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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Angular velocity and regular velocity
- asi123
- · Replies 2 ·
Two blocks with same kinetic energy pushed same distance by force F
- soupastupid
- · Replies 2 ·
How Do Ships A and B Move Relative to Each Other?
- Jharr94
- · Replies 4 ·
Applications of Newtons Law Question 1
- noasherelol
- · Replies 3 ·
How Far Can a Golf Ball Travel at 30° on a Level Course?
- mrkidd1k
- · Replies 3 ·
Finding vector components for a southwest displacement
- ch2kb0x
- · Replies 3 ·
Contact Forces with a Massless String
- Inertialforce
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Projectile Motion - Horizontal Launch
- bkoiskewl1
- · Replies 7 ·
How Do You Calculate Distance When Velocity Changes?
- bigzee20
- · Replies 7 ·
Why Do Spring Constants Vary With Different Calculation Methods?
- mike115
- · Replies 2 ·
Design an expiriement/lab/activity related to Heisenberg Uncertainty Principle
- CooZa
- · Replies 1 ·
Spring potential energy equation for conservation of energy
- I_LoveCasey!
- · Replies 1 ·
Calculating Man's Northward Distance Traveled with Vector Components
- ch2kb0x
- · Replies 1 ·
Compton scattering with symmetric electron and photon angles at 30keV
- Quelsita
- · Replies 1 ·
Persistence of vision vs screen glow and eye image persistence
- iamamn
- · Replies 1 ·
Three bys trying to balance a seesaw
- Naldo6
- · Replies 1 ·
Calculate the moment of inertia of a uniform solid cone
- ehilge
- · Replies 2 ·
What is the potential energy of an electron
- Foxhound101
- · Replies 6 ·
New Angular Velocity of Star with Diameter Shrink to 0.17 Times
- Naldo6
- · Replies 3 ·
Cannon shot on airless planet with x gravity
- Mugen112
- · Replies 1 ·
Work done by gravity, friction, and push force on a 50 kg box up a 25° incline
- keemosabi
- · Replies 3 ·
How Do You Calculate Initial Bullet Speed in a Ballistic Pendulum Scenario?
- rbrow039
- · Replies 1 ·
How Do You Calculate Electric Potential Near a Proton?
- shinobi12
- · Replies 1 ·
Calculate the work done by the frictional force
- Bones
- · Replies 16 ·
How Do Lorentz Transformations Affect Measurements of Time and Distance?
- Frillth
- · Replies 1 ·
Why Does My Satellite Orbit Calculation Not Match the Expected 1.8 Hour Period?
- smw1016
- · Replies 1 ·
Solve Momentum Puzzle: Recoiling Cannon
- Awwnutz
- · Replies 1 ·
Can You Solve This 2D Equilibrium Problem with a Pirate on a Plank?
- Oblivion77
- · Replies 2 ·
Which Set-up Has Greater Acceleration?
- Robershky
- · Replies 7 ·
What is the Elevator's Acceleration Direction When the Scale Reads Higher?
- Quincy
- · Replies 8 ·
Neutron-Atom Collision: Energy Transfer
- bgil1989
- · Replies 1 ·
How far does a freely falling object travel in its 3rd second?
- wheeljeeper
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How Do You Calculate the Tension in Cords with Varying Angles and Loads?
- anteaters
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Conservationof energy and angular speed
- CornMuffin
- · Replies 6 ·
How Fast Is a Ball Rolling Down an Incline After 1.50 M?
- Naldo6
- · Replies 2 ·
Direct Current Circuits and automobile battery
- blakmamba619
- · Replies 8 ·
How Far is the Spring Compressed by the Sliding Block?
- Bones
- · Replies 18 ·
How much energy does it take to climb stairs?
- uno
- · Replies 2 ·
Displacement from angle and initial velocity
- Planefreak
- · Replies 1 ·
Why Does Kinetic Friction Apply When a Box Starts Sliding Down an Incline?
- fishingspree2
- · Replies 1 ·
Speed and centripetal acceleration of a stone in a sling
- physics_geek
- · Replies 4 ·
Centripetal force in a washing machine, car, and ball toss
- sarahxesia.
- · Replies 1 ·
AZING! Can a 56Fe Nucleus Fission into Two 28Al Nuclei Spontaneously?
- fredrick08
- · Replies 4 ·
Calculating Initial Velocity of a Projectile Using Free Fall Equations
- a18c18
- · Replies 9 ·
Finding acceleration and internal force in a chain of three links
- iluvphys
- · Replies 9 ·
How Many Sodium Atoms Remain in the 3p State After 10ns?
- fredrick08
- · Replies 3 ·
Orbital mechanics: Io, white dwarf, Milky Way, and Earth satellite
- smw1016
- · Replies 4 ·
Work pulling a 306 kg hanging crate 5.7 m horizontally
- TJDF
- · Replies 7 ·
What is the Speed of The Rocket at the Carnival?
- splac6996
- · Replies 11 ·
What is the Impedance of a Particular Inductor with Appreciable Resistance?
