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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Where Does Water Land When It Flows Out of a Hole in a Tank?
- nlanha1
- · Replies 2 ·
Physics-kinematics help-pellet and rifle
- MarcusB
- · Replies 1 ·
A Frictionless Bar Sliding due to a Magnetic Field and Emf
- gsquare567
- · Replies 3 ·
Length of bar needed to lift a crate(Torque, static equilibrium problem)
- Raziel2701
- · Replies 1 ·
What Is the Maximum Angle Theta for Directional Control of a Rolling Spool?
- tysonk
- · Replies 1 ·
How Do You Solve 2D Momentum Collision Problems?
- MtX
- · Replies 8 ·
Why Is Volume Excluded in My Thermal Expansion Calculation?
- FahimP
- · Replies 1 ·
How Do You Solve for the Mass and Velocity of a Cart in an Elastic Collision?
- PaleRider09
- · Replies 3 ·
PERE'S LAW AND FARADAY'S LAW OF INDUCTION
- twgic
- · Replies 1 ·
How Far Does the Block Compress the Spring?
- MUFfL3r
- · Replies 2 ·
Finding magnitude of torque on a molecule
- catan
- · Replies 4 ·
Static EQ/Center of Mass problem
- Ben is Dumb
- · Replies 4 ·
How far does the canoe move during this process?
- Heat
- · Replies 4 ·
Moment of inertia of a hoop about a point
- MasterNewbie
- · Replies 1 ·
How Long Does It Take for m1 to Reach the Floor in an Atwood Machine?
- petereater
- · Replies 1 ·
Help on AC Circuits: Power Factor = 1.0
- RagincajunLA
- · Replies 1 ·
Solving Tension in a Chain of 5 Links
- seeingstars63
- · Replies 1 ·
Do Buoyant Forces Depend on the Material's Density?
- wondermoose
- · Replies 3 ·
What is the meaning of the no heat accumulation ?
- ozy99
- · Replies 1 ·
Charge of Capacitor in LC Circuit
- musiliu
- · Replies 14 ·
What is the Time to Reach the Top of an Inclined Plane with a Free-Moving Box?
- weesiang_loke
- · Replies 1 ·
A satellite fired off a planet's surface
- Joules6626
- · Replies 2 ·
Kinetic energy is converted into electrical energy. How exactly?
- elis1994
- · Replies 1 ·
Find the static coefficient of friction
- Havenater23
- · Replies 6 ·
Calculate Spring Constants: 0.400 and 0.225 Joules
- Roger_Hurst
- · Replies 1 ·
How Does Gingerale's Pressure Change in Descending Pipes?
- ashwinanand
- · Replies 1 ·
How Does Angular Speed Affect Scale Readings on a Ferris Wheel?
- will21
- · Replies 2 ·
Physics/Calculus Help: Stopping Distance Calculation for a Decelerating Vehicle
- calculusguru
- · Replies 2 ·
Particle thrown from earth's surface
- barz1
- · Replies 2 ·
How can I calculate the force needed to hold a book on a forearm?
- rice1am
- · Replies 1 ·
How Does Photon Wavelength Affect Electron Ejection from Nickel?
- jackjones12
- · Replies 4 ·
What are the momentum troubles in this 2D collision problem?
- Hafsaaa
- · Replies 1 ·
Magnitude of Electric field at point P
- sambooby123
- · Replies 1 ·
How Fast Do Sound Waves Travel in Ocean Water?
- ode19
- · Replies 3 ·
Calculating Torque on a Dam: How Does Changing the Height Affect the Lever Arm?
- Fisicks
- · Replies 5 ·
Forces acting on a Bowler's Arm
- VitaX
- · Replies 3 ·
How Does Light's Speed Remain Constant in Moving Reference Frames?
- gmsss
- · Replies 3 ·
Friction and acceleration problem
- Havenater23
- · Replies 8 ·
Physics problem kindly explain how to arrive the answer.
- herbgriffin
- · Replies 5 ·
How Do Cats, Rabbits, Horses, and Birds Move?
- xanimalsx
- · Replies 1 ·
Setting up integral for a one-dimensional planet
- musicmar
- · Replies 3 ·
Acceleration of Beam with Inertia
- tdoyzz
- · Replies 1 ·
Gravitational Constant and Movement due to Attraction
- kk727
- · Replies 4 ·
Calculating Moment of Inertia for a Thin-Walled Spherical Object
- Karol
- · Replies 9 ·
Rotational Motion Homework: Hoop Rolling on 15 Deg Incline
- pb23me
- · Replies 8 ·
Net force due to gravity (sort of conceptual questions)
- LogicX
- · Replies 2 ·
Gravitation with Conservation of Energy and Momentum
- blackheart
- · Replies 2 ·
Electrostatics - sphere electric field
- Agonche
- · Replies 1 ·
Finding force without acceleration
- RedDanger
- · Replies 2 ·
Calculating Comet Halley's Speed Across Neptune's Orbit
- musicmar
- · Replies 1 ·
Can there be two normal forces acting on one body?
