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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What Is the Spring Constant and Acceleration in Horizontal Spring Oscillations?
- fezmaster
- · Replies 4 ·
Mechanics - Velocity over Time
- golanor
- · Replies 6 ·
Meteor Passing a Planet. Sample UC Berkeley Final question
- berzerkeley
- · Replies 1 ·
Very hard ideal gas law problem
- NasuSama
- · Replies 16 ·
Spring Paradox (apparently). Energy problem with one vertical spring.
- Anavra
- · Replies 5 ·
Finding the Force Between Two Point Charges
- PeachBanana
- · Replies 3 ·
How do I find the phase difference between two oscillators
- Fysicsfailure
- · Replies 2 ·
Confusion over Rolling with Friction and Rolling Without Slipping
- mhz
- · Replies 16 ·
Finding theoretical equation for elastic band force vs distance lab
- kushsharma96
- · Replies 1 ·
What Is the Correct Temperature for O2 Gas to Achieve an RMS Speed of 699 m/s?
- NasuSama
- · Replies 9 ·
Are two experimental values of k consistent within their error bars?
- FishareFriend
- · Replies 1 ·
Propagation of Errors - Error on Gradient
- FishareFriend
- · Replies 1 ·
How Does Roller Coaster Physics Calculate Velocity?
- crtsmnn
- · Replies 1 ·
Equilibrium of a system consisting of two bodies
- hms.tech
- · Replies 9 ·
How to Determine Inductance in RL Circuits for a Required Current Response Time?
- a_patel32
- · Replies 13 ·
Finding the differential equation for a oscillating system
- JustinLiang
- · Replies 3 ·
Centre of Mass Displacement when Man Climbs Ladder w/ Counterweight
- SK_JEE
- · Replies 11 ·
How to get angular velocity from force
- maryam.tooty
- · Replies 8 ·
Statics-Two wires holding traffic light
- lrp3395
- · Replies 5 ·
Why Does Temperature Remain Constant in Adiabatic Free Expansion?
- Scintillation
- · Replies 1 ·
Properties that determine rise in temperature
- rokr32
- · Replies 2 ·
Velocity of Electron ionized from Hydrogen
- DRC12
- · Replies 3 ·
What is the de Broglie wavelength of a falling neutron in a vacuum?
- DRC12
- · Replies 4 ·
How Does Pressure Distribute in a Fluid System?
- sgstudent
- · Replies 1 ·
How Does the Temperature Affect Ice Melting in Iced Tea?
- phunphysics2
- · Replies 1 ·
Calculating Work and Power: 50-N Force on a 2-kg Object
- zumi78878
- · Replies 1 ·
Finding the natural frequency of a cylinder oscillating on a circular surface
- theBEAST
- · Replies 1 ·
Why is the center of mass speed 0.33 m/s, not 2.33 m/s?
- zumi78878
- · Replies 1 ·
A large mirror is hung from a nail. The supporting ?
- rvbplayer123
- · Replies 2 ·
Physics paper, picture analysis
- mikky05v
- · Replies 8 ·
Work Energy/Momentum Problem - Why is there a loss of energy?
- theBEAST
- · Replies 5 ·
Find the Force applied to a rock by a slingshot
- jesse james
- · Replies 3 ·
Conservation of Energy: Spring onstant
- yomii
- · Replies 2 ·
Calculating Electron Speed and Energy in a Parallel-Plate Apparatus
- Lolagoeslala
- · Replies 1 ·
Power Needed for 200kg Glider to Reach 25m/s in 75m
- physics.mk
- · Replies 2 ·
How Do I determine when a pendulum ceases to be SHM
- WoodyHD
- · Replies 2 ·
Projecting a block up to compress a spring
- zumi78878
- · Replies 2 ·
Metal bar temperature when kinetic energy is multiplied by 9.49
- NasuSama
- · Replies 3 ·
Orbital angular momentum possible values of an electron in a hydrogen atom
- Ezequiel
- · Replies 2 ·
Pauli exclusion principle and fermions, bosons and quarks
- Ezequiel
- · Replies 2 ·
Questions - solving pendulum period of rotation
- Physics7
- · Replies 12 ·
What Load Weight is Needed to Suspend a Rope Over Water?
- Jonnigs
- · Replies 13 ·
How Does the Velocity of a Cart Change When Water Hits It?
- sapz
- · Replies 7 ·
How can Coulomb's Law be used to find the force between a charge and a surface?
- shotikokobaxi
- · Replies 3 ·
Thin lens projecting magnified image on wall 2m away
- SugarBomb5
- · Replies 2 ·
Wanna make a project for Optics Fair, Need Hepl
- mikeanndy
- · Replies 1 ·
Pendulum problem, need to be checked
- trilerian
- · Replies 9 ·
AP PHYSICS ~ FLUIDS ~ A cube of osmium with a volume of
- Silverbolt
- · Replies 6 ·
Work Energy Theorem and Uniform Disc Problem
- theBEAST
- · Replies 3 ·
Calculating the Speed of a Block After a Bullet Collision
- huynhtn2
- · Replies 7 ·
Electric field from uniform charge of finite length
- Pyuruku
- · Replies 1 ·
Voltage change away from long line of uniform charge
- Pyuruku
- · Replies 5 ·
How Do You Solve a Glancing Elastic Collision in Physics?
