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.
Net magnetic force on circuit segment due to 2 parallel wires
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251
Uniform Circular Motion: Tension Force at Top of Circle
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4
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173
Finding the x component of position vector
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3
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174
Frames of Reference: Using tie-downs to hold a load on a flatbed truck
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3
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170
Find the distance a particle travels
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15
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340
A massless disk with an embedded particle rolls down an inclined plane
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17
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425
Wave movement and particle movement
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23
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225
Phase difference between two light waves of the same frequency
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12
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265
Find the phase difference between these two sine waves
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21
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267
Finding slip-off angle for mass off of sphere?
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7
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220
Need help on a energy question: Hockey puck sliding across the ice
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9
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238
Equation of resistance from given graph
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4
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214
Finding focal length from di v. M graph
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1
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137
A wheel of radius r rolls along a curve
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13
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375
Conservation of Momentum FRQ
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7
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416
How did Cavendish find the density of the Earth?
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24
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503
Electromagnetism problem: Merging of 2 charged drops of mercury
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2
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179
Bearing slow down calculation
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4
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155
Need help finding uncertainty for this equation
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23
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272
Find the velocity of the stone just before it hits the ground
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16
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303
Planar Coil Rotating in a Magnetic Field
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1
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175
Effect of different magnetic fields on a magnetic dipole
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25
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285
Intensity of central maximum when width of single slit is doubled
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13
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436
Calculation of magnetic dipole moment of the Earth
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8
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183
Help Calculating probability between 2 limits for the ground state
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28
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376
Why Do Capacitors Behave Differently in Series and Parallel Configurations?
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20
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423
Calculation of torque and force on magnetic dipole near infinite wire
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3
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214
Does a Slowing Piano Exert More Force Than the Man Pushing It?
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3
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203
Final Charge of a Capacitor in a Circuit with Capacitors and Resistors
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9
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335
When does Phobos collide with Mars?
3
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72
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688
Why is a current ring approx a magnetic dipole from very far off?
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7
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239
Help needed in this problem involving a spring and energy balances
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9
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292
Prove this equation for projectile motion
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11
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214
How Does Stress Affect a Hollow Pipe When Force Is Uniformly Applied?
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6
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252
Two blocks in contact -- find the force between them
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14
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435
A sphere suspended from a cord -- Find the tension
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13
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236
Where on a rigid body is a resultant force applied?
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11
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234
Find moment arm of resultant force of two forces applied at two points
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3
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229
Understanding MIT's applet on sound with Fourier coefficients
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3
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212
Fluid mechanics problem: The extent to which an iron deposit can influence water level
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10
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475
How Is Potential Energy Converted to Kinetic Energy in Physical Systems?
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6
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329
POWER - different approach, different results
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23
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364
Difference between resonance in undamped vs damped mass-spring-dashpot
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17
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387
Modeling a mass falling from one side of the Earth to the other
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1
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200
Acceleration in uniform circular motion is uniform or non-uniform?
2
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55
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670
Amplitude of harmonic oscillation given position and velocity
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4
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229
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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220
Elastic Potential Energy - Positive or Negative?
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5
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236
Elastic potential energy - different methods, different results
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2
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178
Work Done and Acceleration (Mistaken Answers?)
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5
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198
On what does gravity assist depend? (possibly with sources)
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3
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258
How can I find the sustain time of an electric guitar?
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7
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266
Magnetic Field Due To Wire Of Semi-Circular Cross Section
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5
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313
Faraday's law help -- Induced EMF vs. time graph
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7
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316
Calculation of the magnetic field of four quarter circles
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12
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334
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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442
Calculate the gravitational force between these three masses
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4
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206
Vectors Directions: Where is this Resultant Vector Pointing?
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14
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331
Understanding work in translation and rotation of a magnetic dipole
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1
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361
Momentum Physics Problem: Two astronauts throw billiard balls that collide
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8
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438
Find net external work of a system w/ 2 objects w/ opposite forces
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8
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243
Internal energy won't add up to 0 in cyclic process
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1
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190
Change of internal energy during linear transformation
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11
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316
Why can we use this approximation in rotational work-kinetic energy theorem for small displacements?
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7
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290
Instantaneous Acceleration Given Equation for Velocity
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7
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279
Static Equilibrium Reaction Question about Fixed Point
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3
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262
Help with a Refraction problem that involves light passing through different media
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11
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377
How does this potential divider circuit work?
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1
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204
How does one calculate the number of photons striking a surface per second?
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12
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346
Vertical Mass Spring System | Analyzing work
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18
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272
Stefan-Boltzmann's Law. How to apply to the Sun
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8
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227
Why Does Surface Tension Allow Bubbles to Form Despite External Pressure?
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3
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257
Optimizing energy expenditure over a race course in cycling
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8
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293
Does levitation distance increase as Fg increase???
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1
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239
Understanding relative velocity in 1D elastic collision
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15
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298
Sign of Work (Negative or Positive)
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4
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194
Kinetic energy in center of mass reference frame
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3
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252
Work Pulley Problem with constant speed
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2
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225
Physics 1 Parabolic Motion Question Confusion
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15
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504
Determine speed - derivatives
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20
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419
Drawing PV diagram from data
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21
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473
A ball is thrown w/initial speed vi at an angle 𝜃i with the horizontal
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5
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294
Spinning a Bucket to measure gravity with the parabolic surface of the water
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17
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430
Angular acceleration of plank hanging off edge with a weight
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7
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322
Mass hanging on a steel wire
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15
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337
Final velocity of the barbell dropped after a dead lift
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7
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274
Circuit with potential difference across battery being zero?
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3
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267
Why do the headlights on the car become dim when the car is starting?
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4
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275
Why is the Energy Released in Nuclear Decay Equal to the Change in Binding Energies?
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13
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362
Electric field external to Conducting Hollow Sphere with charge inside
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17
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416
Translational Equilibrium Practice problem
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2
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262
Collison between two particles
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17
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378
Using energy considerations to analyse particle motion
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3
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279
Compare the conductance of an insoluble salt with soluble one
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2
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269
Dragging an object: what is Fmin and magnitude of acceleration?
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3
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243
How can I calculate the Density and Volume of a mechanical mixture (atoms)?
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6
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276
Comparison between two Tippe tops
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1
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192
Using energy considerations to determine speed
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4
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217
How force on atom in diatomic molecule varies with distance
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12
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336
Why does mass not affect sliding speed down an inclined plane?
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4
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285

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.

By offering explanations, examples, and guidance on physics problems, this service helps students grasp the basic principles of the subject, fostering a solid foundation for more advanced physics studies.

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