- Kris1120
- · Replies 2 ·
Determining the magnitude of the charge (Coulombs Law)
- meeklobraca
- · Replies 17 ·
Angular velocity when beads on rotating rod start to slip
- Kudo Shinichi
- · Replies 3 ·
How Do You Calculate Impedance in a Series RLC Circuit?
- Kris1120
- · Replies 2 ·
Minimum angular velocity for the Rotor ride with friction coefficient 0.5
- Kudo Shinichi
- · Replies 4 ·
How do I use Gauss's Law to calculate proton trajectories in an electric field?
- Gaara09
- · Replies 6 ·
Electric field from a gaussian pillbox in an infinite slab of thickness 2d
- indigojoker
- · Replies 9 ·
Concept Questions regarding Work
- TJDF
- · Replies 1 ·
How Do You Solve a 3D Moment Problem?
- ricky_fusion
- · Replies 6 ·
Free body diagram (centripetal force)
- dnt
- · Replies 6 ·
Kinetic Friction To Find Acceleration
- tater08
- · Replies 7 ·
Gauss's Law long thin wire question
- TFM
- · Replies 38 ·
Board pulled out from under a box
- aligass2004
- · Replies 5 ·
How Is the Maximum Energy Transfer Determined in a Photon-Electron Collision?
- Quelsita
- · Replies 1 ·
Normal distribution (Physics Lab)
- Oerg
- · Replies 1 ·
Finding the coefficient of kinetic friction and work
- leafeater47
- · Replies 2 ·
Finding resonant modes in a rectangular microwave cavity
- strugglingstu
- · Replies 1 ·
How to measure the intensity of Infra red
- MMorris
- · Replies 1 ·
Acceleration as a Function of Distance
- bollocks748
- · Replies 1 ·
Centripetal Acceleration and Tangential Acceleration problem driving me crazy
- roflawlz
- · Replies 1 ·
Why Does My Spin Chain Energy Calculation Differ from the Textbook?
- jorgen
- · Replies 1 ·
Compressed Air Bottle Rocket (Variable Mass)
- Aftermarth
- · Replies 5 ·
Relating spring constant, mass and angular frequency in SHM
- theneedtoknow
- · Replies 10 ·
Does wavelength or frequency define the color of visible light?
- Gear300
- · Replies 5 ·
What is the impulse delivered by the floor in a 2D bounce pass?
- xthursday
- · Replies 1 ·
Why conservation of momentum doesn't give head acceleration in soccer heading
- lmlgrey
- · Replies 1 ·
Finding the horizontal distance that the cork flew
- jheld
- · Replies 1 ·
Does the maxima separation remain constant for all values of m?
- tony873004
- · Replies 2 ·
Kinetic Energy: Calculating with a Bowling Ball
- Naldo6
- · Replies 1 ·
Contact forces between three blocks pushed horizontally
- anteaters
- · Replies 1 ·
Calculating Magnetic Field with Helmholtz Coils
- sheri1987
- · Replies 1 ·
Angular Aceleration of Cilynder
- Naldo6
- · Replies 2 ·
Webpage title: Calculating Forces on a Moving Box with a String at an Angle
- veronica_pr
- · Replies 1 ·
Solve Kinematics: Find Time of Fall for Object Dropped at 12 m/s
- babyblue
- · Replies 2 ·
Finding displacement during braking with constant acceleration
- austin1250
- · Replies 4 ·
Solving the Pendulum Problem: An Overview
- tapeworm
- · Replies 3 ·
Acceleration and tension in a three-box pulley system with one horizontal box
- nns91
- · Replies 25 ·
Angular Velocity of a neutron start
- big time
- · Replies 1 ·
The pushed box with kinetic friction and an inital speed
- NastyAccident
- · Replies 1 ·
Calculating Average Force in a Ball Rebound Momentum Problem
- lmc489
- · Replies 1 ·
An equilateral triangle w/3 =forces, 1/side,why is sum of torques always= at any pt?
- mistymoon_38
- · Replies 2 ·
Projectile motion beer slide problem
- haydn
- · Replies 4 ·
Calculating Tension in Multiple Cords for Suspended Object - 250N Weight
- aligass2004
- · Replies 12 ·
DIFFRACTION PROBLEM (physics lab)
- mjsteves
- · Replies 1 ·
Determining the static and kinetic coefficients on an incline of wood on wood
- cmcc3119
- · Replies 1 ·
Acceleration due to Gravity: calculate initial velocity
- Archedcutie
- · Replies 3 ·
Projectile motion: keys thrown horizontally from a cliff
- shoez
- · Replies 2 ·
Induced emf in secondary coil with solenoid current change
- jcvince17
- · Replies 14 ·
Centripetal Acceleration Space Shuttle Problem
- C^2
- · Replies 1 ·
Which ball experiences greater impulse: red or blue after rebounding to different heights?
- kallisti
- · Replies 2 ·
Calculating the Force Needed to Lift a 700 lb Car with a Hydraulic Jack
- designer rose
- · Replies 1 ·