- air4ce
- · Replies 9 ·
How to Calculate the Speed of a Block Released from a Spring
- robertmatthew
- · Replies 2 ·
How much is the cross sectional area for the tube to fill up the compartment?
- aiklone1314
- · Replies 4 ·
How Long Until the Drink Reaches Room Temperature?
- rabiakhan.91
- · Replies 5 ·
Velocity of Water in 5 cm Tube: Solve Equation
- coldsteel
- · Replies 2 ·
How Is Work Calculated When Pushing a Box Up a Frictionless Ramp?
- chinnie15
- · Replies 6 ·
Moment of Inertia/Torque about point O of the rod
- Tygolfs94
- · Replies 1 ·
Find distance to which the center rises
- omc1
- · Replies 21 ·
Find the gradient of 1/mod{r-r'}
- Ashiataka
- · Replies 8 ·
Is Energy Always Conserved Like Momentum in Physics?
- oldspice1212
- · Replies 5 ·
Pressure of piston in a cylinder containing gas, find heat (Q)
- Violagirl
- · Replies 2 ·
How Are These Members in Compression and Tension
- wahaj
- · Replies 1 ·
Coefficient of friction on incline and Superman stopping a car
- infinitylord
- · Replies 1 ·
Second Moment of Inertia of a Rectangle
- theBEAST
- · Replies 1 ·
Moment of inertia. Ball rolling experiment.
- Dragonetti
- · Replies 8 ·
How Do Velocities Affect Collision and Proximity in Particle Dynamics?
- Jastrabik
- · Replies 5 ·
Why is the net electric field non-zero at the midpoint between +Q and -Q?
- spencerchad
- · Replies 3 ·
Kinetic and potential energy of a ball thrown from a cliff at 30°
- Questions999
- · Replies 3 ·
Calculating mass of an orbiting body
- MegaDeth
- · Replies 1 ·
Energy uncertainty of an atom in an excited state
- Ezequiel
- · Replies 4 ·
Projectile montion Problem given the Inital Velocity and Angle to horizontal
- keithc
- · Replies 8 ·
How do I solve for work done using applied force and distance on an incline?
- trogdor5
- · Replies 6 ·
Conservation of Momentum - Collisions
- doug1
- · Replies 3 ·
Why does a dropped mass compress a spring more than its weight alone predicts?
- cowmoo32
- · Replies 7 ·
What is the point in having a voltage follower?
- theBEAST
- · Replies 5 ·
Rotational Mechanics Problem typical one
- thunderhadron
- · Replies 1 ·
How Does Inductance Affect Energy Storage in AC Circuits?
- slayhy
- · Replies 3 ·
Height from rotating ring and block using energy conservation
- thunderhadron
- · Replies 12 ·
What is bandwidth in the context of RLC circuits?
- theBEAST
- · Replies 2 ·
Light as a particle/ compton effect, conservation of energy and momentum
- skg94
- · Replies 1 ·
How to find the magnetic moment direction of a current-carrying wire
- letsgo
- · Replies 1 ·
Electric Potential and Energy on a Circular Arc?
- Lolagoeslala
- · Replies 6 ·
Maximum spring compression problem
- whdahl
- · Replies 7 ·
Is Work Always the Transfer of Energy?
- curiously33
- · Replies 3 ·
Electrical Energy Electron Question
- BlueCardBird
- · Replies 6 ·
Find Current Through Voltage Source Using Kirchoff's Law
- mikehsiao789
- · Replies 1 ·
Finding the coefficient of static friction
- rm_girl
- · Replies 1 ·
Calculations Lab: Heats of Fusion and Vaporization
- pmalayavech
- · Replies 2 ·
Magnetic Field created from Current of Wire
- letsgo
- · Replies 1 ·
Angular Momentum for Man and Bullet
- GOPgabe
- · Replies 1 ·
Why does the acceleration of a pendulum depend on Rθ and not x?
- aaaa202
- · Replies 3 ·
Amount of Plutonium used in Trinity
- peripatein
- · Replies 9 ·
Speed of a Relativistic Particle?
- bmb2009
- · Replies 1 ·
Is a vacuum balloon posible? Theoretical material?
- NanoChrisK
- · Replies 1 ·
Finding orbital radius from period without velocity
- joel amos
- · Replies 12 ·
Firecracker exploding into three equal pieces
- FredGirl13
- · Replies 7 ·
Maximum distance for 1 oz projectile with torsion spring catapult
- Berwin
- · Replies 5 ·