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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Biomechanics - CoG and projectile motion
- set0447
- · Replies 1 ·
How to find tangential velocity of a mass?
- coldjeanz
- · Replies 4 ·
Finding Vel. and Pressure of blood flow in vessel
- Head_Of_state
- · Replies 1 ·
Work question without distance, work and velocity
- MsHomework
- · Replies 37 ·
Easy problem dealing with tension and mass of an object.
- epicwinning97
- · Replies 3 ·
Solving a Physics Question: Wheel Mass 15kg, Radius 1m, Step 0.4m
- lionely
- · Replies 3 ·
The Doppler Effect - frequency of a bat reflected on wall
- forestmine
- · Replies 10 ·
Forces and Pressure in a Hydraulic System
- forestmine
- · Replies 2 ·
Relative speed, relative angles
- skysunsand
- · Replies 1 ·
Magnetic Force Direction Question
- nivekov123
- · Replies 1 ·
Help me decide with a mid range physic project
- superjose
- · Replies 6 ·
What is the maximum speed of the pendulum?
- ctwokay
- · Replies 17 ·
Momentum Collission Inclined Plane 2
- Plutonium88
- · Replies 14 ·
Beat frequency for hanging bar between two wires with added offset weight
- NickP89
- · Replies 5 ·
Relativity question, photon and proton
- Prodigium
- · Replies 4 ·
Rlc problem: calculations of components and phasor drawing
- XYZ^2
- · Replies 3 ·
Conservation of momentum question
- smt
- · Replies 15 ·
Calculating Change in Entropy for Water Turning into Steam
- physgrl
- · Replies 16 ·
Calculating the diameter of a bubble when it reaches the surface
- qspartan570
- · Replies 2 ·
How Can I Get Help with Problem 6 If I Haven't Attempted It Yet?
- newsun
- · Replies 6 ·
Energy Stored in a Charged Capacitor
- shadyy
- · Replies 3 ·
Why is the positive value considered the 'normal' state for integers?
- studentxlol
- · Replies 3 ·
Confused about Compressed Water in Constant Pressure Process?
- craglyboy
- · Replies 1 ·
How Much Will Day Length Increase If Polar Ice Melts 10m?
- CampyPython
- · Replies 1 ·
Calculating the Deceleration of a Car in an Emergency Stop
- Kujanator
- · Replies 5 ·
Rate will this student burn calories
- lalahelp
- · Replies 3 ·
Calculate the pressure of the following mixture.
- marcoskids
- · Replies 1 ·
An overall question about rotational dynamics
- yttuncel
- · Replies 9 ·
Linear Momentum of Particle and Rod
- KDawgAtsu
- · Replies 1 ·
Solving a 24-Car Train Acceleration Problem
- EndoBendo
- · Replies 2 ·
What is the magnitude of the resultant velocity of the seed?
- bradnoell
- · Replies 1 ·
Max Amplitude for a 2 mass oscillation system
- daredevile125
- · Replies 3 ·
Tension in a single rope holding a block, no motion.
- MissJewels
- · Replies 5 ·
Weight at the North Pole vs. Equator Problem
- Legaldose
- · Replies 2 ·
How Would Melting Polar Ice Caps Affect Earth's Day Length?
- zoner7
- · Replies 2 ·
Multiple questions, , test friday
- corong1997
- · Replies 1 ·
Polarization: minimum thickness for quater-wave plate
- ProPatto16
- · Replies 1 ·
Determin the magnitude of the net electric field of three point charges
- Ruth_1392
- · Replies 5 ·
Max Acceleration of a 20.0kg Crate on a Flatbed Truck
- pebbles
- · Replies 6 ·
How Does Water Alter the Diameter of Newton's Rings?
- Frosty128
- · Replies 1 ·
Finding diameter of a bubble when it reaches the surface.
- qspartan570
- · Replies 1 ·
How Fast Must a Juggler Throw Four Balls?
- EndoBendo
- · Replies 1 ·
What Happens to the Remaining Support When One Is Removed From a Supported Rod?
- EndoBendo
- · Replies 1 ·
Formula: final temperature when mixing water with water
- Sanne
- · Replies 5 ·
Application of Gauss' law - some doubts
- logearav
- · Replies 1 ·
Calculating Latent Heat of Vaporisation: 3 kW Kettle, 2.0 kg Water @ 100oC
- luigihs
- · Replies 7 ·
Collision and Deflection in N-Body Simulations: Finding the Vector Solution
- RossH
- · Replies 9 ·
Solve Bicycle Tire Overpressure Problem | 22°C to 38°C Temperature Change
- qspartan570
- · Replies 1 ·
Solving Pressure Problem for Interstellar Hydrogen Gas
- qspartan570
- · Replies 5 ·
Under Pressure Finding the height of compressed air
- IslandHead
- · Replies 5 ·
What is the formula for calculating average power of electromagnetic waves?
