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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A very Simple angular movement numerical
- sunjava1
- · Replies 1 ·
Speed, force, velocity, (falling object)
- Shane-O
- · Replies 10 ·
How Does a 0.0200-kg Rock Accelerate When Shot Upward with 98.0 N?
- andrewy77
- · Replies 8 ·
What is the total work done on the crate with friction?
- sunjava1
- · Replies 1 ·
Induced motional emf conceptual question
- EngineerHead
- · Replies 3 ·
Ploting a graph of kinetic energy of mass
- JavaJoeUK2011
- · Replies 3 ·
How far does the marble travel horizontally before hitting the floor?
- jasonbans
- · Replies 8 ·
Why does x vanish at infinity in momentum expectation derivation?
- A_B
- · Replies 2 ·
Simple physics question on conservation of energy
- killerdevil
- · Replies 19 ·
Gravitational Acceleration-Orbital Motion
- physgrl
- · Replies 7 ·
Mass Number: Why Can It Be a Fraction?
- kooyewyoung
- · Replies 2 ·
Why Can't You See Light Interference from Two Windows?
- Plutonium88
- · Replies 6 ·
Lagrange equation (2 masses, 3 springs)
- Lindsayyyy
- · Replies 8 ·
How to Solve Problems with Moment of Force in Physics
- flower-girl
- · Replies 2 ·
How to use the work-energy theorem to find mu?
- jshot079
- · Replies 10 ·
How Much Energy Does a Refrigerator Use in a Single Day?
- fiziks09
- · Replies 6 ·
How Does Doubling the Amplitude Affect the Oscillation Period?
- 1MileCrash
- · Replies 14 ·
Question in centroid for given figure
- flower-girl
- · Replies 2 ·
Where can I find more practice problems for momentum and collisions?
- apaxapax
- · Replies 1 ·
Can a Stuntman Jump Safely into a Pool from a 50-Meter Building?
- Alimarin
- · Replies 4 ·
How Does Dropping Clay Affect a Potter's Wheel's Angular Speed?
- math34
- · Replies 1 ·
Drawing a FBD of a Stone In Vertical Circular Motion
- tahayassen
- · Replies 6 ·
How Fast Should the Professor Ride to Make the Jump?
- Firben
- · Replies 3 ·
Work of Varying X Component by Integration
- Ad Astra
- · Replies 5 ·
Capacitor Charge and Voltage Distribution in Series with Net Charge at Junction
- [sauce]
- · Replies 16 ·
Carnot Heat Engine: Solve for Heat Expelled to Cold Res.
- tehjojo
- · Replies 2 ·
Calculate Force of 4 Spheres on 1 Sphere
- Scorpiogrl
- · Replies 1 ·
Emission or absorption spectrum
- logearav
- · Replies 1 ·
Force/Power pulling a rope (I get 2 solutions)
- therealnihl
- · Replies 9 ·
Rotational Statics Of A Balance Beam
- mrshappy0
- · Replies 1 ·
Physics Problem: Displacement, Acceleration, Velocity
- shawonna23
- · Replies 3 ·
How many pennies can float in a racquetball boat half?
- xnitexlitex
- · Replies 1 ·
Block on an Incline with Varying Elevation
- Becca93
- · Replies 2 ·
Y-intercept in Weight-Mass Graph
- SeLe92720
- · Replies 1 ·
Collision and using x and y coordinates.
- Crusaderking1
- · Replies 4 ·
Masses connected by cables - Tension in cables?
- samantha.
- · Replies 8 ·
Why aren’t all materials magnetic?
- the_chewbacca
- · Replies 2 ·
Finding the phase constant when initial displacement is zero and velocity is negative
- 1MileCrash
- · Replies 7 ·
Fluid flow rate and friction problem
- MikeWW2
- · Replies 3 ·
Why do atoms attract if they have negative outer electrons?
- Physics_S16
- · Replies 1 ·
Rotational And Translational Motion Of A Bowling Ball
- mrshappy0
- · Replies 15 ·
Find coefficient of static friction
- Sefrez
- · Replies 3 ·
Roller coaster cart gaining weight into a loop
- almightyfoon
- · Replies 1 ·
How Does Path Difference Affect Interference Patterns in Light Waves?
- luke949
- · Replies 4 ·
Rocket launched at 70° with 8 m/s² acceleration for 6.5 s then free fall
- MissJewels
- · Replies 3 ·
Electrons: Position, Exit Angle, 2 cm Length Plates
- MissJewels
- · Replies 4 ·
Finding phase difference between two pendulums at 10s
- wh00pwh00p
- · Replies 1 ·
Water flow speed through a pipe
- Capncanada
- · Replies 3 ·
Thin-Film Interference: Coating a Lens - Answers found, explanation needed
- FishStik
- · Replies 4 ·
Calculating diameter of a different type of wire with same current and e-field
- RichardEpic
- · Replies 7 ·
Collision question - Simple one
- nukeman
- · Replies 6 ·
Static Friction Coefficient of 224 kg Crate on 20.1° Incline
- samantha.
