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.
Deriving a formula for KE (rolling + projection)
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634
Simple Static 3-Particle Model
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475
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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896
How to calculate the force exerted by the "tendon" on the "tibia" bone?
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4
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981
Range of an object launched on a downward hill
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12
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923
Resistance of three-dimensional objects
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10
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888
How to understand typo in MIT OCW chapter on Poynting vector?
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742
What does having 3d symmetry 2d symmetry and 1d symmetry mean?
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36
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Spaceship length contraction problem
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497
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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892
Ion moving through electric potential difference and magnetic field
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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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620
Is This a Series or Parallel Circuit?
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13
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946
Planet moving in elliptical orbit around a star
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834
Why can we add impedances in series?
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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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736
Internal energy of a gas and kinetic energy, "typical velocity"
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5
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803
Damped harmonic oscillation
2
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64
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Question on mirror and lens combinations
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2
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3K
Find the direction and the magnitude of Frictional force
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3
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794
Shortest distance along the shore and into the lake
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6
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937
Magnitude of magnetic field at different points near a capacitor.
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6
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954
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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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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592
Simultaneous events separated by distance and time
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5
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620
Finding speed of spaceship traveling to star ##a## light years away
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8
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696
Stationary observer meaning in relativity problem
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14
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659
Particle moving at speed ##bc## relative to laboratory frame
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20
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787
Pendulum on moving train
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8
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718
Two cyclists ride between a pair of towns with and against the wind
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17
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1K
Universal gravitation’s problem -- Balancing gravitational forces from 2 masses
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3
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521
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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737
Uniform Motion in 2D - A man chasing a bus
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20
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Understanding the generic nature of linearity in Physics
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2
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990
Ap physics 1 velocity center of mass question
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4
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657
Self-inductance of LC circuit given rate of capacitor discharge.
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6
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907
Formula for the average EMF of generator
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6
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794
Calculation of current in driven series RLC circuit
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8
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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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833
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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823
Confused about how forces in a pulley balance
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6
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939
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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852
IPHO classical mechanics: A mass falls on an exoplanet
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2
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839
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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817
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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835
Modelling a metal detector using eddy currents from Non-Destructive Testing
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1
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905
Forces on Elliptical Current Carying Loop
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10
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704
Friction Required for Billiard Ball to Roll without Slipping
2
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60
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How to find the potential of a field that has regions of non-zero curl
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3
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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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894
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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Work done by power supply to maintain a constant current
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557
Unit vectors that change as a function of time
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13
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760
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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523
Angular momentum conservation on a merry-go-round
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Power dissipated over 1 cycle of a AC source-free RLC series circuit?
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6
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774
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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4
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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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5
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How to Calculate θ3 After Finding θ2 Using Snell's Law?
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9
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600
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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882
Induction confusion for induced charge inside a metal conductor
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23
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Significant figures doubt
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3
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591
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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557
Gauss' law and the potential V (plane layer case)
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7
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770
Water flowing out of a rotating vessel
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30
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967
Using Kepler's laws to calculate elliptical planetary motion
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7
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Help with Friction Forces: Box resting on a board on a frictionless surface
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5
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What is the unknown circuit element in RLC circuit given plot of V, I?
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4
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816
Find at what rate the orbit radius will grow
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Initial velocity of rolling ball
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2
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5K
Did my textbook make a mistake when writing these units?
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5
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774
Fresnel Lens - Solve for Lithography & Power
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539
Physics about electric circuits: Changing the resistors changes the currents
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3
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789

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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