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.
Required force for sphere start rolling
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702
Conservation of String Exercise
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5
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697
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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946
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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637
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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670
A Braking System with Spikes for Cars
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4
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714
Torque on a Circular Current Loop under a Misaligned Magnetic Field
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1
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996
Rod with Current on Rails in Magnetic Field
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12
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1K
A problem in applying Kirchhoff's Voltage Law
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1
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792
Body attached to a block by a spring, shaped like an inclined plane
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1
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952
Ball revolving around a massive disc and a cube placed at centre
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1
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756
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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793
Finding the intermediate height of a ball in terms of its maximum height
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3
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816
Time taken for a planet to collide with the Sun
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10
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799
Why is there no current flow in the middle branch? (Circuits problem)
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8
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868
Temperature dependence of resistance
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6
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932
Find the density of surface charges at the boundary of two conductors with different resistivities
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6
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902
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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754
How do we represent a triangle wave for input voltage in this circuit?
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3
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741
Why is Radial Acceleration Ignored for a Rotating Board?
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9
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975
Concept of different accelerations on rotations of rigid bodies
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10
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872
Relativistic Decay and Separation Between Moving Nuclei A and B
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1
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589
Looking for observed rotation periods of various Foucault pendulums at different latitudes
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6
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846
Textbook 'The Physics of Waves': Varying Force Amplitude
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3
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952
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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826
Effect of rim width on a frisbee's stability and range
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8
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657
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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732
Uncertainty in particle position
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3
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573
Reflection probability in Quantum Mechanics
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2
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592
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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805
Temperature of two subsystems at equilibrium
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7
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935
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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918
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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945
Diophantine equations and physics
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1
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780
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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889
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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897
Find the mass of odium for both solid and liquid state
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9
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860
Find the final temperature of the combined honorite and odium?
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5
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705
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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876
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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889
What is the meaning of the intercept of a particular solution to damped oscillator?
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7
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912
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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896
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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877
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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910
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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645
Why would this be accelerating positively?
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6
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963
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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981
Is Linear Momentum Conserved in This Case? (sliding box hits a floor tile)
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2
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902
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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922
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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621
Finding the angular velocity of a pendulum
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3
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948
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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814
Find ratio of brightness & the distance the 6th dark fringe is from central fringe
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5
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676
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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753
Find smallest value of y for constructive interference
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3
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615
EMF induced in moving rod in B-field, why is "L" length of wire frame?
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4
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769
Why is vertical displacement second order in horizontal displacement for coupled oscillator?
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8
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759
Induced EMF due to a moving magnet
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7
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840
How to Apply Derivatives in Physics Problems?
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9
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1K
How to calculate pressure when two forces are exerted
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23
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1K
Equivalent resistance of this 6-sided circuit
2
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59
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2K
Please help with this suggested solution involving electrostatic press
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14
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1K
Find the change in the time required, if acceleration increases by the differential amount 'da'
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7
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1K
Solving for potential using surface charge density of a sphere
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3
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1K
Tension in a string which connects 3 pulleys
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12
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1K
Particle in one dimension wave function from Quantum Mechanics
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3
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748
Minimal distance between two planes moving perpendicularly
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6
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749
Analyzing acceleration of block on a ramp connected to a pulley
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15
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2K
Friction problem of a block sandwiched between 2 surfaces
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6
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1K
How friction acts on a block moving down a slope moving side to side
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2
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886
How to find the equivalent resistance of this infinite circuit?
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10
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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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