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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Energy of particle in simple harmonic motion
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Mirror placed horizontally between two half convex lenses
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Lens Maker's Formula - Confusion in the derivation
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An ornament for a courtyard at a World's Fair is to be made up of four large metal spheres
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135
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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80
Change in apparent magnitude of a star after exploding
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142
How do I correctly analyze the mass balance of a tractor seat?
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112
Doubts on Diodes: Circuit Solving
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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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Tension Question for Ship Container and Wind Gust
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190
Pressure and temperature phase diagrams
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Solving for Work Done When Accelerating a Mass
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138
Question about springs and rotational/translational energy
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196
Atwood's with a cylinder - Rotational Motion
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Question about Rutherford experiment: Which of these could not be concluded?
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437
Equilibrium problem: Multiple forces acting on this hinged, supported beam
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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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224
Friction of a sliding mass on a slope
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161
Is it possible to measure SQRT(2) kg with a scale?
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183
Trying to understand the relationships between Forces, Mass and Inertia
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10
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306
What would the voltmeters measure?
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156
Siren frequency heard by observer when an ambulance passes
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253
How to solve this kind of problem? (Mechanics Theory)
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Energy in simple harmonic motion--car problem
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162
Why am I calculating the unknown mass of ice incorrectly?
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22
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269
Question about absorption line spectra
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21
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416
Debugging a Kelvin Water Dropper
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9
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188
What does it mean that when light is reflected the "wavelengths of each contributing hue are subtracted"?
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513
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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17
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288
Pressure versus stress in uniformly charged sphere
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11
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451
Doubts on Diodes -- Why is voltage shifted by 0.7V?
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7
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256
Angular Momentum Conservation | Velocity at perigee
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8
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220
Circuit with time varying current
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10
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276
Determining the Change in Bulb Brightness by Changing Circuit
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6
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234
What does the middle of a chain on a pulley mean?
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9
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302
Constant acceleration problem: Dog chasing a surprised cat
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13
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297
Two bars connected by a spring on a floor with friction
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37
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Thermodynamics: deriving expression for S = S(T, V, N) - constant problems
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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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5
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240
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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3
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206
Two rods with fixed angle, find the velocity of the crossing point
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Stumped on mathematical proof
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13
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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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371
How can "work" done by a force be negative?
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19
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314
Torque that a grounded infinite sheet exerts on a dipole
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11
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244
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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203
Circular motion question: Mass on a rod rotating in a vertical circle
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4
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219
Calculating Motor Force & Torque
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9
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254
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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13
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256
Finding the direction of forces
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Finding parallel or in-series resistors
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Help needed on mass-energy equivalence
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219
Momentum: instantaneous or average?
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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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421
Why does the PE of particles during steam condensation decrease?
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14
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300
Torque on a sign hung by a hinge
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257
Acceleration of a ball at its max height after being thrown upwards
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11
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259
Oscillation of fluids in a U tube
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A microwave oven of mass 13.0kg is pushed a distance 8.80m up a ramp
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243
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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A household fridge removes heat, determine power the fridge draws
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8
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Find h in the problem involving a stone thrown upwards
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297
Voltage-resistance graph for this circuit with a variable resistance
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4
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219
Work done by a balloon that is rising
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286
Coefficient of friction of a sandwiched body
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15
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295
Kinematics, is this a poorly worded question?
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7
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319
Efficiency of Stirling Cycle - Is it the same as the Carnot Engine?
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14
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517
Circular motion and moment of inertia - circle loop
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29
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436
Pressure question: Weight of a car calculated from tyre contact patch area
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3
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268
Ionic thruster high school science project
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2
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241
Rolling without Slipping Demo
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8
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400
RCL series circuit analysis: Damping Constant
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273
Electric field of a charged disc with a small circle cut out of it
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9
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343
Block tied to a fixed string on an accelerating wedge
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37
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Use of imaginary charge vs Gauss' law
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12
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388
Relation between the velocity vector and the acceleration vector of an object
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238
Issue deriving the third law of thermodynamics
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11
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First Law of Thermo: Audience body heat warming a concert hall
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25
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Rotational Dynamics problem with instantaneous frame of reference
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6
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Distribution of Energy when work is done on a system of 2 masses connected by a spring
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What Does -∂V/∂x Represent in Newton's Law?
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How to approach this question using SUVAT equations?
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8
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343
Confused about kinematic equations
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20
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What is the relationship between tire size and pressure changes?
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13
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521
Moment of Inertia of Solid Sphere - Proof
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3
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Reading of Ammeter for this circuit with Voltage Controlled Resistors
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420

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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