- blackbyron
- · Replies 5 ·
Understanding Traverse Wave Properties: Homework Questions
- GGD
- · Replies 5 ·
Potential at the corner of a insulated charged cube
- idon'tknowphy
- · Replies 3 ·
Location of minimum change in velocity for orbit escape
- majorbromly
- · Replies 5 ·
Basic relativity question (probably easy for everyone on here xD)
- jayjay713
- · Replies 6 ·
Carnot Engine refrigerator temp
- physgrl
- · Replies 14 ·
Understanding Electric Field and Charge Distribution Problems
- loki4000
- · Replies 4 ·
Moment of inertia tensor of three spheres
- Silken
- · Replies 1 ·
Heat energy transferred in converting ice into steam
- physiman
- · Replies 4 ·
Spring Constant of a Spring in a Shock Absorber?
- tahayassen
- · Replies 3 ·
3D Schrodinger Equation of a Wire for Energy Levels - Quantum Physics
- Doopdedoop
- · Replies 1 ·
Using centripetal force, determine the acceleration of gravity
- spike spiegel
- · Replies 1 ·
Engineering Statics. Friction involving two bodies.
- thepatient
- · Replies 2 ·
Analyzing Bee's Spiral Path: Velocity & Acceleration
- chaotixmonjuish
- · Replies 3 ·
How do I calculate the potential energy of a hanging rope?
- Silken
- · Replies 6 ·
Force, pressure and acceleration
- quark001
- · Replies 4 ·
Orbit of Moon and the earth around thier COM
- hms.tech
- · Replies 5 ·
Weight causing a wheel to rotate
- JamesGold
- · Replies 20 ·
Augustine in septic tank (Alice in Wonderland)
- maxtheminawes
- · Replies 3 ·
Central forces in elliptic and parabolic orbits
- armin.hodaie
- · Replies 9 ·
Find Speed of Stone at 10m: Solving for Speed at 10m from Ground
- erox
- · Replies 3 ·
Parallel RLC Circuit: Using General Impedance Equation
- wetwilly92
- · Replies 3 ·
Airplane and Wind Vector question
- Avalonn
- · Replies 4 ·
Surface area using double integrals
- Carnivroar
- · Replies 17 ·
Biomechanics - Center of Gravity and Projectile Motion - PLEASE help
- set0447
- · Replies 1 ·
I solved this Conservation of Energy problem but I don't fully understand how
- coldjeanz
- · Replies 2 ·
How Quickly Can an Eagle Distinguish Two Mice as Separate Objects?
- jlax31
- · Replies 3 ·
Estimating Doppler Shift for a Radio Wave
- Covenant32
- · Replies 2 ·
Given two charges where to put thrid charge for zero net force
- msbell1
- · Replies 3 ·
If you submerge a 3cm cube of ice in cup of water, with what force
- kthejohnster
- · Replies 1 ·
How Do You Calculate the Coefficient of Friction in a Ramp Experiment?
- Unidh4x0r
- · Replies 3 ·
Polarization, minimum thickness of a quarter wave plate
- ProPatto16
- · Replies 2 ·
How Does the Doppler Effect Influence the Frequency of an Ambulance Siren?
- Lizziecupcake
- · Replies 3 ·
Finding tension in a wire in our static equilibrium unit
- MeckWarrior
- · Replies 1 ·
Object In Orbit pushed by a velocity and crashes onto moon.
- uhohitzluke
- · Replies 9 ·
Circuit Analysis current and induction
- Yaaaldi
- · Replies 11 ·
Add forces as vectors help - Thanks
- nukeman
- · Replies 3 ·
I believe I can Fly~I believe I can touch the sky
- maxtheminawes
- · Replies 3 ·
Solving Heat Pump Problem: 1/W = 1/(1-5/20)
- phoenix133231
- · Replies 2 ·
A non-uniform is 3.8-m long and has a weight of 560.-n.
- andrewy77
- · Replies 1 ·
How Does Twin Motion Affect Cart Direction?
- whoareyou
- · Replies 2 ·
Why do we use Newtons of force over trig functions?
- IBdoomed
- · Replies 1 ·
Relativistic Collission of Protons
- trevor51590
- · Replies 4 ·
What is the Normal Force on a Rider in a Ferris Wheel at the Midpoint?
- vadiraja
- · Replies 4 ·
A 63-kg student stands on a 34-kg cart that is free to move
- jasonbans
- · Replies 1 ·
Static Equilibrium of mass and wire
- chara76
- · Replies 5 ·
Designing a simple magnetic field gen with a straight wire. Need current density
- ARBY1
- · Replies 1 ·
Moving wedge, conceptual problem
- hermes1908
- · Replies 2 ·
How Do Infinitely Long LC Circuits Behave?
- channel1
- · Replies 3 ·