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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Focussing a collimated beam using a diffraction grating
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Vertical spring & maximum length
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Lens Maker's Formula - Confusion in the derivation
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Energy of particle in simple harmonic motion
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292
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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How do I correctly analyze the mass balance of a tractor seat?
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132
Doubts on Diodes: Circuit Solving
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Just looking for confirmation for a torque calculation
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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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151
Question about springs and rotational/translational energy
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215
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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184
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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238
Friction of a sliding mass on a slope
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176
Is it possible to measure SQRT(2) kg with a scale?
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201
Trying to understand the relationships between Forces, Mass and Inertia
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322
What would the voltmeters measure?
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168
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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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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284
Question about absorption line spectra
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21
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432
Debugging a Kelvin Water Dropper
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9
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202
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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524
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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Pressure versus stress in uniformly charged sphere
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11
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Doubts on Diodes -- Why is voltage shifted by 0.7V?
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7
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271
Angular Momentum Conservation | Velocity at perigee
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8
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234
Circuit with time varying current
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10
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290
Determining the Change in Bulb Brightness by Changing Circuit
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248
What does the middle of a chain on a pulley mean?
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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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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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252
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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208
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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391
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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257
Two tanks are connected by a valve and line
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Spring launcher firing steel balls
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Circular motion question: Mass on a rod rotating in a vertical circle
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Calculating Motor Force & Torque
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Bead on a rod which is being pulled by an ideal string with velocity v
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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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Help needed on mass-energy equivalence
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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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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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257
Free-body diagram: Spring-loaded cylinder sliding on a metal rod
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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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Find h in the problem involving a stone thrown upwards
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309
Voltage-resistance graph for this circuit with a variable resistance
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234
Work done by a balloon that is rising
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299
Coefficient of friction of a sandwiched body
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Kinematics, is this a poorly worded question?
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331
Efficiency of Stirling Cycle - Is it the same as the Carnot Engine?
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526
Circular motion and moment of inertia - circle loop
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29
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Pressure question: Weight of a car calculated from tyre contact patch area
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3
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280
Ionic thruster high school science project
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2
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255
Rolling without Slipping Demo
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414
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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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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248
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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628
Rotational Dynamics problem with instantaneous frame of reference
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6
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419
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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