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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Finding force, turning points and speed from a potential energy graph
- Jrlinton
- · Replies 3 ·
Finding static friction from circular motion
- Zynoakib
- · Replies 6 ·
Sun's rotation rate if it collapsed to a 10 km neutron star
- Vitani11
- · Replies 7 ·
Isobaric compression: different internal energy results
- dUDEonAfORUM
- · Replies 2 ·
Archived Coefficient of performance for a refrigerator
- rmjmu507
- · Replies 1 ·
Archived Two shafts connected by clutch: moment of inertia and angular impulse
- Renni202
- · Replies 1 ·
Why does the value of u change with the orientation of the loop?
- Drizzy
- · Replies 9 ·
Implied Precision: Is It 0.005 or 0.01?
- emeraldskye177
- · Replies 5 ·
Resistance of a Wire at varying temperatures
- Enharmonics
- · Replies 1 ·
Calculating Angular Velocity and Linear Acceleration in a Speed Skater's Curve
- Katie Morton
- · Replies 8 ·
How do I calculate the height of a bridge using one dimension?
- fandomgeek_394
- · Replies 7 ·
Which Direction Will the Induced Current Flow?
- Biker
- · Replies 3 ·
How do I interpret and graph Newton's second law data?
- AlexandraMarie112
- · Replies 1 ·
How to find force from volumetric flow rate and pressure
- bl965
- · Replies 5 ·
Why doesn't kinetic energy equal potential energy for a falling weight?
- andyg007
- · Replies 7 ·
Hockey puck velocity after impact
- nysnacc
- · Replies 15 ·
Relating accelerations and tensions in a two-block pulley system
- stephhm
- · Replies 1 ·
Heat Capacity and Latent Heat question
- stratz
- · Replies 3 ·
How Does the Heat Transfer Rate Affect a Beaker of Liquid Nitrogen?
- Jimmy87
- · Replies 3 ·
Finding spring constant when spring's own weight extends it
- louis2014
- · Replies 2 ·
How Does Coil Design Affect Galvanometer Sensitivity and Scale Linearity?
- moenste
- · Replies 6 ·
How do i find the the distances above ground?
- lane99
- · Replies 1 ·
Transformer and the brightness of bulbs
- Biker
- · Replies 11 ·
Calculating the induced voltage
- Biker
- · Replies 10 ·
Rotating disk find the radial and transverse velocity
- nysnacc
- · Replies 6 ·
Statics of a particle, mechanics, F=ma
- Kajan thana
- · Replies 6 ·
Why electron affinity of noble gas is endothermic?
- NuclearBoofluff
- · Replies 3 ·
Temperature change in different containers
- xunxine
- · Replies 4 ·
Newton's Second Law question, 3 blocks acting to each other
- The Lich King
- · Replies 1 ·
Magnetic field pattern in a hor. plane, wire force direction
- moenste
- · Replies 14 ·
Speed skier travelling up a hill
- Ly444999
- · Replies 7 ·
Calculating work done on a gas
- Potatochip911
- · Replies 1 ·
Millikan oil drop experiment charge determination
- Jacob Pilawa
- · Replies 6 ·
Calculating Coefficient of Restitution for Two Solid Balls Colliding
- nysnacc
- · Replies 6 ·
(Sp. Relativity) Krel / Kcl in powers of (v/c)^2
- Kunhee
- · Replies 4 ·
Rock thrown off a horizontal cliff
- Kiana Hill
- · Replies 4 ·
Stone whirled in horizontal and vertical circles at same speed
- aki_23
- · Replies 1 ·
Finding voltage, current and power in two resistor circuits
- diegovmtj
- · Replies 4 ·
Car on unbanked turn with reduced friction from wet patch
- aki_23
- · Replies 1 ·
Angle for a two-cylinder system to remain stationary under string tension
- Vitani11
- · Replies 5 ·
Why do two power calculations for a conveyor belt disagree?
- patricks1
- · Replies 8 ·
Max probability of finding an electron in 3dz2
- Titan97
- · Replies 16 ·
Calculating change in entropy with °C or K.
- rmiller70015
- · Replies 3 ·
Potential energy of charge between two parallel plates
- Faiq
- · Replies 14 ·
How Do You Calculate the Final Velocity of a Projectile?
- vinamas
- · Replies 1 ·
Investigation about the inverse square law of light radiation
- supersub
- · Replies 8 ·
Woman's displacement from two vector walks at angles
- Shelilla
- · Replies 4 ·
Particle Decay After a Certain Distance
- PatrickStar
- · Replies 28 ·
Are resultant force and total force the same?
- Zheng_
- · Replies 1 ·
What is the relationship between I_eq and i_1, i_2, i_3 in Kirchhoff's Laws?