- flyingpig
- · Replies 19 ·
What is the Volume of Air Affected by Heat Released from Cooling Water?
- Rblswimmer456
- · Replies 1 ·
What is the rotational kinetic energy?
- MillerGenuine
- · Replies 1 ·
Does Drinking Water From a Boat Affect Water Level?
- prat
- · Replies 1 ·
Balancing a circle on a triangle?
- anotherghost
- · Replies 1 ·
Finding Distance of Retina from Lens: Power from 40D to 44D
- AlchemistK
- · Replies 1 ·
Energy difference between orbits?
- m84uily
- · Replies 1 ·
Damped Harmonic Motion Time Constant?
- m84uily
- · Replies 2 ·
How Do You Calculate the Moment of Inertia for a Compound Physical Pendulum?
- AdanSpirus
- · Replies 1 ·
Application of Electromagnetism question
- kittyNoel
- · Replies 9 ·
Dot product, cross product, Newton's laws.
- Neoriginal
- · Replies 23 ·
How Do I Calculate Kinetic Friction Using Work and Force Data?
- Cbeppe
- · Replies 7 ·
Calculating Orbital Velocity and Period Using Kepler's Laws
- DEckrich7
- · Replies 1 ·
How to Find Coefficient of Kinetic Friction?
- Physics Girl
- · Replies 1 ·
Calculating Magnetic Field Magnitude at Fermilab Accelerator in Batavia, IL
- dev-hud
- · Replies 2 ·
Uniform circular motion proportionality question
- Sean1218
- · Replies 1 ·
Different Capacitors in a Circuit
- member 217843
- · Replies 1 ·
How to Delete This Accidental Planetary Motion Problem Thread?
- k-rod AP 2010
- · Replies 1 ·
How can image size and image distance be related in convex mirrors?
- noname1
- · Replies 2 ·
Difference between kinetic and static friction?
- Sean1218
- · Replies 4 ·
What is the formula for θ as a function of time in a projectile's path?
- k-rod AP 2010
- · Replies 6 ·
Does Population Affect Gravity?
- brewAP2010
- · Replies 13 ·
Finding Mass m2 for Equilibrium: Two Masses on a Meterstick
- k-rod AP 2010
- · Replies 4 ·
Expansion of an aluminum support column under heart
- imatreyu
- · Replies 4 ·
Calculating Coefficient of Kinetic Friction: Object Sliding on a Level Surface
- Ryfull10
- · Replies 3 ·
Dynamics & Statics: Find Time for 5km Car Trip
- herbgriffin
- · Replies 1 ·
Two-Star System: Calculating Inertia & Angular Momentum
- dreit
- · Replies 4 ·
Calculating all gravitational forces on the earth
- MillerGenuine
- · Replies 10 ·
How Is Initial Velocity Calculated in a Spring Gun?
- ph4u
- · Replies 2 ·
Connection between Tension/Torque/Inertia, & linear acceleration
- JournaL
- · Replies 1 ·
Uniform circular motion - plane in a circular arc
- Sean1218
- · Replies 1 ·
Quick question about equilibrium points
- auk411
- · Replies 2 ·
Number of Tubes in Capacitor - 65 characters
- Acuben
- · Replies 1 ·
How Does a Moving-Coil Galvanometer Measure High Voltages and Currents?
- Mazaraika
- · Replies 3 ·
Calculate distance - accleration, time, distance
- asprsai
- · Replies 8 ·
Understanding Acceleration From Different Frames of Reference
- Sean1218
- · Replies 1 ·
Lab exploring tIV=mcΔT (water heated using heating coil)
- clarissalehne
- · Replies 5 ·
Simple loop and magnetic field
- dingo_d
- · Replies 4 ·
Calculate Satellite Speed & Period at 400 km Height
- max0005
- · Replies 17 ·
Steel pulling through ice, find weight of object
- Ockonal
- · Replies 8 ·
What Is the Probability of Drawing a Blue Then a Red Marble?
- reyesjd24
- · Replies 5 ·
Just a question on terminal velocity
- flyingpig
- · Replies 3 ·
Fan design to improve lift force
- MiracleMax1
- · Replies 1 ·
Primo Levi's Calculation: Human Mass on Earth's Surface
- Markolie
- · Replies 2 ·
How to Calculate Force of Atoms Using the Yukawa-Type Potential Energy Function?
- mopar969
- · Replies 7 ·
Pushing a block up a hill (kinematics/dynamics)
- Sean1218
- · Replies 2 ·
Find Tension for Desired Harmonic Resonance
- Hockeystar
- · Replies 10 ·
Calculating Force on a Falling Body: 5 kg, a = 15 m/s²
- Ockonal
- · Replies 5 ·
Calorimetry: adding ice to water
- e46lover
- · Replies 2 ·
Simulating N-Body Gravity Interactions: A Challenge in Computational Physics
- DrCheeto
- · Replies 1 ·