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.
Find tension using sum of torque (two strings, one beam, one box)
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179
How do you prove ##\lambda = \frac {2L} {n} ## given only L?
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3
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199
Equation of resistance from given graph
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4
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207
Uniform Circular Motion: A plum-bob makes a 70 degree angle...
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4
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180
Find the distance a particle travels
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15
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332
Finding the x component of position vector
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3
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168
Uniform Circular Motion: Tension Force at Top of Circle
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4
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164
Find the phase difference between these two sine waves
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21
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262
Frames of Reference: Using tie-downs to hold a load on a flatbed truck
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3
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166
Phase difference between two light waves of the same frequency
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12
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259
Wave movement and particle movement
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23
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221
Finding focal length from di v. M graph
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1
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130
Finding slip-off angle for mass off of sphere?
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7
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217
Conservation of Momentum FRQ
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7
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401
Need help on a energy question: Hockey puck sliding across the ice
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9
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228
Why Do Capacitors Behave Differently in Series and Parallel Configurations?
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20
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412
Effect of different magnetic fields on a magnetic dipole
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25
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279
Planar Coil Rotating in a Magnetic Field
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1
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170
Electromagnetism problem: Merging of 2 charged drops of mercury
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2
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174
Need help finding uncertainty for this equation
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23
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262
Find the velocity of the stone just before it hits the ground
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16
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296
Two blocks in contact -- find the force between them
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14
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425
Bearing slow down calculation
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4
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151
Help Calculating probability between 2 limits for the ground state
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28
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368
POWER - different approach, different results
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23
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357
Help needed in this problem involving a spring and energy balances
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9
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285
Fluid mechanics problem: The extent to which an iron deposit can influence water level
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10
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469
When does Phobos collide with Mars?
3
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72
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679
Calculation of torque and force on magnetic dipole near infinite wire
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3
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207
Calculation of magnetic dipole moment of the Earth
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8
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174
Final Charge of a Capacitor in a Circuit with Capacitors and Resistors
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9
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319
Does a Slowing Piano Exert More Force Than the Man Pushing It?
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3
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200
Why is a current ring approx a magnetic dipole from very far off?
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7
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232
Where on a rigid body is a resultant force applied?
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11
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228
Prove this equation for projectile motion
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11
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210
How Does Stress Affect a Hollow Pipe When Force Is Uniformly Applied?
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6
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243
Understanding MIT's applet on sound with Fourier coefficients
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3
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206
Find moment arm of resultant force of two forces applied at two points
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3
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221
A sphere suspended from a cord -- Find the tension
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13
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231
How Is Potential Energy Converted to Kinetic Energy in Physical Systems?
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6
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319
Why don't we find the angular magnification of objective lens in microscopes?
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10
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415
Physics 1 Parabolic Motion Question Confusion
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15
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496
Acceleration in uniform circular motion is uniform or non-uniform?
2
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55
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657
Difference between resonance in undamped vs damped mass-spring-dashpot
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17
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379
Amplitude of harmonic oscillation given position and velocity
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4
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224
Modeling a mass falling from one side of the Earth to the other
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1
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195
Elastic Potential Energy - Positive or Negative?
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5
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233
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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217
Help with a Refraction problem that involves light passing through different media
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11
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371
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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431
Elastic potential energy - different methods, different results
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2
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175
Work Done and Acceleration (Mistaken Answers?)
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5
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192
Faraday's law help -- Induced EMF vs. time graph
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7
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306
How can I find the sustain time of an electric guitar?
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7
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261
On what does gravity assist depend? (possibly with sources)
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3
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249
Calculation of the magnetic field of four quarter circles
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12
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329
Magnetic Field Due To Wire Of Semi-Circular Cross Section
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5
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306
Calculate the gravitational force between these three masses
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4
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203
Vectors Directions: Where is this Resultant Vector Pointing?
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14
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326
Momentum Physics Problem: Two astronauts throw billiard balls that collide
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8
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432
Understanding work in translation and rotation of a magnetic dipole
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1
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353
Current through a circuit when the key is open
2
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42
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Current flowing in an open circuit
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9
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393
Change of internal energy during linear transformation
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11
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311
How does one calculate the number of photons striking a surface per second?
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12
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335
Find net external work of a system w/ 2 objects w/ opposite forces
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8
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239
Internal energy won't add up to 0 in cyclic process
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1
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186
Two balls, dropped with a delay of ##\Delta t##, meet after rebound
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34
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698
Static Equilibrium Reaction Question about Fixed Point
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3
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254
Why can we use this approximation in rotational work-kinetic energy theorem for small displacements?
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7
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282
Drawing PV diagram from data
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21
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469
Instantaneous Acceleration Given Equation for Velocity
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7
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270
Minimal rotational kinetic energy for a gyroscope to precess
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33
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How does this potential divider circuit work?
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1
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199
Vertical Mass Spring System | Analyzing work
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18
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267
Understanding relative velocity in 1D elastic collision
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15
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292
Stefan-Boltzmann's Law. How to apply to the Sun
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8
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224
Why Does Surface Tension Allow Bubbles to Form Despite External Pressure?
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3
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245
Optimizing energy expenditure over a race course in cycling
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8
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289
Does levitation distance increase as Fg increase???
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1
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234
Sign of Work (Negative or Positive)
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4
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191
Kinetic energy in center of mass reference frame
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3
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243
Determine speed - derivatives
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20
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413
Work Pulley Problem with constant speed
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2
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217
A ball is thrown w/initial speed vi at an angle 𝜃i with the horizontal
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5
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289
Spinning a Bucket to measure gravity with the parabolic surface of the water
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17
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416
Angular acceleration of plank hanging off edge with a weight
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7
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314
Compare the conductance of an insoluble salt with soluble one
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2
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265
Circuit with potential difference across battery being zero?
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3
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257
Mass hanging on a steel wire
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15
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328
Final velocity of the barbell dropped after a dead lift
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7
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271
How can I calculate the Density and Volume of a mechanical mixture (atoms)?
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6
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270
Why do the headlights on the car become dim when the car is starting?
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4
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269
Why is the Energy Released in Nuclear Decay Equal to the Change in Binding Energies?
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13
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357
Electric field external to Conducting Hollow Sphere with charge inside
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17
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406
Translational Equilibrium Practice problem
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2
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253
Worst-case power consumed by a circuit with MOSFETs
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2
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306
Flux linked with circular coil vs solenoid
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14
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519
Collison between two particles
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17
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370
How force on atom in diatomic molecule varies with distance
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12
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330

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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