Introductory Physics Homework Help Forum

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Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Violation of 2nd Law of Thermodynamics
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Change in internal energy
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297
what are the forces on a cell in a tree vs on the surface of a tree
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4
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304
Pressure inside a water drop
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2
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273
Raman spectroscopy problem
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7
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368
Extended essay help
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309
Mechanical Physics: Coefficient of Friction
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20
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654
Newton's Third Law?
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15
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480
Determining Radius from Magnetic Field of a Single-Wire Loop
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4
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319
Concave mirror reflecting a point lamp, that create a wider beam
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22
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381
Newton's First Law to explain Washing Machine Spin Cycle
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23
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510
The final velocity of a ball rolling while slipping.
2
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40
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734
Three Phase Per Unit System - Mark up, represent as single phase equiv
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1
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260
Solving the Basic Mechanics Bullet Block Collision Problem
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299
Finding how much heat released by evaporation of water
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311
Understanding the energy of a dipole in a uniform electric field
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2
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317
I need help with Nuclear reaction equations
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308
Rolling coin with point mass
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449
Rise of Liquid from Horizontal Acceleration
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300
Ratio of atomic masses of two ideal gases
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383
Proving Entropy statement is equivalent to Clausius statement
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291
Find the work from Newton's law of gravitation
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15
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448
Quantum Theory, particle in a ring
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308
Field transformations in the z-direction
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5
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453
How many kilocalories per gram are there in a 5.00-g peanut?
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4
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301
Finding the apparent acceleration due to gravity versus latitude
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344
Kinetic energy transfer from a rotating body in an inelastic collision
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23
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378
Heat exchanged in Expanding and cooling gas
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6
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310
Significant figures -- wrong answer to Thermodynamics question?
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4
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300
Finding heat exchanged work done to compress gas
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6
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325
Special Relativity - Which reference frame experiences which time?
2
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36
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639
Time Travel: Calculating Velocity for 10 Year Trip
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3
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304
Three equal forces applied to a rectangle, find net torque direction?
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30
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617
Work-Energy Theorem Exercise
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11
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343
Calculating moment of inertia for nonuniform sphere
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14K
Keeping a uniform bar in horizontal equilibrium
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364
Conservation of relativistic energy, collision of particles
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392
Entropy Change of Melting Ice
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4
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332
Work done to compress gas
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8
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318
Calculating Spacetime Intervals for Simultaneous Events
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10
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387
Electric fields between point charges
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3
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363
Confused about significant figures in official solutions
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6
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329
Poiseuille equation for water flow rate
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16
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489
Uncertainties propagation for area of a rectangle
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5
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368
Calculate these 5 temperatures along this Thermodynamic cycle
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4
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355
Kinematics : Average velocity problem
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9
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378
Where in orbit should a rocket fire to escape with minimum ΔV
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17
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465
Simple Harmonic Motion question (Need clarification)
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18
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4K
Long distance electrical transmission efficiency
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2
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310
Method of Images from an earthed half cylinder and plane
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7
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353
Einstein's Electrodynamics of moving Bodies
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7
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380
Current in a cube resistor
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6
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347
Effect of a polarizer/analyzer on partially polarized light
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25
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658
Final velocity involving a can of soup and an inclined plane
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14
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461
S1=mg/2? | Forces in a Line
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1
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340
Work done to lift a mass of water
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5K
Trouble solving for end state of two control volumes in a rigid tank
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4
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359
Rearrange formula and work out phase angle
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6
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403
MIT OCW, 8.02 Electromagnetism: Potential for an Electric Dipole
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1
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318
Surface density of the charges induced on the bases of the cylinder
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7
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344
Moment of inertia problem involving a cylinder rolling down an incline
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11
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426
1D Particle & Energy w/ F(x): Am I doing this right?
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7
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345
2-D Momentum Problem -- Elastic collision of two spheres
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12
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391
Jenga Tower physics
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20
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414
Thin heartshaped wire - Calculate the magnetic field at the origin
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18
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706
Electric field generated by solenoid
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4
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327
The gravitating of a small mass towards a big mass
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3
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352
Finding downward force on immersed object
2
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62
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1K
Superposition of two one-dimensional harmonic waves
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10
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365
Damped harmonic oscillation of a swingboat
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6
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337
Doppler effect and acceleration of source
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5
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391
Moments of force on Jenga tower
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14
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515
How to calculate Earth speed of the Moon induced orbit?
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4
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351
Glass prism and its refractive index
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1
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359
Change in energy stored in a spherical Capacitor
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2
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543
Electric field at the center of the equilateral triangle
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10
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526
Solving Distance Traveled Using Formulas vs. Graphs
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359
Dipole in polar coordinates
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2
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319
Initial speed of an object launched from Mars
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2
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354
Real vs. Ideal springs
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7
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369
Solving Current & Power in 4 & 3 Wire Circuits
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9
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722
Creating a Contour System: Results
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8
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390
Find Initial Velocity of a projectile given flight time and angle
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13
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325
Another way to find trig identities
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3
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341
Helium balloon energy conservation
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15
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400
Measuring wavelength of microwave radiation using double slits
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8
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394
Change in temperature of air in a closed system
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16
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406
Solar System Forces -- Simulating the planetary orbits for my project
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18
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435
Symmetrical parallel inductors, different currents? State Preparation
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7
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317
Single transfer lag in an open-loop system
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31
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4K
A particle in an infinite square well
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2
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314
Speed of sound from resonant length of tube vs tuning fork wavelengths
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16
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429
Use linear regression to find Planck’s constant
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10
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400
B field on a disk
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10
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344
Which hemisphere is the observer?
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439
What is the adjoint of |01>?
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2
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301
How to approach dynamics problems?
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401
Gas temperature in a constant volume
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8
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445
Force between point charges at the center of two spherical shells
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4
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343
Finding the work done by a block
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358

Intro Physics Homework Help

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Get introductory physics homework help, step by step from mentors. We do not give answers but guide you to it with your effort.

This is for algebra and calculus based general physics homework. Usually this is high school and undergraduate level problems.

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