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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Mirror placed horizontally between two half convex lenses
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Projectile motion of two balls off a cliff
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What average power does the boy need to produce?
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10
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Focussing a collimated beam using a diffraction grating
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Vertical spring & maximum length
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6
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75
Lens Maker's Formula - Confusion in the derivation
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15
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213
Energy of particle in simple harmonic motion
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280
An ornament for a courtyard at a World's Fair is to be made up of four large metal spheres
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7
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166
Springs and Pulleys - Force analysis
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310
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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90
Change in apparent magnitude of a star after exploding
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156
How do I correctly analyze the mass balance of a tractor seat?
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128
Doubts on Diodes: Circuit Solving
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271
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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Pressure and temperature phase diagrams
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Solving for Work Done When Accelerating a Mass
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3
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150
Question about springs and rotational/translational energy
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212
Atwood's with a cylinder - Rotational Motion
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12
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202
Question about Rutherford experiment: Which of these could not be concluded?
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459
Equilibrium problem: Multiple forces acting on this hinged, supported beam
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181
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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236
Friction of a sliding mass on a slope
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173
Is it possible to measure SQRT(2) kg with a scale?
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197
Trying to understand the relationships between Forces, Mass and Inertia
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10
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319
What would the voltmeters measure?
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7
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167
Siren frequency heard by observer when an ambulance passes
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265
How to solve this kind of problem? (Mechanics Theory)
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Energy in simple harmonic motion--car problem
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175
Why am I calculating the unknown mass of ice incorrectly?
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22
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282
Question about absorption line spectra
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21
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428
Debugging a Kelvin Water Dropper
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9
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198
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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523
Newton's 3rd Law of Motion: Is the Punching Bag punching back?
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220
Oscillatory motion problem: Bicycle wheel rotation oscillation
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17
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Pressure versus stress in uniformly charged sphere
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11
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460
Doubts on Diodes -- Why is voltage shifted by 0.7V?
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7
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268
Angular Momentum Conservation | Velocity at perigee
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8
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230
Circuit with time varying current
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10
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286
Determining the Change in Bulb Brightness by Changing Circuit
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6
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246
What does the middle of a chain on a pulley mean?
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9
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314
Constant acceleration problem: Dog chasing a surprised cat
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13
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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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270
The derivative of the dot product "distributes" over each vector
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224
Calculating the sum of displacement vectors
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249
A problem about the laws of conservation: Bullet colliding with a wood block
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28
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238
Force on a point charge near a uniformly charged rod
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3
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219
Two rods with fixed angle, find the velocity of the crossing point
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1
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206
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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385
How can "work" done by a force be negative?
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19
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328
Torque that a grounded infinite sheet exerts on a dipole
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254
Two tanks are connected by a valve and line
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Spring launcher firing steel balls
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215
Circular motion question: Mass on a rod rotating in a vertical circle
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4
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Calculating Motor Force & Torque
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264
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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Finding parallel or in-series resistors
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244
Help needed on mass-energy equivalence
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7
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231
Momentum: instantaneous or average?
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9
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361
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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Torque on a sign hung by a hinge
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Acceleration of a ball at its max height after being thrown upwards
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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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253
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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335
Find h in the problem involving a stone thrown upwards
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307
Voltage-resistance graph for this circuit with a variable resistance
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4
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231
Work done by a balloon that is rising
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296
Coefficient of friction of a sandwiched body
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15
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Kinematics, is this a poorly worded question?
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7
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329
Efficiency of Stirling Cycle - Is it the same as the Carnot Engine?
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14
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525
Circular motion and moment of inertia - circle loop
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29
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447
Pressure question: Weight of a car calculated from tyre contact patch area
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3
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278
Ionic thruster high school science project
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2
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252
Rolling without Slipping Demo
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8
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410
RCL series circuit analysis: Damping Constant
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Electric field of a charged disc with a small circle cut out of it
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353
Block tied to a fixed string on an accelerating wedge
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Use of imaginary charge vs Gauss' law
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Relation between the velocity vector and the acceleration vector of an object
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247
Issue deriving the third law of thermodynamics
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11
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572
First Law of Thermo: Audience body heat warming a concert hall
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25
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627
Rotational Dynamics problem with instantaneous frame of reference
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6
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418
Distribution of Energy when work is done on a system of 2 masses connected by a spring
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17
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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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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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