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.
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Homework Help Guidelines for Students and Helpers
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Hey I posted in homework help but now it's gone
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Homework Help: Introductory Physics Formulary
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Pulley Problem on an Inclined Surface Using Energy Methods
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What is the tension in a charged ring?
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Work done by gravity on a hanging chain?
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Pseudo Forces on a Mass in a Groove on a Rotating Disc
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Vertical Wall approaching Man - Impulse and Momentum Conservation
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10
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How to calculate the moment of inertia of a rectangular cuboid?
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Potential energy of an electrostatic system in equilibrium
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Entropy Change Confusion
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Gauss' Law: Conductor, Insulator, Electric Field
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7
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Ambiguous question on momentum and how it works...
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Find speed of CoM after collision between ball and "square structure"
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27
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Find the work done by a spring using potential energy considerations
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Relationship between pressure and temperature for liquids
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Archived Displacement and Momentum, particle in cathode ray tube with variables
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IBDP Extended Essay Ideas -- Help please
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Calculating Oscillation Period and Spring Energy in a Three-Mass System
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Electric Field of a Toroid carrying a changing current I = kt on axis
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Pulley system problem: 6 Pulleys and 1 Mass
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Signs in torque - different analyses using different sign notations?
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Why is the slope steeper in the given diagram?
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Are the 2nd and 3rd problems in this video correctly solved? (charged dipole and organ pipe problems)
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285
Mirror placed horizontally between two half convex lenses
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11
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Billiard Ball, Conservation of Angular Momentum, Force below CM point
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6
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215
Two vertical bars are connected at the bottom via resistance......
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250
What average power does the boy need to produce?
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202
Projectile motion of two balls off a cliff
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4
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Focussing a collimated beam using a diffraction grating
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Vertical spring & maximum length
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193
Lens Maker's Formula - Confusion in the derivation
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15
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Energy of particle in simple harmonic motion
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475
An ornament for a courtyard at a World's Fair is to be made up of four large metal spheres
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Springs and Pulleys - Force analysis
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Confusion Calculating Young's Modulus
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Looking at the color vs line spectrum
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How can I calculate the uncertainty of the mean with Gaussian error propagation?
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How to show 400 neutrinos are present?
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Change in apparent magnitude of a star after exploding
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3
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245
How do I correctly analyze the mass balance of a tractor seat?
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3
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Doubts on Diodes: Circuit Solving
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9
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415
Just looking for confirmation for a torque calculation
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60
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I solved few questions on kinematics -- Is my working correct?
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10
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Tension Question for Ship Container and Wind Gust
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12
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290
Pressure and temperature phase diagrams
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6
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Solving for Work Done When Accelerating a Mass
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3
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238
Question about springs and rotational/translational energy
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4
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333
Atwood's with a cylinder - Rotational Motion
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12
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288
Question about Rutherford experiment: Which of these could not be concluded?
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12
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Equilibrium problem: Multiple forces acting on this hinged, supported beam
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3
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Freefall chord through the Earth -- calculus proof
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41
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Find the coefficient of stiffness of this spring (with non-negligible mass)
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9
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323
Friction of a sliding mass on a slope
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Is it possible to measure SQRT(2) kg with a scale?
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288
Trying to understand the relationships between Forces, Mass and Inertia
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What would the voltmeters measure?
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7
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255
Siren frequency heard by observer when an ambulance passes
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How to solve this kind of problem? (Mechanics Theory)
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16
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509
Energy in simple harmonic motion--car problem
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261
Why am I calculating the unknown mass of ice incorrectly?
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22
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369
Question about absorption line spectra
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21
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Debugging a Kelvin Water Dropper
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What does it mean that when light is reflected the "wavelengths of each contributing hue are subtracted"?
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16
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Newton's 3rd Law of Motion: Is the Punching Bag punching back?
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Oscillatory motion problem: Bicycle wheel rotation oscillation
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Pressure versus stress in uniformly charged sphere
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Doubts on Diodes -- Why is voltage shifted by 0.7V?
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7
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Angular Momentum Conservation | Velocity at perigee
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Circuit with time varying current
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10
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Determining the Change in Bulb Brightness by Changing Circuit
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348
What does the middle of a chain on a pulley mean?
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9
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Constant acceleration problem: Dog chasing a surprised cat
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Two bars connected by a spring on a floor with friction
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The derivative of the dot product "distributes" over each vector
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Calculating the sum of displacement vectors
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A problem about the laws of conservation: Bullet colliding with a wood block
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28
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Force on a point charge near a uniformly charged rod
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Two rods with fixed angle, find the velocity of the crossing point
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Stumped on mathematical proof
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A 50 cubic foot tank contains saturated 134a at 100F and a quality of 50%
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11
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481
How can "work" done by a force be negative?
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Torque that a grounded infinite sheet exerts on a dipole
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11
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342
Two tanks are connected by a valve and line
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Spring launcher firing steel balls
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2
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320
Circular motion question: Mass on a rod rotating in a vertical circle
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Calculating Motor Force & Torque
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341
Bead on a rod which is being pulled by an ideal string with velocity v
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27
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Appliance plug connected wrongly: live neutral earth
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Finding the direction of forces
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5
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Finding parallel or in-series resistors
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3
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333
Help needed on mass-energy equivalence
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7
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310
Momentum: instantaneous or average?
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9
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Derivation process of Selection Rule of hydrogenic atom
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A question about the perpendicular vector
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Trouble understanding frames in relativity
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Why does the PE of particles during steam condensation decrease?
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14
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402
Torque on a sign hung by a hinge
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350
Acceleration of a ball at its max height after being thrown upwards
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11
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353
Oscillation of fluids in a U tube
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17
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A microwave oven of mass 13.0kg is pushed a distance 8.80m up a ramp
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2
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344
Free-body diagram: Spring-loaded cylinder sliding on a metal rod
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34
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A 2.8-kg block slides over the smooth icy hill -- Find the minimum speed to clear the pit
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339

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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