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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Calculating Angular acceleration of wheel
- AkkiJay
- · Replies 6 ·
Velocities after collision of two identical circles
- yortzec
- · Replies 2 ·
Need to find the net force and the average force .
- MsHomework
- · Replies 11 ·
Error in the mean from individual measurement errors
- Pandabasher
- · Replies 2 ·
Why does a 64 mm-Hg low pressure zone raise water level by only 0.85 m?
- qspartan570
- · Replies 1 ·
Arrow shot at 33° angle with 55 m/s: how high does it go?
- IBdoomed
- · Replies 5 ·
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 ·
Tension force on a 20 kg box on a frictionless ramp
- epicwinning97
- · Replies 3 ·
Solving a Physics Question: Wheel Mass 15kg, Radius 1m, Step 0.4m
- lionely
- · Replies 3 ·
Beat frequency from bat's sound reflected off 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 ·
Physics project ideas for torque, waves, or fluids on a budget
- 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 ·
Bullet passing through block connected to spring
- 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 ·
Heat required to convert compressed water to superheated steam at 1 bar
- 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 ·
Rotational dynamics of a dumbbell rotating about a pivot on its rod
- 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 for final temperature when mixing water at different temperatures
- Sanne
- · Replies 5 ·
Why Gauss' law uses different sides for wire vs plane sheet
- logearav
- · Replies 1 ·
Why multiply latent heat by 10^3 and convert joules to MJ
- luigihs
- · Replies 7 ·
Finding the deflection plane between two colliding bodies in N-body simulation
- RossH
- · Replies 9 ·
Bicycle tire overpressure at different temperatures
- 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 ·
Rope in fundamental mode: finding amplitude, wave speed, and tension
- 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 ·
Angle between velocity and acceleration for bee in spiral path
- 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 ·
Why does raising one arm increase reach in a vertical jump?
- 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 ·
Adding forces as vectors
- 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 ·