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.
Find the tension in the rope PQ
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209
How Do You Correctly Cancel Angular Momentum in Physics Problems?
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3
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257
Question about acceleration of free fall
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23
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393
Calculate voltage over capacitor and resistance
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7
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247
Solve the problem involving the velocity - time graph
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3
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224
Find in terms of ##h## when ##P## comes instantaneously to rest
2
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35
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676
Question about the energy of 2 blocks with a spring between them
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12
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248
How Is Work Calculated on a Conveyor Belt with Friction?
2
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53
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604
Find the initial velocity ##U##
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3
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182
How Does Energy Transform in a Bungee Jump?
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7
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177
2 Masses and a Wheel (with mass)
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6
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196
Horizontal force by block on a beam
2
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45
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622
Calculate the frequency of rotation when a coin flies off a turntable
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8
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245
Trouble solving for end state of two control volumes in a rigid tank
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12
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889
Help again in interpreting a pulley with a spring and a block
2
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52
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777
Find the value of ##T## and distance of particle in the first ##4## seconds
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2
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223
A small disk and a bigger half disk
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9
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214
Making sense of sequence of ideas in MIT OCW's 8.02 notes on Faraday
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1
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189
Rotating ball and string Rotational Kinetic Energy?
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6
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7K
Finding spring constant k based on diagram -- Don't understand how to interpret force as drawn
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5
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209
What is the induced magnetic force on this closed current loop?
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12
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260
Calculating the spring force constant K
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14
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382
Determining Inductance L in an LC Circuit
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5
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291
Power, force, velocity and tension...
2
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38
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509
How Do Power, Force, and Velocity Interact?
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14
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229
The ratio between two horizontal speeds in this pendulum arrangement
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1
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143
Inelastic collision of two squares
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14
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222
Two bodies connected with an elastic thread moving with friction
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6
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280
How to obtain correct negative sign in calculation of motional emf?
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2
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232
Normal force at the base of a ladder
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20
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392
How Does Spring Compression Relate to Energy Changes?
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4
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201
Arrow being fired to centre of target
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6
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188
Change in the kinetic energy of a car driving up a hill
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3
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207
Horizontal force on hinge is affected by moving the block farther away?
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11
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217
Need help interpreting a spring-block problem
2
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35
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723
Force components for mass attached to two springs
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15
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310
Molecular speed distribution - most probable speed V
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13
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264
Which way does this coil turn in a magnetic field?
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2
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186
Compare rotational inertia of 2 paper cups in 2 diff orientations
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12
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271
Are the Force Equations for Rotational Motion Accurate?
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24
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325
Particle projected from above a dome
2
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38
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613
Avg Power in a Rotational Energy/Work Problem
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6
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266
Centripetal force - Ferris wheel... Opposite results
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8
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262
Why Does Light Diminish with a Phase Difference of 5λ?
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6
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234
Rolling Disk: dynamics versus energy analysis
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9
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218
Please help with this physics experiment -- Water leaking out of inverted water bottle
2
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55
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1K
What is the time taken by a pulse generated at the bottom of a string to reach the top?
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8
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345
Determine the velocity of a package dropped from a satellite
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6
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267
Finding force between solenoid and magnet
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2
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175
Elliptical motion in polar coordinates
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10
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314
Why Does Calculating Torque at the Ladder's Contact Point Not Work?
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5
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289
Cantilevered and line-loaded steel beam
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19
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451
Proving the gravitational force of a solid sphere using integration
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5
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235
Escape Velocity from Earth starting from its Centre
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27
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467
I solved few questions on kinematics -- Is my working correct?
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4
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5K
Why Is Deriving the Motion Formula for Hoops More Complex?
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4
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238
Electron motion on axis of a charged ring
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7
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214
Work energy theorem problem -- Block sliding up a curved incline
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10
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342
For a translating block with slipping find the maximum force F
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2
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188
Fundamental electrokinetics problem calculation using Ohm's Law
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4
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209
Direction of electric field vector on the surface of charged conductor
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9
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298
Rolling Motion (Stone Gets Stuck in a Tire Going Forward)
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10
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258
Resonance of a cube floating on water under external force
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8
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246
Verifying that Newton's Equations are equivalent to the EL equations
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15
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335
Coulomb's law and energy - potential energy
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5
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173
Velocities of four masses | Conservation of Momentum
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7
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234
How Does a Pulley System Affect Scale Readings?
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8
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212
Intensity of central maximum when width of single slit is doubled
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13
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480
Deriving ODEs for straight lines in polar coordinates for a given Lagrangian
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8
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294
Force on rectangular loop by a current in a long straight wire
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4
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325
Net magnetic force on circuit segment due to 2 parallel wires
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6
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267
Measurements Calculation Problem
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3
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241
A massless disk with an embedded particle rolls down an inclined plane
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17
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449
Torque question in Deltoid muscle
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7
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282
Is this projectile motion situation possible?
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6
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249
How did Cavendish find the density of the Earth?
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24
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553
Average momentum of an avalanche
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5
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216
Finding the constants of the general approximate solution to a double pendulum
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1
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181
Calculate the average force on the side walls of a container
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5
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305
Find tension using sum of torque (two strings, one beam, one box)
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2
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219
How do you prove ##\lambda = \frac {2L} {n} ## given only L?
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3
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233
Equation of resistance from given graph
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4
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234
Uniform Circular Motion: A plum-bob makes a 70 degree angle...
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4
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217
Find the distance a particle travels
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15
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375
Finding the x component of position vector
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3
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198
Uniform Circular Motion: Tension Force at Top of Circle
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4
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213
Find the phase difference between these two sine waves
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21
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283
Frames of Reference: Using tie-downs to hold a load on a flatbed truck
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3
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184
Phase difference between two light waves of the same frequency
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12
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286
Wave movement and particle movement
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23
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244
Finding focal length from di v. M graph
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1
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153
Finding slip-off angle for mass off of sphere?
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7
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249
How Does Impulse Relate to Momentum Change in Physics Problems?
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7
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503
Need help on a energy question: Hockey puck sliding across the ice
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9
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259
Why Do Capacitors Behave Differently in Series and Parallel Configurations?
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20
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481
Effect of different magnetic fields on a magnetic dipole
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25
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320
Planar Coil Rotating in a Magnetic Field
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1
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191
Electromagnetism problem: Merging of 2 charged drops of mercury
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2
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210
Need help finding uncertainty for this equation
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23
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310
Find the velocity of the stone just before it hits the ground
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16
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331

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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