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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147
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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159
How to show 400 neutrinos are present?
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85
Change in apparent magnitude of a star after exploding
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147
How do I correctly analyze the mass balance of a tractor seat?
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117
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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Pressure and temperature phase diagrams
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Solving for Work Done When Accelerating a Mass
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142
Question about springs and rotational/translational energy
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202
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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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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Find the coefficient of stiffness of this spring (with non-negligible mass)
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228
Friction of a sliding mass on a slope
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166
Is it possible to measure SQRT(2) kg with a scale?
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188
Trying to understand the relationships between Forces, Mass and Inertia
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10
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310
What would the voltmeters measure?
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159
Siren frequency heard by observer when an ambulance passes
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257
How to solve this kind of problem? (Mechanics Theory)
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16
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Energy in simple harmonic motion--car problem
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Why am I calculating the unknown mass of ice incorrectly?
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22
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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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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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291
Pressure versus stress in uniformly charged sphere
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11
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454
Doubts on Diodes -- Why is voltage shifted by 0.7V?
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7
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259
Angular Momentum Conservation | Velocity at perigee
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8
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223
Circuit with time varying current
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10
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279
Determining the Change in Bulb Brightness by Changing Circuit
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6
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237
What does the middle of a chain on a pulley mean?
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9
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305
Constant acceleration problem: Dog chasing a surprised cat
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13
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301
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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5
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218
Calculating the sum of displacement vectors
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5
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243
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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211
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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How can "work" done by a force be negative?
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19
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318
Torque that a grounded infinite sheet exerts on a dipole
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11
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247
Two tanks are connected by a valve and line
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248
Spring launcher firing steel balls
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2
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208
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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258
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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Finding the direction of forces
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Finding parallel or in-series resistors
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3
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235
Help needed on mass-energy equivalence
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223
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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424
Why does the PE of particles during steam condensation decrease?
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14
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304
Torque on a sign hung by a hinge
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260
Acceleration of a ball at its max height after being thrown upwards
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262
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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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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300
Voltage-resistance graph for this circuit with a variable resistance
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Work done by a balloon that is rising
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289
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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322
Efficiency of Stirling Cycle - Is it the same as the Carnot Engine?
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14
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520
Circular motion and moment of inertia - circle loop
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29
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440
Pressure question: Weight of a car calculated from tyre contact patch area
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3
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272
Ionic thruster high school science project
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2
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244
Rolling without Slipping Demo
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8
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RCL series circuit analysis: Damping Constant
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276
Electric field of a charged disc with a small circle cut out of it
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9
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347
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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Relation between the velocity vector and the acceleration vector of an object
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241
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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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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588
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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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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Moment of Inertia of Solid Sphere - Proof
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Reading of Ammeter for this circuit with Voltage Controlled Resistors
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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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