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.
Physics - electrostatic exercise with 4 charges at the corners of a square
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383
Finding the currents in this circuit (2 voltage sources and 3 resistors)
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10
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1K
Effect on visibility of thin films due to interference
2
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35
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1K
In which direction is the magnetic field at point P?
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12
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556
Motion of Sphere Rolling Down Rotating Cone
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9
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548
Calculate the voltmeter reading for this circuit with 2 sources and 2 resistors
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5
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825
What is the net force on the current loop?
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8
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421
Different forms of Stokes' theorem
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3
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336
Wooden sphere rolling on a double metal track
3
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97
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3K
Mass on a spring from equilibrium
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1
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469
Problem understanding solution of a question about a hydrogen-filled balloon
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24
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690
Why body A has greater acceleration?
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13
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504
Calculus Problem: Blowing Up a Spherical Balloon
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3
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771
The phenomenon of the ruler trick
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7
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956
Discover the Correct Star Radius with These Key Answers | Choose Wisely!
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3
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430
Projectile Motion Question (Envelope of trajectories) query
2
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42
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920
Viscosity by Falling Sphere Equations
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2
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474
Parallel Axis Theorem Not Working
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28
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540
Arrange bulbs in descending order of brightness
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3
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2K
Force field in spherical polar coordinates
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20
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486
Actual Working of Weighing Machine (Normal vs gravitational force)
2
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36
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971
How exactly to set the parameter for different springs for an oscillation experiment?
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1
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346
How to Solve Dynamics Exercise Involving Force Representation?
2
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58
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1K
Matrices: a normal M, a projection Q, Hermitian transpose of product
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1
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262
Does a signal called "EN" stand for something special in this circuit?
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1
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377
The effect of the number of dimensions on the number of polarizations of Phonon modes
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1
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346
Carnival Swing Question, I am severely stuck
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5
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359
A charge inside a ring, small oscillation
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2
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417
Importance/Use of Gauss' Law and Ampere's Circuital Law
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30
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617
What are the voltages generated from this current source?
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2
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462
Problem on Differential Pulleys
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11
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581
Plot ##i_A## vs ##v_A## characteristics for this nonlinear network
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7
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539
Distributed weight of inclined beam.
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11
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717
What is the angle of static equilibrium for a ladder on ice?
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3
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390
Calculate the resistance to add in parallel to balance this bridge circuit
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6
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446
Find the amount of work done against gravity in moving a 150kg rocket
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4
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418
What is the most effective nozzle size and water speed for maximum thrust?
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28
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611
Finding electric potential of an infinite line charge at z axis
2
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64
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2K
Seeking advice on "simple" pendulum problem
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27
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729
Question about a problem from 'Optics' by Eugene Hecht
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11
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636
Frequency of oscillations given 3 springs at angles ##\frac{2\pi}{3}##
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16
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516
What is the power per square meter of a sun on a planet?
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22
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549
Find the Retarding Force due to Eddy Currents
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5
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469
Block on slope. Different answers using energy vs forces
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5
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351
Why are the forces on torque tension and not the weight of the mass?
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7
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447
Speed of ball on pendulum with Mechanical Energy
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9
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406
Time period of SHM & Energy conservation in pulley-spring-block system
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24
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1K
Varying fluid (density) in a cylinder rolling along an inclined plane
4
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130
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5K
Torque before slipping in a refrigerator
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3
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389
Friction between tractor tyres and the ground
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4
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467
Does a massless string cause a normal force when attached to a wall?
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2
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433
Vertical Velocity Graph versus Time on a Slope
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2
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440
A particle moving in a parabolic path in the ##x-y## plane
2
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40
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885
Finding current of circular (toroidal) solenoid
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4
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450
Problem involving space elevators
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19
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794
Calculate a radius of a circle on a screen
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3
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383
Circular motion of a rollercoaster car on a loop-the-loop
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14
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620
Maximum voltage in the primary circuit of a transformer
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2
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327
Elastic Collision troubles...
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20
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968
How can the coefficient of friction change? Does it?
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8
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9K
Understanding Energy Loss of 2 Joules in Circuits with Changing Capacitance
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10
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2K
Why does this question make this simplifying assumption?
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8
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437
Alpha particle close to the nucleus
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3
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364
Thermo Final Review - specific heat for ideal gas
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2
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405
Confused on whether this counts as an external torque
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4
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426
Mechanical energy in an orbit
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1
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390
Flow rate experiment not producing same results as the Hagen-Poiseuille law?
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17
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673
Two stars orbit their common center of mass
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2
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578
Point charge with very thin metal sheet along a spherical surface
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21
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663
Pushing a block against the wall of an elevator that is accelerating
2
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42
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947
Analytical mechanics- working with Lagrangian and holonomic constraints
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4
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398
Question on height of a jump in terms of Power (from WPE chapter, JEE level)
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5
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373
Angular momentum of rotating hoop
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2
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480
What is the maximum current in a RL circuit using V=IR?
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13
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883
Q2: In a relative non-inertial reference frame, why is fluid velocity zero?
2
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37
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1K
Calculate the spring constant of oscillating mass on a spring colliding with a wall
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31
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664
Why can we move the spring with constant speed when we apply a force?
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29
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922
Pearson HW23, The Little Prince
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2
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293
Relation between Mutual information and Expectation Values
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2
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344
Write boolean expression describing this circuit
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4
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345
Sinusoidal Radiation Statements (T/F)
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2
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350
Q: In a relative non-inertial reference frame, the fluid velocity is zero?
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3
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419
Spring Problem Involving Variables and Constants Only
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3
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366
How would we define a value for acceleration if only the direction is changing?
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2
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378
Show that the Poiseuille field of flow is rotational
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6
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451
Make 2 launchers that shoot a straw with clay at the end
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3
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440
What can I add to a Taekwondo body protector scoring systeme to be more stable?
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1
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326
Is the Final Velocity of a Fly Impacted by an Elephant's Mass?
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28
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614
Torque in a parallel combination of springs
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8
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460
1999 AP Physics C Mech: Conservation of momentum and energy
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9
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390
Find the linear speed of the particle when system rotates about axis
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6
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483
Find the equation of state of each gas
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4
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388
Scarf modelled as a pulley system / F=ma exercise
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3
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433
Challenging problem about an impact with a smooth frictionless surface
2
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55
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2K
Energy of a water tank with compressed air
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5
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413
Inflating a Balloon (elastic balloon vs. paper balloon)
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8
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437
Confused about resolving Tension and Weight
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4
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407
The biomechanics of elbow extension
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1
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381
Minimum force required to keep two blocks from not falling
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4
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413
Derivation of angular velocity using the unit circle
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5
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417

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.

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