- math4everyone
- · Replies 7 ·
How Does Temperature Affect Copper Wire Resistivity?
- Pao44445
- · Replies 1 ·
The balance reading when direction of mag. field changes
- moenste
- · Replies 15 ·
Why is Icm not needed in the Parallel Axis Theorem?
- ChloeYip
- · Replies 12 ·
Does a traveling wave retain its shape?
- Aliasa
- · Replies 4 ·
Average force exerted on the ball
- nysnacc
- · Replies 22 ·
What is the horizontal force exerted by the pivot on the rod
- Vitani11
- · Replies 9 ·
(SP. RELATIVITY) Annihiliation of Electrons into Photons
- Kunhee
- · Replies 1 ·
How to find the mass of a pith ball using electric forces?
- Shannon Smyth
- · Replies 1 ·
Tension and Newton's second law
- Touran Khan
- · Replies 4 ·
What is the magnitude of the girl's change in momentum?
- emily081715
- · Replies 19 ·
How does the energy loss change when blobbing on concrete instead of water?
- ChessEnthusiast
- · Replies 7 ·
Tension Force between two rotating masses on strings
- NarcolepticPig
- · Replies 1 ·
Find velocity of rocket that obtains more gas from gas cloud
- Scronin267
- · Replies 3 ·
Pulley Question, mechanics question
- Kajan thana
- · Replies 7 ·
Show these wavelengths are consistent with Rydberg formula
- Kara386
- · Replies 1 ·
Is Force a Conservative Vector Field?
- gspsaku
- · Replies 12 ·
How is the Couple Acting on a Coil in a Galvanometer Represented?
- moenste
- · Replies 5 ·
Calculating the resultant electric field
- diredragon
- · Replies 3 ·
What are the accelerations of the blocks?
- Vitani11
- · Replies 5 ·
Scaling of Emission Wavelengths in Balmer Series for ##Li^{2+}##?
- Kara386
- · Replies 3 ·
Find direction of current in a magnetic field
- moenste
- · Replies 34 ·
Why am I getting 88.29 N for friction on a 25 kg mass with coefficient 0.36?
- Josiah W
- · Replies 6 ·
Heat energy and liquid nitrogen boil-off rate
- Asad Raza
- · Replies 1 ·
Conservation of Energy of Mass on Crane
- elf197320501
- · Replies 1 ·
Relativistic Energy and Lorentz factor
- Kunhee
- · Replies 13 ·
Magnetic field from two parallel anti-parallel wires at point P
- ShotgunMatador
- · Replies 14 ·
Does Bread Land Peanut Butter Side Down?
- Vitani11
- · Replies 8 ·
Calculating Tension and Acceleration in a Circular Motion
- Bobbie Reidler
- · Replies 3 ·
Calculating Energy Stored and Dissipated in a Capacitor Discharge
- NkaujHelp
- · Replies 1 ·
Rain angle on a moving cart at different velocities
- ChloeYip
- · Replies 14 ·
Archived What is the equivalent capcitance of this circuit - Figured it out.
- riseofphoenix
- · Replies 3 ·
How Does Electric Potential Relate to Electric Field?
- diredragon
- · Replies 5 ·
Projectile motion with two objects
- OccamsRazor1
- · Replies 1 ·
# of gas particles hitting one face of a cubic container
- FranzDiCoccio
- · Replies 6 ·
L-shaped tank problem; forces due to water pressure
- Any Help
- · Replies 17 ·
Solving for Launch Angle Using Vo
- Alex T Weliever
- · Replies 1 ·
Bar movement, find angle to keep the bar stationary
- moenste
- · Replies 10 ·
Boyant force on an immersed body.
- Any Help
- · Replies 1 ·
AC through the wires, forces acting in/out of phase currents
- moenste
- · Replies 5 ·
Magnetic flux density between two wires
- moenste
- · Replies 4 ·
Determining phase shift of two frequencies
- teetar
- · Replies 5 ·
Dashpots and the Work - Kinetic Energy Theorem
- Taulant Sholla
- · Replies 2 ·
Problem with solving laplace equation with a charged ring
- throwaway128
- · Replies 4 ·
Average acceleration of the a particle in circular motion
- decentfellow
- · Replies 16 ·
Work and energy for a lowered block
- Kpgabriel
- · Replies 5 ·
How Fast Must the Woman Walk to Match Her Friend's Speed?
- emily081715
- · Replies 26 ·
How to find theta in a mutiple slit question
- MartinFreeman
- · Replies 3 ·
Spring attached to bar at angle not reaching equilibrium
- Dren
- · Replies 10 ·
How Do Tension and Friction Forces Interact in a Two-Block System?
- vijayram
- · Replies 18 ·
What is v and delta X after switching between frictions?
- Sciencelover91
- · Replies 12 ·