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.
How Does Impulse Relate to Momentum Change in Physics Problems?
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Need help on a energy question: Hockey puck sliding across the ice
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262
Why Do Capacitors Behave Differently in Series and Parallel Configurations?
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20
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493
Effect of different magnetic fields on a magnetic dipole
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323
Planar Coil Rotating in a Magnetic Field
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192
Electromagnetism problem: Merging of 2 charged drops of mercury
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213
Need help finding uncertainty for this equation
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317
Find the velocity of the stone just before it hits the ground
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332
Two blocks in contact -- find the force between them
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497
Can You Accurately Compare Bearing Slow Down Functions?
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4
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176
Help Calculating probability between 2 limits for the ground state
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28
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450
POWER - different approach, different results
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411
Help needed in this problem involving a spring and energy balances
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329
Fluid mechanics problem: The extent to which an iron deposit can influence water level
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10
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517
When does Phobos collide with Mars?
3
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Calculation of torque and force on magnetic dipole near infinite wire
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275
Calculation of magnetic dipole moment of the Earth
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215
Final Charge of a Capacitor in a Circuit with Capacitors and Resistors
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440
Does a Slowing Piano Exert More Force Than the Man Pushing It?
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233
Why is a current ring approx a magnetic dipole from very far off?
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303
Where on a rigid body is a resultant force applied?
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279
Prove this equation for projectile motion
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247
How Does Stress Affect a Hollow Pipe When Force Is Uniformly Applied?
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6
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306
Understanding MIT's applet on sound with Fourier coefficients
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3
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262
Find moment arm of resultant force of two forces applied at two points
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3
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273
A sphere suspended from a cord -- Find the tension
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13
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280
How Is Potential Energy Converted to Kinetic Energy in Physical Systems?
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363
Why don't we find the angular magnification of objective lens in microscopes?
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10
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451
Physics 1 Parabolic Motion Question Confusion
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15
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544
Acceleration in uniform circular motion is uniform or non-uniform?
2
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55
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753
Difference between resonance in undamped vs damped mass-spring-dashpot
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17
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477
Amplitude of harmonic oscillation given position and velocity
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4
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261
Modeling a mass falling from one side of the Earth to the other
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236
Elastic Potential Energy - Positive or Negative?
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5
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260
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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255
Help with a Refraction problem that involves light passing through different media
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11
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441
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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512
Elastic potential energy - different methods, different results
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2
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219
Work Done and Acceleration (Mistaken Answers?)
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5
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224
Faraday's law help -- Induced EMF vs. time graph
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7
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373
How can I find the sustain time of an electric guitar?
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7
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297
On what does gravity assist depend? (possibly with sources)
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3
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293
Calculation of the magnetic field of four quarter circles
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12
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382
Magnetic Field Due To Wire Of Semi-Circular Cross Section
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5
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378
Calculate the gravitational force between these three masses
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4
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231
Vectors Directions: Where is this Resultant Vector Pointing?
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14
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378
Momentum Physics Problem: Two astronauts throw billiard balls that collide
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510
Understanding work in translation and rotation of a magnetic dipole
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1
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427
Current through a circuit when the key is open
2
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1K
Current flowing in an open circuit
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9
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440
Change of internal energy during linear transformation
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11
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355
How does one calculate the number of photons striking a surface per second?
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12
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393
Find net external work of a system w/ 2 objects w/ opposite forces
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8
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272
Internal energy won't add up to 0 in cyclic process
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1
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210
Two balls, dropped with a delay of ##\Delta t##, meet after rebound
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34
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774
Static Equilibrium Reaction Question about Fixed Point
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3
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303
Why can we use this approximation in rotational work-kinetic energy theorem for small displacements?
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7
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325
How Do You Begin Creating a PV Diagram from Complex Data?
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21
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511
Instantaneous Acceleration Given Equation for Velocity
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7
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327
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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262
Vertical Mass Spring System | Analyzing work
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18
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306
Understanding relative velocity in 1D elastic collision
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15
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329
Stefan-Boltzmann's Law. How to apply to the Sun
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8
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251
Why Does Surface Tension Allow Bubbles to Form Despite External Pressure?
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3
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292
Optimizing energy expenditure over a race course in cycling
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8
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323
Does levitation distance increase as Fg increase???
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1
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270
Sign of Work (Negative or Positive)
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4
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223
Kinetic energy in center of mass reference frame
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3
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295
How Can Derivatives Determine Speed in Physics Problems?
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20
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476
Work Pulley Problem with constant speed
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2
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245
A ball is thrown w/initial speed vi at an angle 𝜃i with the horizontal
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5
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317
Spinning a Bucket to measure gravity with the parabolic surface of the water
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17
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497
Angular acceleration of plank hanging off edge with a weight
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7
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370
Compare the conductance of an insoluble salt with soluble one
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2
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295
Circuit with potential difference across battery being zero?
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3
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303
How Do You Calculate Wire Extension Under Sudden Loads?
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15
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403
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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298
Why do the headlights on the car become dim when the car is starting?
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4
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323
Why is the Energy Released in Nuclear Decay Equal to the Change in Binding Energies?
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13
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400
Electric field external to Conducting Hollow Sphere with charge inside
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17
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495
Translational Equilibrium Practice problem
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2
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302
Worst-case power consumed by a circuit with MOSFETs
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332
Flux linked with circular coil vs solenoid
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14
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562
Collison between two particles
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17
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436
How force on atom in diatomic molecule varies with distance
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12
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367
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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296
Dragging an object: what is Fmin and magnitude of acceleration?
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3
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283
Comparison between two Tippe tops
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216
Why does mass not affect sliding speed down an inclined plane?
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4
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309
Find the value of ##θ## and frictional force acting on the block.
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5
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348
Find the Tension in the cable when the lift is moving at constant speed
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3
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669
Using energy considerations to determine speed
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4
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236
Series RLC circuit connected to a DC battery
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12
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460
Finding the center of mass of a piecewise function
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5
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318
Confused by Lorentz transformation equation
2
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36
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913
Final speed of particle far away from rings with opposite charges
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9
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399
Change in closed system energy with both conservative and non-conservative forces
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8
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311

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.

This support involves elucidating key concepts such as mechanics, electromagnetism, thermodynamics, and optics. Tutors or resources providing introductory physics homework help aim to aid students in problem-solving, understanding theoretical foundations, and applying mathematical techniques.

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