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.
Position and acceleration in simple harmonic motion given velocity
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323
Rigid Body problem please help
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13
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292
Equilibrium problem: Calculate the tension of each cord
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8
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284
I Thought I Understood Gauss' Law (Sheets)
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26
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441
Determining field between oppositely charged conducting plates
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6
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219
Coefficient of kinetic friction of a block sliding across the ceiling
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7
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248
Understanding the Proper Uncertainty Formula to Use
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4
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200
A water-bottle demonstration of atmospheric pressure
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6
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228
Moment of inertia of a cuboid parallel to one of its faces (repost with diagram)
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25
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347
Average velocity for two different types of motion along same path
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22
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432
Heater power keeping a room constantly warm from low temperatures outside
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9
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237
Power delivered to wheels of car with constant air resistance
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3
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217
Angular frequency of two hanging bobs of different masses
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12
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180
Two concentric conducting spherical shells and resistor in between
2
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44
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693
Linearizing a circuit with a nonlinear element
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1
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136
Work done by friction on a hockey puck
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4
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228
Work done on crate moving on incline
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28
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353
What does a Zener diode do in a circuit with non-ideal voltage source?
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3
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171
Half life of multi chain decays
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2
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123
Find thermal capacity of a Van der Waals gas
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31
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518
Tension in a bungee cord
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15
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296
An optics question concerning pictures taken by camera
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27
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326
'Police Car Catching Up' problem in kinematics
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16
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324
Solving for φ on an oscillation problem
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17
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344
Two dimensional motion problem (kicking a soccer ball into the goal)
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3
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187
Potential and Electric Field near a Charged CD Disk
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2
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260
(Help) Surface charge density (σ) for particle to hit plate...
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4
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162
Electric field strength and direction problem (need help)
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6
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213
Moments question help requested, unsure where I went wrong
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4
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173
Relativity: Cosmic ray proton traveling to Earth
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12
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232
Minimizing the Energy of Two Conductors Very Far Apart
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23
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266
How to assign signs to energy?
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18
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343
Elastic collision with a massless box
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5
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200
Electric field on the axis of a ring-shaped charged conductor
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1
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179
Moment of inertia of a rectangular prism parallel to one face
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11
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239
Find the transit time of the train
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23
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302
British physics olympiad problem: A ball bearing bouncing off a steel cylinder
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2
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181
Question about the thermodynamic temperature scale
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2
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167
Why can we model spherical capacitor with two dielectrics as two capacitors in series?
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4
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246
Conservation of Energy with springs
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13
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197
Force on a charge from a nearby charged rod
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2
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188
Is my textbook wrong about absolute uncertainties?
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2
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214
Kinematics, curvilinear motion (a couple of questions)
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30
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388
Semi-circular charged rods
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7
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286
What is the max amplitude before the sand particles slip off the vibrating plate?
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13
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243
Sign conventions for Kirchhoff's loop rule
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6
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212
Help with this integral on page 34 of Analytical Mechanics by John Bohn
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4
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218
Help please with my understanding the solution of this mass on a vertical spring
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10
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418
Motion of a Parachuter (Terminal Velocity, Time of Flight, Distance)
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10
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219
What is the y-component of the force by the floor on her during the collision?
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15
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231
Max distance a truck can travel without box falling off
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10
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424
Difficult problem in Rotational Mechanics JEE 2017 Comprehension paper
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1
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179
Distance-time graph of a ball throw vertically up from a fixed point
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5
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190
Find tension in string between two blocks on horizontal surface
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4
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247
Solved: Help with a block sliding down an Inclined platform
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17
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265
Free fall kinematics problem
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22
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289
Find the coefficient of friction and acceleration with masses given
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7
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211
Two different dielectrics between parallel-plate capacitor
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6
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224
Electric Field of two charges
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28
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440
How to answer this question, 21-cm emission line
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2
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256
Uncertainty Error and Significant Figures in this Force Tables Lab
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4
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360
Constrained motion of a ring along a horizontal rod
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17
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341
A 3.5 nC charge is at the origin and a -10 nC charge is at x = 2 cm
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5
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225
Charge on inner/outer surfaces of two large parallel conducting plates
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11
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279
Rating speeds from least to greatest from a position time graph
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1
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182
Gravitation Potential Energy -- Questions about calculating the sign of GPE
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2
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191
Calculating Time Dilation for Space Travelers
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4
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231
How many independent components does a tensor have?
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18
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379
Derivation Of Torque On Current Loop Due To Uniform Magnetic Field
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4
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255
Understanding Inductance and Induced EMF in Simple Circuits
2
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49
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898
Direction of the magnetic needle
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11
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373
Band diagram in an LED
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1
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267
Potential Mistake in Free-Body Diagram
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5
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349
Errors in Experiment with Low and High Conductivity Materials
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2
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244
State Space Representation of a 1D Point Mass Floating in Space and Actuated by Two Lateral Thrusters
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7
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210
A confused Compass Needle between two solenoids
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31
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466
Magnetic field pointing into a normal magnetized compass needle
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16
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324
Deduction about Magnetic Poles surrounding a Conductor
2
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40
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725
Tension Question with One Mass and Two Pulleys
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7
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259
SHM vertical spring problem
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3
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214
Hamiltonian Function thru new Variables Q,P -- Show that Q is cyclic
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5
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199
Stretching of a rotating spring
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8
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262
A Question about the Double Atwood Machine
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16
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660
Why is mechanical energy not conserved in this setup? (frictionless spinning cylinder's motion is changed)
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6
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259
E&M: Forces resulting from Charges at the Corners of a Cube
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13
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416
Compare the ratio of two times t1/t2 in this vertical jump
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3
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231
Centripetal Acceleration while Swinging a Stone on a String
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9
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302
Homework help: Dropping a sand bag from a Hot Air Balloon
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3
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249
Physics Torque Equilbrium Question
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11
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276
Longitudinal Stress of a body
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34
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635
Homework Help - Fluid Statics
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6
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314
Tipping a container of water
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8
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250
Feynman's Lectures exercise about Newton's laws
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13
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460
Air pressure changes in a vessel as the vessel volume increases
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8
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242
Quantum Mechanics I, finding impuls wavefunction.
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6
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214
Syntax Error? x and y components of E field in unit vector form
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13
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499
Direction of current as bar magnet moves uniformly through copper ring
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3
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226
Questions about what a question is asking
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5
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269
Time interval between intermediate passing of two rods....
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15
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1K
Intensity and electric field amplitude
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7
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1K

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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