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.
Ion moving through electric potential difference and magnetic field
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6
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165
Finding critical angle: not sure which one is correct
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13
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200
Origin of repulsive force on a magnet approaching conducting ring?
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5
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222
A wheel of radius r rolls along a curve
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13
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361
Electronic Circuits - Calculate voltage
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4
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339
Newton's third law and weight
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13
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244
Query related to Two-Dimensional Motion
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9
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230
Camera drone and speed of air below it
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5
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168
Graph of viscous force and velocity
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15
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210
Projectile motion, initial height and range given, find initial velocity
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8
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573
Need to derive a formula for the number of red giants
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8
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297
Question about time dilation
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22
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239
Derive trig equations 4, 5, and 6 from 1, 2, and 3
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13
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2K
Friction - same direction as motion?
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10
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298
Center of mass acceleration for an inclined plane and mass m
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18
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309
A jet problem -- How hard to pull back on the controls to avoid colliding with a hill?
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2
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169
How Does Coriolis Force Influence Particle Motion in Rotating Systems?
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3
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202
2 Masses attached by a spring in the vertical axis
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8
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241
Minimum work done to push the cube over
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14
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257
Gauss' Law for a conducting / non-conducting sheet
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5
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228
Feynman Diagram of Meson decay
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8
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222
Find the value of ##t## when ##P## returns to ##X##- Kinematics
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25
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1K
Find the tension in the rope PQ
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7
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188
How Do You Correctly Cancel Angular Momentum in Physics Problems?
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3
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223
Question about acceleration of free fall
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23
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352
Calculate voltage over capacitor and resistance
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7
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205
Solve the problem involving the velocity - time graph
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3
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170
Find in terms of ##h## when ##P## comes instantaneously to rest
2
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35
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601
Question about the energy of 2 blocks with a spring between them
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12
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212
Work done on a conveyor belt
2
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53
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486
Find the initial velocity ##U##
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3
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161
Bungee jumper: energy changes
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7
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143
2 Masses and a Wheel (with mass)
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6
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161
Horizontal force by block on a beam
2
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45
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548
Calculate the frequency of rotation when a coin flies off a turntable
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8
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200
Trouble solving for end state of two control volumes in a rigid tank
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12
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857
Help again in interpreting a pulley with a spring and a block
2
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52
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642
Find the value of ##T## and distance of particle in the first ##4## seconds
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2
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178
A small disk and a bigger half disk
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9
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187
Making sense of sequence of ideas in MIT OCW's 8.02 notes on Faraday
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1
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160
Rotating ball and string Rotational Kinetic Energy?
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6
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7K
Finding spring constant k based on diagram -- Don't understand how to interpret force as drawn
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5
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182
What is the induced magnetic force on this closed current loop?
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12
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208
Calculating the spring force constant K
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14
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357
Determining Inductance L in an LC Circuit
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5
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230
Power, force, velocity and tension...
2
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38
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449
How Do Power, Force, and Velocity Interact?
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14
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202
The ratio between two horizontal speeds in this pendulum arrangement
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1
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125
Inelastic collision of two squares
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14
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204
Two bodies connected with an elastic thread moving with friction
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6
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237
How to obtain correct negative sign in calculation of motional emf?
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2
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193
Normal force at the base of a ladder
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20
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330
How Does Spring Compression Relate to Energy Changes?
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4
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172
Arrow being fired to centre of target
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6
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151
Change in the kinetic energy of a car driving up a hill
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3
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187
Horizontal force on hinge is affected by moving the block farther away?
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11
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193
Need help interpreting a spring-block problem
2
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35
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572
Force components for mass attached to two springs
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15
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270
Molecular speed distribution - most probable speed V
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13
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239
Which way does this coil turn in a magnetic field?
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2
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166
Compare rotational inertia of 2 paper cups in 2 diff orientations
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12
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238
Are the Force Equations for Rotational Motion Accurate?
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24
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270
Particle projected from above a dome
2
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38
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542
Avg Power in a Rotational Energy/Work Problem
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6
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240
Centripetal force - Ferris wheel... Opposite results
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8
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238
Why Does Light Diminish with a Phase Difference of 5λ?
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6
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206
Rolling Disk: dynamics versus energy analysis
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9
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203
Please help with this physics experiment -- Water leaking out of inverted water bottle
2
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55
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941
What is the time taken by a pulse generated at the bottom of a string to reach the top?
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8
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313
Determine the velocity of a package dropped from a satellite
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6
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240
Finding force between solenoid and magnet
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2
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157
Elliptical motion in polar coordinates
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10
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268
Unpredicted axis of rotation
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5
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249
Cantilevered and line-loaded steel beam
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19
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396
Proving the gravitational force of a solid sphere using integration
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5
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195
Escape Velocity from Earth starting from its Centre
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27
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424
I solved few questions on kinematics -- Is my working correct?
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4
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5K
Why Is Deriving the Motion Formula for Hoops More Complex?
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4
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204
Electron motion on axis of a charged ring
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7
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190
Work energy theorem problem -- Block sliding up a curved incline
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10
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323
For a translating block with slipping find the maximum force F
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2
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159
Fundamental electrokinetics problem calculation using Ohm's Law
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4
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176
Direction of electric field vector on the surface of charged conductor
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9
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263
Rolling Motion (Stone Gets Stuck in a Tire Going Forward)
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10
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223
Resonance of a cube floating on water under external force
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8
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210
Verifying that Newton's Equations are equivalent to the EL equations
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15
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293
Coulomb's law and energy - potential energy
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5
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145
Velocities of four masses | Conservation of Momentum
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7
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208
How Does a Pulley System Affect Scale Readings?
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8
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176
Intensity of central maximum when width of single slit is doubled
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13
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431
Deriving ODEs for straight lines in polar coordinates for a given Lagrangian
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8
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240
Force on rectangular loop by a current in a long straight wire
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4
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280
Net magnetic force on circuit segment due to 2 parallel wires
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6
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246
Measurements Calculation Problem
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3
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197
A massless disk with an embedded particle rolls down an inclined plane
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17
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423
Torque question in Deltoid muscle
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7
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203
Is this projectile motion situation possible?
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6
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200
How did Cavendish find the density of the Earth?
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24
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500
Average momentum of an avalanche
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5
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171
Finding the constants of the general approximate solution to a double pendulum
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1
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145

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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