- · Replies 8 ·
Current through two different types of wire of different diameter
- RichardEpic
- · Replies 5 ·
Linear momentum (2 blocks and spring question)
- nukeman
- · Replies 26 ·
Conservation of momentum, change in velocity due to added mass from above
- bloodlust
- · Replies 3 ·
Charged ball hanging in equilibrium between two parallel plate capacitors.
- bitterbilly
- · Replies 1 ·
Period of oscillation (potential energy equation given)
- sodaboy7
- · Replies 4 ·
Using a Force equation to find out how much WORK is done.
- Larin
- · Replies 5 ·
Determining the Density of Water
- confuzzled2
- · Replies 5 ·
Magnetic resonancy, Zeeman effect
- fluidistic
- · Replies 4 ·
Calculating Beam Separation in Stern-Gerlach Experiment
- fluidistic
- · Replies 1 ·
Is My Physics Calculation on Elevator Dynamics Correct?
- xPiiNK
- · Replies 1 ·
PE/KE-Bullet Hits a Hanging Block?
- Merlinnair
- · Replies 2 ·
How do I calculate the temperature at different layers within a cavity wall?
- ingram010
- · Replies 3 ·
Orbital Frequency of an electron in a hydrogen atom
- RichardEpic
- · Replies 2 ·
I with finding moment of inertia for pendulum
- xnitexlitex
- · Replies 5 ·
What is the equation for the center of mass of an arc?
- DaviBones
- · Replies 1 ·
Stone thrown from cliff at 53°: finding time, height, range, and final velocity
- MissJewels
- · Replies 5 ·
Two cars at same speed, one passes the other
- MissJewels
- · Replies 6 ·
Crossing a river ( relative velocity problem )
- Smartguy94
- · Replies 3 ·
Deriving the ideal gas law in terms of density and molar mass
- AzzidReign
- · Replies 5 ·
What is the derivation of the moment of inertia of a solid sphere?
- piquante
- · Replies 1 ·
Swinging Pendulum hits Block on Table- Find Distance and Acceleration?
- Merlinnair
- · Replies 1 ·
Calculating Raft Movement with Walking Boy
- Smartguy94
- · Replies 5 ·
How far will the raft move (center of mass problem)?
- Smartguy94
- · Replies 1 ·
Throwing speed question (ball and a box)
- neomah
- · Replies 5 ·
Charge and Mass of Singly Ionized Uranium
- Marshillboy
- · Replies 4 ·
Elastic and Inelastic Collision problem/lab
- neomah
- · Replies 3 ·
Elastic collision of 17 kg and 4 kg blocks on frictionless incline
- lillybeans
- · Replies 2 ·
CANDU Reactor contains 70 kf og fissionable material
- JohnTralp
- · Replies 1 ·
Maximum distance a spring will stretch
- PirateFan308
- · Replies 12 ·
Given kinetic energy and momentum, find mass and speed
- okool
- · Replies 1 ·
Calculating 'g' with Slope of Pendulum Graph
- physicsguy101
- · Replies 1 ·
Heat required to freeze water in aluminum tray from 18°C to -15°C
- format1998
- · Replies 9 ·
How Do You Calculate Binding Energy Per Nucleon for Helium-4?
- deezer
- · Replies 6 ·
Solving Amperes Law Problem - B=2.15T, Answer in Tm
- Heath90
- · Replies 1 ·
Angular rotation velocity and acceleration
- stau40
- · Replies 1 ·
Entropy and Maximum work for two idential, finite sized bodies
- J.Welder12
- · Replies 1 ·
Acceleration and tension for 20 kg block and 10 kg hanging mass
- ohmygenevieve
- · Replies 3 ·
Finding out distance before breaking leg using Hooke's Law
- TmrK
- · Replies 1 ·
Tension in string for two masses in circular motion
- MelissaJL
- · Replies 2 ·
Difference in height in a U-shaped tube
- kottur
- · Replies 7 ·
A couple conceptual Magnetism questions
- DrummingAtom
- · Replies 2 ·
Hydrogen gas isobaric expansion with volume increase by factor k
- Termodinamica
- · Replies 28 ·
How Does Static Friction Affect Bicycle Acceleration?
- 7.11brown
- · Replies 3 ·
Nuclear Fission of 1g of Uranium 235
- deezer
- · Replies 4 ·
Find Time to Melt Ice Ball in Water Bath: Heat Conduction
- funoras
- · Replies 1 ·
Induced current in conductor moving circularly in constant B-field
- Waxbear
- · Replies 2 ·
Solving 1D Collision Lab: Is it Elastic?
- apaxapax
- · Replies 5 ·
Do e² c ħ/R have dimensions of energy?
- HelpNowPlease
- · Replies 3 ·