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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Heat Capacity and Latent Heat question
- stratz
- · Replies 3 ·
How Does the Heat Transfer Rate Affect a Beaker of Liquid Nitrogen?
- Jimmy87
- · Replies 3 ·
Understanding the Spring Constant: Solving a Practical Problem
- 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 ·
Uniform Circular Motion Problem. Help
- aki_23
- · Replies 1 ·
Help with two electrical circuits please
- diegovmtj
- · Replies 4 ·
Uniform Circular Motion Problem
- aki_23
- · Replies 1 ·
Finding the angle where acceleration is 0 in the system....
- Vitani11
- · Replies 5 ·
Understanding the Discrepancy in Power Calculation for a Moving Conveyor Belt
- 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 ·
Question about electrical potential energy
- 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 ·
What did I do wrong? Two-Dimension Vectors
- 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 ·
Traveling Wave on a String: Shape Retention & Direction/Speed
- 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 ·
Frictional Force Problem: Solve with 25kg & 0.36 Coefficient
- 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 ·
Two Parallel Wires: Magnetic Fields
- 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 ·
Angle of Rain on Earth: Investigating Relative Velocity
- 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 ·
So the title could be Finding Equilibrium in a Mass Spring System with Torque
- 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 ·
Determining mass of a weight on a three spring scale setup
- merricksdad
- · Replies 14 ·
Worldlines and spacetime diagrams
- alc95
- · Replies 4 ·
Evaluating my experiment; kettle water boiling efficiency
- Omar H
- · Replies 1 ·
How do I properly set up this F.B.D.?
- Vitani11
- · Replies 1 ·
Can a Tiger Outrun a Lion in a 100 Meter Dash?
- physicaled
- · Replies 1 ·
Understanding Forces in a Whirling Tube Filled with Liquid
- decentfellow
- · Replies 20 ·
Bicycle Distance: Kinematics & Friction Coefficient
- vinamas
- · Replies 1 ·
Flux density expressions at solenoid centre
- moenste
- · Replies 19 ·
Distance of compass to wire based on magnetic field strength
- songoku
- · Replies 3 ·
Calculating velocity using maxwell distribution
- kingkong23
- · Replies 26 ·
Need help starting a Scientific Investigation Report
- PhysicsOfLearning
- · Replies 2 ·
What is the Net Force on q1 in a Rectangle of Charges?
- Cimino54
- · Replies 4 ·
How to calculate work done on spring from object on slope?
- Eclair_de_XII
- · Replies 11 ·
Calculating Work Done on a Particle Using Basic Formulas
- Jrlinton
- · Replies 5 ·
How to Calculate Capillary Rise on the ISS
- yung_flower
- · Replies 1 ·
Is My Calculation of Kinetic Energy Change Correct?
- Jrlinton
- · Replies 6 ·
Finding the voltage at a radius of a cylinder
- Blockade
- · Replies 1 ·