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.
Diophantine equations and physics
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610
Underground cables faulty point detected
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24
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586
Motion of an electron inside the cavity of a charged sphere
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5
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423
How to solve this driven RLC circuit?
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13
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656
Electrostatics and current problem with 3 metallic balls
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29
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686
How to set up this problem with driven torsional oscillator?
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5
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373
Find the mass of odium for both solid and liquid state
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520
Find the final temperature of the combined honorite and odium?
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5
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448
Difference between maximizing amplitude by choosing omega_0 given omega_d versus choosing omega_d given omega_0.
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4
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559
Mechanisms Involved When Charging a Battery
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10
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686
Find final temp of 2 substances once they have reached equilibrium
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6
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463
What is the meaning of the intercept of a particular solution to damped oscillator?
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7
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553
Magnetic Field of an infinite current-carrying wire at a point
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5
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555
To what extent does this system behave as a pendulum?
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1
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401
Force on a block placed on a rotating disc, calculated in different reference frames
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25
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897
How does a simple circuit work?
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12
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581
Why is current constant through a resistor?
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11
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543
Did I Misuse the Parallel Axis Theorem for Polar Moment of Inertia?
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2
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461
Why is the current in a conductor equal to zero when not connected to a circuit?
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13
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544
Why does electric potential energy increase if you move against the field?
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6
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450
Determining angular velocity of weight attached to a cord and cylinder
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23
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757
Electromagnetic force on a positively charged particle
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3
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394
Why would this be accelerating positively?
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6
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500
Calculating the Relative COG of Two Masses
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20
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693
Pistons placed on top of communicating vessels
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20
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605
Is Linear Momentum Conserved in This Case? (sliding box hits a floor tile)
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2
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447
Ray optics: velocity of image reflected off a moving mirror
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5
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512
Analyzing torque of an automobile engine
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6
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585
Confusion over acceleration of gravity as positive/negative
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10
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559
A cylinder has two sides containing gas and water separately
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4
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398
Finding the angular velocity of a pendulum
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3
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452
Number of bright fringes given by diffraction grating on a screen
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6
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2K
How Many Lines Per Millimeter Does the Diffraction Grating Have?
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5
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14K
What’s gone wrong with my derivation of the Lorentz Factor?
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7
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501
Find ratio of brightness & the distance the 6th dark fringe is from central fringe
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5
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448
Coulomb's law to find electric field for charge density function
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11
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605
Find smallest distance x from y-axis for both constructive & destructive interference to occur
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5
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428
Find smallest value of y for constructive interference
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3
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390
EMF induced in moving rod in B-field, why is "L" length of wire frame?
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4
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453
Why is vertical displacement second order in horizontal displacement for coupled oscillator?
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8
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511
Induced EMF due to a moving magnet
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7
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506
How to Apply Derivatives in Physics Problems?
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9
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579
How to calculate pressure when two forces are exerted
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23
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681
Equivalent resistance of this 6-sided circuit
2
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59
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1K
Please help with this suggested solution involving electrostatic press
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14
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603
Find the change in the time required, if acceleration increases by the differential amount 'da'
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7
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578
Solving for potential using surface charge density of a sphere
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3
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443
Tension in a string which connects 3 pulleys
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12
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554
Particle in one dimension wave function from Quantum Mechanics
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3
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382
Minimal distance between two planes moving perpendicularly
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6
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426
Analyzing acceleration of block on a ramp connected to a pulley
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15
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615
Friction problem of a block sandwiched between 2 surfaces
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6
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561
How friction acts on a block moving down a slope moving side to side
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2
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439
How to find the equivalent resistance of this infinite circuit?
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10
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1K
The div in cartesian coordinates
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2
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415
Find the location of the diver's reflection in the convex mirror
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19
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505
Find the electric field between 2 finite discs
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16
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544
Find the location and length of the final image
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2
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428
Man pulling a boat along the water with a rope (from above on a steep bank)
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31
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788
Material Selection - Hooke's law [not]
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14
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551
Tension Force Problem (applying Work-Kinetic Energy Theorem)
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16
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566
Falling mass, additionally accelerated by a rope
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18
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713
Calculating torque on a pendulum
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2
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406
Electric field lines outside a neutral conducting spherical shell
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12
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587
How to calculate quality factor for RLC circuit?
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6
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575
Gauss' law for charge distribution of a point charge at the origin surrounded by an insulating sphere
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1
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344
Mass atop four springs with external input: Reduce vibration amplitude by factor of ten
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3
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440
What mass must be placed on the cord to keep the pulley from rotating?
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1
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401
Ratio of volumes in a vertical cylinder with a piston
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3
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383
Estimating damped harmonic oscillator parameters from this plot of the oscillations
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9
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675
A rod that falls while rotating from the end of a table
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11
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531
Question about Projectile Motion: Throwing a Flower Pot from a Balcony
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18
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736
Doubt regarding View factor/shape factor of infinite inclined plate
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3
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380
The speed of the point of intersection of two uniformly moving lines
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24
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887
Theoretical velocities at different heights sliding down an inclined plane
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4
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371
How to determine if electrical components are connected in parallel or in series?
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10
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470
Electric flux through an inclined cylinder
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16
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459
A charge q approaching two stationary charges q1 and q2
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7
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403
Analyzing this 2-lens optical system
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5
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578
Charge conservation for 3 parallel charged plates
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19
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594
Force transmitted to a block in viscous fluid through a spring, cord, and pulley
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6
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483
Two Inverted Pendulums connected by a rope
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10
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403
Gauss' law problem -- Should the field due to both the inside and outside charges be taken into account?
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28
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674
Help finding the change in potential energy in this problem
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9
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457
Textbook 'The Physics of Waves': Linearity of Forced Oscillator
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6
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525
Induced currents on a pair of separated dipole antennas
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2
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353
Thermodynamic cyclic process - 2 isobaric and 2 adiabatic
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5
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372
Ball launched from a height of 5 meters --- Projectile motion
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12
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489
Block on top of an inclined plane, with a rough surface, that moves with constant acceleration
2
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41
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2K
Energy analysis of the system (leaking bucket from Morin's "Mechanics"
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5
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598
Textbook 'The Physics of Waves': Lifetime of SHM Oscillators
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5
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462
Textbook 'The Physics of Waves': Calculating Work Done by Force
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2
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479
Textbook 'The Physics of Waves': Reason to force us to consider complex solution for harmonic motion?
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3
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590
Is there a limit on how much energy a photon might have in a FOR?
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10
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500
How to parametrize motion of a pendulum in terms of Cartesian coordinates?
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1
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489
Is the line integral of tangential force in pendulum equal to the negative of change in potential energy?
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3
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405
What is meant by small oscillations for this potential energy function?
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2
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418
Initial velocity of bird landing on horizontal wire modeled as spring
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7
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419
Circular motion of a Weightless rod
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18
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474
Electric field of point along the central vertical axis of a triangle
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3
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442

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.

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