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.
How to calculate gamma ray energies following beta decay?
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172
Minimum force to tip the bin over
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7
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163
Depth of a basketball floating on water
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9
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221
Keplerian Telescope and real image
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7
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181
Concept about photoelectric effect
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17
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383
Dynamic system of self balancing robot
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4
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188
Max inversion temperature for a gas (Dieterici’s equation of state)
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4
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317
Closed cycle of an ideal gas
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203
Why is the tension in a massive cable always tangent to its portion?
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1K
How can I maximise the exit velocity of an object catapulted up?
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177
Statistical mechanics: particles in magnetic fields
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179
Calculating Magnetic Field at Point P for Perpendicular Current-Carrying Wires
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155
Calculation of Ramp Jump Distance Using Projectile Motion Formulas?
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12
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157
Help with designing a power generating system
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3
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165
Max Impulse on a pendulum
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1
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148
Angle that makes kinetic and potential energy of simple pendulum equal
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2
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191
Introduce a battery to an LR circuit
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16
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277
Planar pendulum with rotating pivot
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7
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139
Lagrangian for a rod pivoting at the end of a clock hand
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143
Lagrangian of a block on an inclined plane
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208
Sheet of charge - theory
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136
Cables, pulleys, 2 weights
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205
Balmer series experiment
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2
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188
Spherical pendulum confusion [Issue resolved]
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2
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155
Launch service between two stations along a flowing river
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21
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243
Book plots position & force on the same graph, still gets right answer
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8
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238
Why is source force + electrostatic force = 0 inside battery?
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10
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272
Relativistic motion and length contraction
2
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44
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555
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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183
Critical frequency of Faraday Waves?
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6
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352
Find starting velocity from golfer launching ball
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7
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219
Why is the electric field inside a conducting hollow/filled sphere zero?
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2
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140
Slope of N - t graph of radioactive decay
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2
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155
Question about Feynman diagram showing annihilation
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4
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201
Coupled oscillator question
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2
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157
Tension in a Two-Crate System on a Frictionless Surface
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7
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181
Forces at play in a pendulum (conceptual doubt)
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7
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217
How do I fix the signs in Faraday's Law in RL Circuit?
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5
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210
Resistivity calculation from two-probe resistance measurement of sheet
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2
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156
Simple pendulum with moving support
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4
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182
change in the unit vectors
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10
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179
Coupled pendulum-spring system
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3
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157
Field transformations in the z-direction
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7
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1K
Pendulum attached to a rotating vertical disk
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2
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184
The value of the spring constant k that I calculate seems too high
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11
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234
Understanding the math of definition of electromotive force
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1
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173
Length of string in a standing wave
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19
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418
Field due to an electric dipole (Halliday & Resnick, Ch. 27 problem 23)
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3
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138
Understanding a very simply RL circuit
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1
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171
Small oscillations of a simple pendulum placed on a moving block
3
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73
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1K
Lab Exercise: Measuring "g" using Conservation of Energy
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12
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204
Kinematics problem from a competition: Will the 2 sliding boxes collide?
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6
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258
Flashing light beacon from Earth reaching spaceship moving away at 0.75c
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5
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229
Rolling Sphere On Incline
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1
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157
Block sliding on a semicircular track with friction
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10
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269
The maximum reversible work in thermodynamics (2)
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1
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203
Formula derivation connecting vertical water flowrate & horizontal distance moved by a suspended sphere
6
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207
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3K
Impulse and momentum / work-energy
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5
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233
The maximum reversible work in thermodynamics
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22
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487
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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208
Magnetic dipole moment and integration surfaces (Introductory Electromagnetics - Magnetistatics)
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4
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187
Charge on a grounded conducting sphere in a uniform electric field, after ungrounding and movement
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1
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201
Conservation of momentum (center of mass) in projectile launches
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15
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321
Range of frequency heard by observer related to Doppler effect
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8
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237
Vertical displacement with time of a projectile
2
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48
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846
Spring Constant Force Problem Help
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12
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280
Is current flowing into a battery always equal to current flowing out?
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12
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271
Total Internal Reflection and Transmitted Wavelength
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1
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163
Understanding self-inductance in a solenoid.
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3
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191
Condition for resolution of two point sources of light
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2
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215
How does an eddy current brake work exactly?
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1
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274
How do I model this function? (Damped Harmonic Motion)
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19
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370
emf in coil rotating inside magnetic field
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3
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203
Refraction of light when traveling from air to glass
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6
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236
Ion moving through electric potential difference and magnetic field
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6
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210
Finding critical angle: not sure which one is correct
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13
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239
Origin of repulsive force on a magnet approaching conducting ring?
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5
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258
A wheel of radius r rolls along a curve
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13
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427
Electronic Circuits - Calculate voltage
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4
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375
Newton's third law and weight
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13
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279
Query related to Two-Dimensional Motion
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9
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267
Camera drone and speed of air below it
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5
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205
Graph of viscous force and velocity
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15
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251
Projectile motion, initial height and range given, find initial velocity
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8
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604
Need to derive a formula for the number of red giants
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8
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338
Question about time dilation
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22
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281
Derive trig equations 4, 5, and 6 from 1, 2, and 3
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13
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2K
Friction - same direction as motion?
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10
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347
Center of mass acceleration for an inclined plane and mass m
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18
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353
A jet problem -- How hard to pull back on the controls to avoid colliding with a hill?
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2
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194
How Does Coriolis Force Influence Particle Motion in Rotating Systems?
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3
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262
2 Masses attached by a spring in the vertical axis
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8
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274
Minimum work done to push the cube over
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14
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292
Gauss' Law for a conducting / non-conducting sheet
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5
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266
Feynman Diagram of Meson decay
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8
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256
Find the value of ##t## when ##P## returns to ##X##- Kinematics
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25
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1K
Find the tension in the rope PQ
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7
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209
How Do You Correctly Cancel Angular Momentum in Physics Problems?
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3
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250
Question about acceleration of free fall
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23
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389
Calculate voltage over capacitor and resistance
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7
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239

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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