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.
Can You Accurately Compare Bearing Slow Down Functions?
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Help Calculating probability between 2 limits for the ground state
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28
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442
POWER - different approach, different results
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23
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405
Help needed in this problem involving a spring and energy balances
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9
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324
Fluid mechanics problem: The extent to which an iron deposit can influence water level
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10
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508
When does Phobos collide with Mars?
3
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756
Calculation of torque and force on magnetic dipole near infinite wire
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3
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261
Calculation of magnetic dipole moment of the Earth
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211
Final Charge of a Capacitor in a Circuit with Capacitors and Resistors
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9
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424
Does a Slowing Piano Exert More Force Than the Man Pushing It?
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3
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230
Why is a current ring approx a magnetic dipole from very far off?
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7
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293
Where on a rigid body is a resultant force applied?
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272
Prove this equation for projectile motion
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242
How Does Stress Affect a Hollow Pipe When Force Is Uniformly Applied?
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6
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296
Understanding MIT's applet on sound with Fourier coefficients
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254
Find moment arm of resultant force of two forces applied at two points
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261
A sphere suspended from a cord -- Find the tension
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13
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272
How Is Potential Energy Converted to Kinetic Energy in Physical Systems?
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359
Why don't we find the angular magnification of objective lens in microscopes?
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10
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445
Physics 1 Parabolic Motion Question Confusion
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15
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539
Acceleration in uniform circular motion is uniform or non-uniform?
2
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55
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737
Difference between resonance in undamped vs damped mass-spring-dashpot
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17
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462
Amplitude of harmonic oscillation given position and velocity
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4
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256
Modeling a mass falling from one side of the Earth to the other
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233
Elastic Potential Energy - Positive or Negative?
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5
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256
Solving a Non-Equilibrium Pully System with a Fixed Length Rope at a 154 Degree Angle
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10
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251
Help with a Refraction problem that involves light passing through different media
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11
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436
Conservation of energy problem: Ball rolling down inclined plane and then through a loop-the-loop
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10
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502
Elastic potential energy - different methods, different results
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2
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214
Work Done and Acceleration (Mistaken Answers?)
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5
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220
Faraday's law help -- Induced EMF vs. time graph
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7
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363
How can I find the sustain time of an electric guitar?
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7
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290
On what does gravity assist depend? (possibly with sources)
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3
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285
Calculation of the magnetic field of four quarter circles
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12
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370
Magnetic Field Due To Wire Of Semi-Circular Cross Section
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5
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370
Calculate the gravitational force between these three masses
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4
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227
Vectors Directions: Where is this Resultant Vector Pointing?
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14
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367
Momentum Physics Problem: Two astronauts throw billiard balls that collide
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8
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499
Understanding work in translation and rotation of a magnetic dipole
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1
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416
Current through a circuit when the key is open
2
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42
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1K
Current flowing in an open circuit
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9
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435
Change of internal energy during linear transformation
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11
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349
How does one calculate the number of photons striking a surface per second?
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12
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383
Find net external work of a system w/ 2 objects w/ opposite forces
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8
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266
Internal energy won't add up to 0 in cyclic process
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1
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207
Two balls, dropped with a delay of ##\Delta t##, meet after rebound
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34
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761
Static Equilibrium Reaction Question about Fixed Point
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3
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295
Why can we use this approximation in rotational work-kinetic energy theorem for small displacements?
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7
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317
How Do You Begin Creating a PV Diagram from Complex Data?
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21
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507
Instantaneous Acceleration Given Equation for Velocity
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7
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321
Minimal rotational kinetic energy for a gyroscope to precess
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33
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1K
How does this potential divider circuit work?
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1
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256
Vertical Mass Spring System | Analyzing work
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18
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298
Understanding relative velocity in 1D elastic collision
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15
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322
Stefan-Boltzmann's Law. How to apply to the Sun
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8
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245
Why Does Surface Tension Allow Bubbles to Form Despite External Pressure?
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3
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284
Optimizing energy expenditure over a race course in cycling
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8
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318
Does levitation distance increase as Fg increase???
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1
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265
Sign of Work (Negative or Positive)
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4
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217
Kinetic energy in center of mass reference frame
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3
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288
How Can Derivatives Determine Speed in Physics Problems?
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20
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469
Work Pulley Problem with constant speed
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2
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241
A ball is thrown w/initial speed vi at an angle 𝜃i with the horizontal
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5
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314
Spinning a Bucket to measure gravity with the parabolic surface of the water
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17
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490
Angular acceleration of plank hanging off edge with a weight
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7
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362
Compare the conductance of an insoluble salt with soluble one
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2
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288
Circuit with potential difference across battery being zero?
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3
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298
How Do You Calculate Wire Extension Under Sudden Loads?
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15
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393
Final velocity of the barbell dropped after a dead lift
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7
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306
How can I calculate the Density and Volume of a mechanical mixture (atoms)?
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6
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297
Why do the headlights on the car become dim when the car is starting?
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4
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312
Why is the Energy Released in Nuclear Decay Equal to the Change in Binding Energies?
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13
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396
Electric field external to Conducting Hollow Sphere with charge inside
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17
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481
Translational Equilibrium Practice problem
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2
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299
Worst-case power consumed by a circuit with MOSFETs
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2
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327
Flux linked with circular coil vs solenoid
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14
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554
Collison between two particles
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17
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430
How force on atom in diatomic molecule varies with distance
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12
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363
Electromagnetic Induction in AC circuits
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3
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2K
Using energy considerations to analyse particle motion
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3
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291
Dragging an object: what is Fmin and magnitude of acceleration?
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3
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276
Comparison between two Tippe tops
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212
Why does mass not affect sliding speed down an inclined plane?
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4
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304
Find the value of ##θ## and frictional force acting on the block.
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5
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342
Find the Tension in the cable when the lift is moving at constant speed
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3
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667
Using energy considerations to determine speed
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4
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233
Series RLC circuit connected to a DC battery
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12
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457
Finding the center of mass of a piecewise function
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5
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310
Confused by Lorentz transformation equation
2
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36
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898
Final speed of particle far away from rings with opposite charges
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9
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394
Change in closed system energy with both conservative and non-conservative forces
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8
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301
Sound absorption/Acoustuic attenuation coefficeint (α(ω)) of PVC foam?
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1
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196
Is potential energy defined only for internal conservative forces?
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15
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387
Comparing spectral lines between 2 stars to calculate the difference in temperature
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0
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256
A sphere held steady on a slope by a rope
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7
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279
Find force as a function of position: F=F(x) using v=v(t)
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6
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434
Refractive index of seawater and a diver transmitting RF for 100 meters
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3
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279
Bead sliding along wire with constant horizontal velocity -- Shape of wire?
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2
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316
Forces applied to a spring-loaded gas pedal
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7
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381
Index Notation, Identity Matrix
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4
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246

Intro Physics Homework Help

Introductory Physics Homework Help is a service that assists students in their assignments related to the fundamental principles of physics at the introductory level.

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