Maximum Angle a Pendulum Swings When a Car Stops Suddenly?
- meeklobraca
- · Replies 12 ·
What motion occurs when a velocity-time graph has zero slope or nonzero slope?
- BeckyStar678
- · Replies 3 ·
Finding time to terminal speed using dimensional analysis
- Jstew
- · Replies 2 ·
How Does Package Dropping Dynamics Work for Airborne Deliveries?
- 05holtel
- · Replies 8 ·
Drag forces on someone diving into a pool
- Serik
- · Replies 2 ·
Finding acceleration and time in force problems
- a18c18
- · Replies 8 ·
Relative velocity of rain to car
- Maiia
- · Replies 2 ·
What Coefficient of Friction Is Required for a Car on a Banked Curve?
- hofluff87
- · Replies 4 ·
Two blocks and a pulley, friction
- nbaumann
- · Replies 2 ·
Conservation of Energy initial velocity
- vesperaka
- · Replies 4 ·
Solving the Time for a Ball Thrown Vertically Upward
- Thiendrah
- · Replies 4 ·
How do I find the time a body needs to attain a velocity?
- Akane55
- · Replies 1 ·
Lift equation as a function of area, density and velocity
- FutureFighter
- · Replies 1 ·
Fireworks rocket breaks into two equal pieces at 30° and 60°
- kbeyer
- · Replies 1 ·
Distance up an incline question
- meeklobraca
- · Replies 16 ·
Finding loop current with time-varying magnetic field B_z=at²-b
- Lance WIlliam
- · Replies 1 ·
Block on a moving inclined plane
- M4573R
- · Replies 9 ·
Frictionless sphere, falling particle
- professor
- · Replies 2 ·
Properties of Friction H.W Problem
- afcwestwarrior
- · Replies 6 ·
Find Contact Force Between Two Blocks: M1=1.75kg, M2-3.38kg, F=6.10N
- shimizua
- · Replies 3 ·
Solving a Voltage Problem - Q, E Field, E Potential
- bodensee9
- · Replies 1 ·
How Long Did Boo Radley Accelerate to Finish the Race on Time?
- .benK
- · Replies 6 ·
Why Do Larger Atomic Nuclei Require More Neutrons?
- nathan17
- · Replies 1 ·
Calculate the resulting charge on each capacitor
- Calcguy
- · Replies 1 ·
Where to cut the string so projectile peaks above the circle's center
- oscar_lai_hk
- · Replies 1 ·
How Does Charge Placement Affect the Electric Field Calculation?
- jelliDollFace
- · Replies 14 ·
Why Is My Approach to Solving Physics Homework Incorrect?
- Garen
- · Replies 3 ·
Calculating uncertainty when multiplying measured values
- mjolnir80
- · Replies 4 ·
How Does Friction Affect Stopping Distance and Speed?
- rgalvan2
- · Replies 11 ·
Uncertainty in energy for a proton confined to a nucleus
- Bazanaka
- · Replies 4 ·
Projectile motion, finding initial velocity
- fishingspree2
- · Replies 4 ·
What is the point where the electric field is zero?
- gnarkil
- · Replies 8 ·
Acceleration due to gravity question?
- jbgibson
- · Replies 1 ·
Find the initial separation between the particles
- nckaytee
- · Replies 9 ·