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.
Lagrangian for a rod pivoting at the end of a clock hand
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Electric field external to Conducting Hollow Sphere with charge inside
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23
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Lorentz force and induced electric field
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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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636
Simple Static 3-Particle Model
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2
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476
I am confused about air density/drag
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12
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1K
Problem about non-inertial reference frame
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8
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900
How to calculate the force exerted by the "tendon" on the "tibia" bone?
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4
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984
Range of an object launched on a downward hill
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12
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924
Resistance of three-dimensional objects
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10
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890
How to understand typo in MIT OCW chapter on Poynting vector?
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4
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745
What does having 3d symmetry 2d symmetry and 1d symmetry mean?
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Spaceship length contraction problem
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4
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498
Measuring Acceleration on a Bike using Phyphox
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How does an eddy current brake work exactly?
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what the relation between the amplitude magnitude and mass at resonance?
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894
Ion moving through electric potential difference and magnetic field
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1K
Direction of travel of a plane wave given direction of electric field
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How is centripetal force involved here? (charged mass sliding down a conducting hemisphere)
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Mathematical representation of a pulse on a rope
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624
Is This a Series or Parallel Circuit?
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13
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953
Planet moving in elliptical orbit around a star
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13
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839
Why can we add impedances in series?
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4
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1K
How to understand the direction of tension in a charged closed ring?
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11
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739
Internal energy of a gas and kinetic energy, "typical velocity"
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5
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804
Damped harmonic oscillation
2
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64
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3K
Question on mirror and lens combinations
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Find the direction and the magnitude of Frictional force
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3
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795
Shortest distance along the shore and into the lake
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6
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938
Magnitude of magnetic field at different points near a capacitor.
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6
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956
How to find voltage across capacitor in RLC circuit?
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3
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1K
Vertical circular motion
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8
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2K
Can Geiger Counter Ticks be converted into particle/wave counts?
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12
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2K
Kinematics: Acceleration of a figure skater changing direction
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16
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1K
Find the electric field at a point in 3 dimensional space
2
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50
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2K
The electric potential inside a conducting sphere with charge Q
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11
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2K
X and Y coordinates of an oscillating object on a spring.
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3
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594
Simultaneous events separated by distance and time
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5
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625
Finding speed of spaceship traveling to star ##a## light years away
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8
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697
Stationary observer meaning in relativity problem
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14
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660
Particle moving at speed ##bc## relative to laboratory frame
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20
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792
Pendulum on moving train
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8
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720
Two cyclists ride between a pair of towns with and against the wind
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17
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Universal gravitation’s problem -- Balancing gravitational forces from 2 masses
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3
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522
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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1K
Experimenting whether the diameter of a pot affects boiling time for water
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15
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2K
How to obtain amplitude of current in parallel RLC circuit?
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3
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739
Uniform Motion in 2D - A man chasing a bus
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20
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1K
Understanding the generic nature of linearity in Physics
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2
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992
Ap physics 1 velocity center of mass question
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4
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661
Self-inductance of LC circuit given rate of capacitor discharge.
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6
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910
Formula for the average EMF of generator
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6
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798
Calculation of current in driven series RLC circuit
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8
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2K
Magnetic energy density, self-inductance of coaxial cylindrical shells
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10
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1K
Test question: What is true for a mechanical impact?
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7
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1K
Find work given two conservative forces and a nonconservative force
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9
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836
Two candles making shadows of one another on opposite walls
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3
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1K
Atmospheric pressure and water pressure - Boyle's law
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6
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824
Confused about how forces in a pulley balance
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6
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942
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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854
IPHO classical mechanics: A mass falls on an exoplanet
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2
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840
Electric field & force due to charged insulating hemispherical shells
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12
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2K
Induction heat flux density induced by wire in a slab
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0
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818
Non-Uniform Magnetic Field Calculations
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9
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2K
Power Radiated From a Copper Cube
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3
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839
Modelling a metal detector using eddy currents from Non-Destructive Testing
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1
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907
Forces on Elliptical Current Carying Loop
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10
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708
Friction Required for Billiard Ball to Roll without Slipping
2
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60
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4K
How to find the potential of a field that has regions of non-zero curl
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3
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977
Sound Wave Diagram Help
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12
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1K
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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898
Gauge pressure due to a floating body
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4
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2K
Sign conventions for Kirchhoff's loop rule
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7
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1K
Resistance force changing the velocity of an object
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8
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1K
Thermodynamics: Cooling of a heated block of iron in contact with air
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29
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1K
Work done by power supply to maintain a constant current
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0
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557
Unit vectors that change as a function of time
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13
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764
Electric field at a point inside a non-uniformly charged sphere
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6
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1K
Looking for data about different types of carbon fiber chemical properties
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525
Angular momentum conservation on a merry-go-round
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5
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2K
Power dissipated over 1 cycle of a AC source-free RLC series circuit?
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6
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778
Angular momentum for a bullet and a rod attached to a ceiling
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Force Between 2 Coaxial Current-Carrying Loops
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How Long for a Beam of Light to Reach Earth?
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21
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Particle confined in 3D box - quantum states
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How to Calculate θ3 After Finding θ2 Using Snell's Law?
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9
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603
Electric field vector equation: Finding the neutral point for two charges
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35
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Find number of microstates of combined system
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22
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Experiment measuring the distance dependence of a suspended metal bolt from a magnet
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13
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885
Induction confusion for induced charge inside a metal conductor
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23
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945
Significant figures doubt
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3
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594
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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561
Gauss' law and the potential V (plane layer case)
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7
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771
Water flowing out of a rotating vessel
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30
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971
Using Kepler's laws to calculate elliptical planetary motion
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7
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1K
Help with Friction Forces: Box resting on a board on a frictionless surface
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5
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1K
What is the unknown circuit element in RLC circuit given plot of V, I?
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4
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818
Find at what rate the orbit radius will grow
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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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