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.
Electric field created by point charges
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827
Confusion about applying Faraday's law to a circuit
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3
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897
What's the energy stored in a parallel plate capacitor?
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14
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1K
Mass Pulley and torque -- Confusion in this Atwood machine problem
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11
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991
Derive Gravitational Force and Field between two identical rods
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1
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455
A particle slides down a non-fixed hemisphere
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3
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775
Two spring-coupled masses in an electric field (one of the masses is charged)
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1
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929
Find the equivalent resistance of this circuit
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31
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4K
How Do I Draw a Decay Scheme in Radiochemistry?
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1
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665
Determine the type of measurement by classification
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2
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528
Rope tension problem: Mass hanging from a rope tied at an angle
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21
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984
Potential in spherical shells
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2
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727
Internal Resistance Affect the Balancing Length in a Potentiometer?
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12
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979
Robot starts to overturn when reaching to pick up a load
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2
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573
Distance rolled of sphere vs cylinder with same m, r, and v
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5
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761
Determine energy required to stop rolling mass
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10
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702
Required force for sphere start rolling
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2
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714
Conservation of String Exercise
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5
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709
Reflection and Transmission of String Waves
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8
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1K
Tension in a rope hanging between 2 trees
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24
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1K
How do I calculate the Tension in a rope going over a smooth pulley?
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19
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1K
Liquid rocket engine excercise
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1
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956
Connecting a number of EMF sources in a circle to form a circuit
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9
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1K
Friction force on a ball falling through a body of water
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9
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1K
Is the Trigonometric Analysis of Conveyor Belt Forces Correct?
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6
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652
Gradient and Divergence in spherical coordinates
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3
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1K
Making a vehicle go straight on carpet
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8
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691
A Braking System with Spikes for Cars
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4
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727
Torque on a Circular Current Loop under a Misaligned Magnetic Field
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1
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1K
Rod with Current on Rails in Magnetic Field
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12
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2K
A problem in applying Kirchhoff's Voltage Law
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1
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804
Body attached to a block by a spring, shaped like an inclined plane
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1
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965
Ball revolving around a massive disc and a cube placed at centre
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1
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779
A cylinder rotating on a plane with friction and then moving across a frictionless plane to a collision
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1
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807
Finding the intermediate height of a ball in terms of its maximum height
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3
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823
Time taken for a planet to collide with the Sun
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10
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815
Why is there no current flow in the middle branch? (Circuits problem)
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8
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875
Temperature dependence of resistance
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6
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953
Find the density of surface charges at the boundary of two conductors with different resistivities
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6
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924
Trying to tie two runners of different speeds over a race
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30
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1K
Can Energy Conservation Solve the Angular Velocity Problem?
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6
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772
How do we represent a triangle wave for input voltage in this circuit?
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3
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755
Why is Radial Acceleration Ignored for a Rotating Board?
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9
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994
Concept of different accelerations on rotations of rigid bodies
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10
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889
Relativistic Decay and Separation Between Moving Nuclei A and B
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1
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602
Looking for observed rotation periods of various Foucault pendulums at different latitudes
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6
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867
Textbook 'The Physics of Waves': Varying Force Amplitude
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3
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971
Expression for magnitude of the constant friction force
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7
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1K
Energy conservation equation to find equation for final velocity
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4
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1K
How Many Eggs to Turn a 40lb Flywheel in a Vacuum?
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10
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842
Effect of rim width on a frisbee's stability and range
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8
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673
Rocket + Connected Body Dynamics problem
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47
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3K
Quantum Mechanics Boundary conditions
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3
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741
Uncertainty in particle position
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3
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582
Reflection probability in Quantum Mechanics
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2
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600
Why is the direction of kinetic/static friction up a ramp?
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7
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1K
Heated gas pushing a mercury column out of a cylinder
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10
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835
Temperature of two subsystems at equilibrium
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7
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957
Doppler Effect Question: Flying Bat Echolocating a Mosquito
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12
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1K
Final momentum of box with reflective interior hit by ideal laser
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4
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928
Explain why applying different forces to objects of different masses result in different accelerations
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9
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1K
Incandescent Bulb - suitable approximation for voltage-current curve
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2
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960
Diophantine equations and physics
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1
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791
Underground cables faulty point detected
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24
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1K
Motion of an electron inside the cavity of a charged sphere
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5
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900
How to solve this driven RLC circuit?
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13
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1K
Electrostatics and current problem with 3 metallic balls
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29
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1K
How to set up this problem with driven torsional oscillator?
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5
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912
Find the mass of odium for both solid and liquid state
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9
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876
Find the final temperature of the combined honorite and odium?
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5
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719
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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886
Mechanisms Involved When Charging a Battery
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10
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1K
Find final temp of 2 substances once they have reached equilibrium
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6
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908
What is the meaning of the intercept of a particular solution to damped oscillator?
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7
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929
Magnetic Field of an infinite current-carrying wire at a point
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5
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1K
To what extent does this system behave as a pendulum?
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1
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906
Force on a block placed on a rotating disc, calculated in different reference frames
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25
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2K
How does a simple circuit work?
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12
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1K
Why is current constant through a resistor?
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11
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1K
Did I Misuse the Parallel Axis Theorem for Polar Moment of Inertia?
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2
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889
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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929
Why does electric potential energy increase if you move against the field?
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6
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1K
Determining angular velocity of weight attached to a cord and cylinder
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23
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1K
Electromagnetic force on a positively charged particle
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3
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656
Why would this be accelerating positively?
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6
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984
Calculating the Relative COG of Two Masses
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20
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2K
Pistons placed on top of communicating vessels
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20
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995
Is Linear Momentum Conserved in This Case? (sliding box hits a floor tile)
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2
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920
Ray optics: velocity of image reflected off a moving mirror
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5
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1K
Analyzing torque of an automobile engine
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6
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936
Confusion over acceleration of gravity as positive/negative
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10
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1K
A cylinder has two sides containing gas and water separately
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4
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628
Finding the angular velocity of a pendulum
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3
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957
Number of bright fringes given by diffraction grating on a screen
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6
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3K
How Many Lines Per Millimeter Does the Diffraction Grating Have?
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5
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15K
What’s gone wrong with my derivation of the Lorentz Factor?
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7
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829
Find ratio of brightness & the distance the 6th dark fringe is from central fringe
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5
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693
Coulomb's law to find electric field for charge density function
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11
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1K
Find smallest distance x from y-axis for both constructive & destructive interference to occur
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5
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764
Find smallest value of y for constructive interference
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3
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630

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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