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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Concept about photoelectric effect
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Planar pendulum with rotating pivot
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7
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Rod lagrangian
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Introduce a battery to an LR circuit
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15
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146
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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Balmer series experiment
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2
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80
Spherical pendulum confusion [Issue resolved]
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48
Launch service between two stations along a flowing river
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21
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145
Book plots position & force on the same graph, still gets right answer
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8
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127
Why is source force + electrostatic force = 0 inside battery?
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10
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139
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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85
Critical frequency of Faraday Waves?
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Find starting velocity from golfer launching ball
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121
Why is the electric field inside a conducting hollow/filled sphere zero?
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49
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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56
Tension in a Two-Crate System on a Frictionless Surface
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Forces at play in a pendulum (conceptual doubt)
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7
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131
How do I fix the signs in Faraday's Law in RL Circuit?
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5
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109
Resistivity calculation from two-probe resistance measurement of sheet
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Simple pendulum with moving support
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change in the unit vectors
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10
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92
Coupled pendulum-spring system
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3
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59
Field transformations in the z-direction
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7
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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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140
Understanding the math of definition of electromotive force
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Length of string in a standing wave
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248
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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128
Kinematics problem from a competition: Will the 2 sliding boxes collide?
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180
Flashing light beacon from Earth reaching spaceship moving away at 0.75c
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5
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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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121
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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12
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127
Magnetic dipole moment and integration surfaces (Introductory Electromagnetics - Magnetistatics)
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112
Charge on a grounded conducting sphere in a uniform electric field, after ungrounding and movement
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117
Conservation of momentum (center of mass) in projectile launches
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15
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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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211
Is current flowing into a battery always equal to current flowing out?
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12
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185
Total Internal Reflection and Transmitted Wavelength
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Understanding self-inductance in a solenoid.
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3
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107
Condition for resolution of two point sources of light
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135
How does an eddy current brake work exactly?
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165
How do I model this function? (Damped Harmonic Motion)
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19
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272
emf in coil rotating inside magnetic field
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3
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135
Refraction of light when traveling from air to glass
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6
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159
Ion moving through electric potential difference and magnetic field
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6
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136
Finding critical angle: not sure which one is correct
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13
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161
Origin of repulsive force on a magnet approaching conducting ring?
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180
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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Query related to Two-Dimensional Motion
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Camera drone and speed of air below it
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Graph of viscous force and velocity
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15
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Projectile motion, initial height and range given, find initial velocity
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8
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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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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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Feynman Diagram of Meson decay
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Find the value of ##t## when ##P## returns to ##X##- Kinematics
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25
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Find the tension in the rope PQ
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7
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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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149
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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188
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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3
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148
Bungee jumper: energy changes
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7
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128
2 Masses and a Wheel (with mass)
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152
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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176
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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2
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155
A small disk and a bigger half disk
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9
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174
Making sense of sequence of ideas in MIT OCW's 8.02 notes on Faraday
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1
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139
Rotating ball and string Rotational Kinetic Energy?
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6
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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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