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.
Please explain this suggested solution for the field inside a charged hollow sphere
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Deriving a formula for KE (rolling + projection)
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2
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271
Simple Static 3-Particle Model
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2
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242
I am confused about air density/drag
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12
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513
Problem about non-inertial reference frame
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8
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397
How to calculate the force exerted by the "tendon" on the "tibia" bone?
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4
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483
Range of an object launched on a downward hill
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12
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495
Resistance of three-dimensional objects
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10
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503
How to understand typo in MIT OCW chapter on Poynting vector?
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4
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316
What does having 3d symmetry 2d symmetry and 1d symmetry mean?
2
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36
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888
Spaceship length contraction problem
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4
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255
Measuring Acceleration on a Bike using Phyphox
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33
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755
How does an eddy current brake work exactly?
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2
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876
what the relation between the amplitude magnitude and mass at resonance?
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5
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392
Ion moving through electric potential difference and magnetic field
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8
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750
Direction of travel of a plane wave given direction of electric field
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8
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407
How is centripetal force involved here? (charged mass sliding down a conducting hemisphere)
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31
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463
Mathematical representation of a pulse on a rope
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9
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294
Is This a Series or Parallel Circuit?
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13
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462
Planet moving in elliptical orbit around a star
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13
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382
Why can we add impedances in series?
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4
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619
How to understand the direction of tension in a charged closed ring?
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11
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330
Internal energy of a gas and kinetic energy, "typical velocity"
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5
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375
Damped harmonic oscillation
2
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64
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1K
Question on mirror and lens combinations
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2
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2K
Find the direction and the magnitude of Frictional force
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3
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357
Shortest distance along the shore and into the lake
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6
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458
Magnitude of magnetic field at different points near a capacitor.
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6
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355
How to find voltage across capacitor in RLC circuit?
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3
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556
Vertical circular motion
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8
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539
Can Geiger Counter Ticks be converted into particle/wave counts?
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12
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795
Kinematics: Acceleration of a figure skater changing direction
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16
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587
Find the electric field at a point in 3 dimensional space
2
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50
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893
The electric potential inside a conducting sphere with charge Q
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11
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553
X and Y coordinates of an oscillating object on a spring.
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3
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293
Simultaneous events separated by distance and time
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5
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331
Finding speed of spaceship traveling to star ##a## light years away
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8
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355
Stationary observer meaning in relativity problem
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14
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304
Particle moving at speed ##bc## relative to laboratory frame
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20
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385
Pendulum on moving train
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8
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298
Two cyclists ride between a pair of towns with and against the wind
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17
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591
Universal gravitation’s problem -- Balancing gravitational forces from 2 masses
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3
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271
Prove that the field due to a circular arc is same as its bounded tangent at the centre of curvature
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23
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464
Experimenting whether the diameter of a pot affects boiling time for water
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15
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643
How to obtain amplitude of current in parallel RLC circuit?
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3
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348
Uniform Motion in 2D - A man chasing a bus
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20
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664
Understanding the generic nature of linearity in Physics
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2
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474
Ap physics 1 velocity center of mass question
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4
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346
Self-inductance of LC circuit given rate of capacitor discharge.
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6
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405
Formula for the average EMF of generator
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6
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343
Calculation of current in driven series RLC circuit
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8
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710
Magnetic energy density, self-inductance of coaxial cylindrical shells
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10
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522
Test question: What is true for a mechanical impact?
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7
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585
Find work given two conservative forces and a nonconservative force
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9
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366
Two candles making shadows of one another on opposite walls
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3
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414
Atmospheric pressure and water pressure - Boyle's law
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6
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344
Confused about how forces in a pulley balance
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6
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374
A vertical U tube rotates about the vertical axis -- Find omega to cause this height offset
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15
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363
IPHO classical mechanics: A mass falls on an exoplanet
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2
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406
Electric field & force due to charged insulating hemispherical shells
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12
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614
Induction heat flux density induced by wire in a slab
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0
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342
Non-Uniform Magnetic Field Calculations
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9
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693
Power Radiated From a Copper Cube
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3
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377
Modelling a metal detector using eddy currents from Non-Destructive Testing
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1
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380
Forces on Elliptical Current Carying Loop
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10
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308
Friction Required for Billiard Ball to Roll without Slipping
2
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60
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1K
How to find the potential of a field that has regions of non-zero curl
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3
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395
Sound Wave Diagram Help
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12
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348
Determine the velocity of the Slider
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5
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5K
Building a Marble Catapult
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3
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351
Gauge pressure due to a floating body
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4
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1K
Sign conventions for Kirchhoff's loop rule
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7
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743
Resistance force changing the velocity of an object
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8
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594
Thermodynamics: Cooling of a heated block of iron in contact with air
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29
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747
Work done by power supply to maintain a constant current
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0
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269
Unit vectors that change as a function of time
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13
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386
Electric field at a point inside a non-uniformly charged sphere
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6
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567
Looking for data about different types of carbon fiber chemical properties
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2
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287
Angular momentum conservation on a merry-go-round
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5
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560
Power dissipated over 1 cycle of a AC source-free RLC series circuit?
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6
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415
Angular momentum for a bullet and a rod attached to a ceiling
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17
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507
Force Between 2 Coaxial Current-Carrying Loops
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4
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343
How Long for a Beam of Light to Reach Earth?
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21
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620
Particle confined in 3D box - quantum states
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5
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484
How to Calculate θ3 After Finding θ2 Using Snell's Law?
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9
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271
Electric field vector equation: Finding the neutral point for two charges
2
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35
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766
Find number of microstates of combined system
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22
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585
Experiment measuring the distance dependence of a suspended metal bolt from a magnet
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13
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442
Induction confusion for induced charge inside a metal conductor
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23
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484
Significant figures doubt
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3
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293
What would the slope of the force between 2 charged particles vs 1/r^2 give me?
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1
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244
Gauss' law and the potential V (plane layer case)
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7
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377
Water flowing out of a rotating vessel
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30
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435
Using Kepler's laws to calculate elliptical planetary motion
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7
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493
Help with Friction Forces: Box resting on a board on a frictionless surface
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5
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370
What is the unknown circuit element in RLC circuit given plot of V, I?
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4
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405
Find at what rate the orbit radius will grow
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30
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893
Initial velocity of rolling ball
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2
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4K
Did my textbook make a mistake when writing these units?
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5
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419
Confusion Calculating Young's Modulus
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4
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553

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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