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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Max inversion temperature for a gas (dieterici’s e.o.s.)
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Concept about photoelectric effect
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Angle that makes kinetic and potential energy of simple pendulum equal
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Introduce a battery to an LR circuit
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Planar pendulum with rotating pivot
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Lagrangian for a rod pivoting at the end of a clock hand
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38
Lagrangian of a block on an inclined plane
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15
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Sheet of charge - theory
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Cables, pulleys, 2 weights
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4
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Balmer series experiment
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Spherical pendulum confusion [Issue resolved]
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Launch service between two stations along a flowing river
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21
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Book plots position & force on the same graph, still gets right answer
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Why is source force + electrostatic force = 0 inside battery?
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Relativistic motion and length contraction
2
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Circular motion doubt: Angular velocity vector for general planar motion about a point in the plane
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6
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86
Critical frequency of Faraday Waves?
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192
Find starting velocity from golfer launching ball
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Why is the electric field inside a conducting hollow/filled sphere zero?
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Slope of N - t graph of radioactive decay
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Question about Feynman diagram showing annihilation
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Coupled oscillator question
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58
Tension in a Two-Crate System on a Frictionless Surface
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101
Forces at play in a pendulum (conceptual doubt)
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133
How do I fix the signs in Faraday's Law in RL Circuit?
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5
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111
Resistivity calculation from two-probe resistance measurement of sheet
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2
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77
Simple pendulum with moving support
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4
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86
change in the unit vectors
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10
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Coupled pendulum-spring system
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Field transformations in the z-direction
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Pendulum attached to a rotating vertical disk
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The value of the spring constant k that I calculate seems too high
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11
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Understanding the math of definition of electromotive force
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Length of string in a standing wave
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256
Field due to an electric dipole (Halliday & Resnick, Ch. 27 problem 23)
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Understanding a very simply RL circuit
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Small oscillations of a simple pendulum placed on a moving block
3
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Lab Exercise: Measuring "g" using Conservation of Energy
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131
Kinematics problem from a competition: Will the 2 sliding boxes collide?
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Flashing light beacon from Earth reaching spaceship moving away at 0.75c
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5
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142
Rolling Sphere On Incline
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Block sliding on a semicircular track with friction
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10
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The maximum reversible work in thermodynamics (2)
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Formula derivation connecting vertical water flowrate & horizontal distance moved by a suspended sphere
6
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207
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Impulse and momentum / work-energy
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The maximum reversible work in thermodynamics
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Do you graph the energy levels of a ##1s^1## atom the same as a ##1s^2## atom?
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131
Magnetic dipole moment and integration surfaces (Introductory Electromagnetics - Magnetistatics)
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Charge on a grounded conducting sphere in a uniform electric field, after ungrounding and movement
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120
Conservation of momentum (center of mass) in projectile launches
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Range of frequency heard by observer related to Doppler effect
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Vertical displacement with time of a projectile
2
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48
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Spring Constant Force Problem Help
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12
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214
Is current flowing into a battery always equal to current flowing out?
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12
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189
Total Internal Reflection and Transmitted Wavelength
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Understanding self-inductance in a solenoid.
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110
Condition for resolution of two point sources of light
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138
How does an eddy current brake work exactly?
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172
How do I model this function? (Damped Harmonic Motion)
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19
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276
emf in coil rotating inside magnetic field
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3
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139
Refraction of light when traveling from air to glass
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163
Ion moving through electric potential difference and magnetic field
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6
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138
Finding critical angle: not sure which one is correct
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13
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Origin of repulsive force on a magnet approaching conducting ring?
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A wheel of radius r rolls along a curve
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Electronic Circuits - Calculate voltage
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Newton's third law and weight
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13
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Query related to Two-Dimensional Motion
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198
Camera drone and speed of air below it
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Graph of viscous force and velocity
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Projectile motion, initial height and range given, find initial velocity
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Need to derive a formula for the number of red giants
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Question about time dilation
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Derive trig equations 4, 5, and 6 from 1, 2, and 3
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Friction - same direction as motion?
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Center of mass acceleration for an inclined plane and mass m
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A jet problem -- How hard to pull back on the controls to avoid colliding with a hill?
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143
How Does Coriolis Force Influence Particle Motion in Rotating Systems?
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2 Masses attached by a spring in the vertical axis
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Minimum work done to push the cube over
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Gauss' Law for a conducting / non-conducting sheet
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200
Feynman Diagram of Meson decay
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Find the value of ##t## when ##P## returns to ##X##- Kinematics
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Find the tension in the rope PQ
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How Do You Correctly Cancel Angular Momentum in Physics Problems?
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Question about acceleration of free fall
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Calculate voltage over capacitor and resistance
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Solve the problem involving the velocity - time graph
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Find in terms of ##h## when ##P## comes instantaneously to rest
2
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35
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Question about the energy of 2 blocks with a spring between them
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12
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Work done on a conveyor belt
2
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53
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Find the initial velocity ##U##
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Bungee jumper: energy changes
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2 Masses and a Wheel (with mass)
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Horizontal force by block on a beam
2
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45
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Calculate the frequency of rotation when a coin flies off a turntable
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8
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178
Trouble solving for end state of two control volumes in a rigid tank
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12
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Help again in interpreting a pulley with a spring and a block
2
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52
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Find the value of ##T## and distance of particle in the first ##4## seconds
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160
A small disk and a bigger half disk
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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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