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.
Energy analysis of this system (curved ramp up and a spring)
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Dispersion of rightward steps in 1-D random walks
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3
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561
B-field from a current in a wire above a conducting surface
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1
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564
Determining impulse given stopping distance and change in velocity
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6
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694
Special Relativity: spaceships heading toward each other
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7
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745
Quantum Mechanics - Time dependent solution - x's and t's not mixed up
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2
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734
Torques acting on a cylinder, with friction
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1
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543
Block connected to 2 real pulleys
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18
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807
Manned spacecraft to Tau problem
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5
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578
Events occuring in 4D spacetime
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1
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516
A rod sliding/falling down on a frictionless horizontal plane
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8
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1K
Why is a 1d conservative force approximately linearly related to position?
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3
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679
Finding magnetic field using Ampere's Circuital Law
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5
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985
Is My Understanding of Accelerations in Irodov 1.258 Correct?
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14
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1K
Two masses connected by Pulley - Lagrangian problem
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6
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914
Trying to Calculate Initial Velocity and Final Velocity
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2
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725
Colour depends on wavelength or frequency?
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22
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Magnetic field outside a semi-infinite solenoid
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12
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An ambigious optical system with ambigious solutions [JEE Adv - 20`16]
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19
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2K
Lagrangian of a block on an inclined plane
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16
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1K
Failed rocket problem (momentum conservation, Kleppner 4-4)
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3
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732
Can a Falling Mass Generate 12V Using an Optimal Magnet and Coil?
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9
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742
Double pendulum Lagrangian using small angle approximation formula
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5
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1K
Euler- Lagrange equation proof
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2
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727
Find temperature of a U-shaped Tube
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9
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771
How far do acorns drift in the wind?
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9
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612
Rpm and power for this electric motor, gearbox and pulley system
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19
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1K
Normalising the wavefunction - two answers
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12
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930
Relationship between linear velocity and angular velocity
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7
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917
Is the Solution for Rotation of Spherical Mirrors Incorrect?
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16
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1K
How can I determine the instant the block overcomes static friction?
2
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General question about the definition of moment of force (Torque)
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7
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798
What's the pressure long before the fluid exits a pipe?
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13
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1K
Oil enters a flexible bend in a pipe -- calculate the force needed to hold the bend in place
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12
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Induced charge on a conducting sphere sliced by a plane
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2
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1K
Time it Takes for a Transverse Pulse to Travel a Distance "L" Up a Cable Against Gravity?
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13
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1K
Question about the current components inside the Corbino disk
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11
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1K
Pressure just before the exit hole in a draining tank
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7
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2K
Find the coefficient of friction between block and surface
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4
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618
Block and wedge problem -- Where am I going wrong?
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7
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953
Potential Energy Problem: Pulling a Chain up onto a Table
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3
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689
What is the maximum length of the spring?
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4
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777
Need some confirmation regarding induced currents
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1
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688
LASER Applications help please
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4
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690
Which movement has the greatest net work done?
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3
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594
Calculate the area of this pond with functions given for the perimeter
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2
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781
Why are the electrostatic field lines normal to a charged conductor?
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10
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1K
Electric field of a sphere and a shell
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16
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908
Rigid body dynamics: A rod with two masses rotates down from a horizontal starting position
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21
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1K
Equivalent Resistance of Cube of Resistors: A to B
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5
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3K
This question caused a debate in the class: EMF from a changing magnetic field
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7
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975
Net force between two conducting strips
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6
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847
Is My Answer Correct for Calculating Average Current on a Ring?
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8
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823
Correct Setup for Finite Difference to Calculate Quantum Tunneling
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2
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931
Confused about interefence patterns
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16
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1K
Magnetization of a paramagnetic sphere
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11
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2K
Help with a Physics car project please
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2
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644
Solving projectile motion problems using Lagrangian mechanics
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9
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1K
What distance will be covered before coming to stop?
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12
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990
Motor rotating at normal speed and then prevented from rotating
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2
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514
Force between charged particle and conducting cylinder
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10
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945
Tension in a deformed cylindrical bag on a surface
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18
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1K
Finding the shape of a hanging rope
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3
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743
Two launches ferrying between two landing stations along a river
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23
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Calculate how fast the car was travelling when brakes were applied
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1
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695
Contact Mechanics: Deformation of a ball on a surface
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3
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1K
How to calculate the velocity of water streaming into the boat?
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19
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990
Difficulty Understanding 'Drag Crisis' (transitionary period from laminar to turbulent flow)
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1
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959
Issues with SLS Model for Rubber and Foam Compression Tests
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5
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764
Stress on a spaghetti rod balanced from its middle
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6
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1K
How to calculate the degrees of freedom of a simple multi-body system?
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5
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814
What Force must be exerted on the trolley for constant speed?
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1
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448
Two objects joined by a rectilinear cable rotating
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8
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901
Oscillation of system of three charges
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8
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874
Bees and Trains: A distance problem
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19
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1K
Extension of spring in a system with two pistons
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16
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789
Classical Mechanics: Rocket Propulsion Calculation
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10
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1K
Missing negative sign in my textbook's answer?
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1
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639
Spaceship, Earth and proton problem in special relativity
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12
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841
Quantum - Postulate of getting specific momentum p = |A_p|^2
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7
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826
Effect of temperature on surface tension
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2
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Need maximum weight on an extension machine
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2
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689
Finding a formula for displacement of a mass on a spring using v.
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2
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677
Correct Derivation of the Adiabatic Condition? (PV Diagram)
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4
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1K
An "x" from nowhere, mistake by textbook? (induced voltages)
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2
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769
Shape of equipotential surface in 3d
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5
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810
A problem in this photoelectric effect experiment
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8
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954
Problem in understanding angular momentum of a rigid body
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10
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2K
Shape of Slinky being twirled in 0 gravity
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4
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562
Two Trains and a Bee: Distance Question
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3
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790
A falling resistive disk in uniform magnetic field
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17
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How can I maximise the exit velocity of an object catapulted up?
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4
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737
Which block reaches the wall faster?
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2
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991
Is this a mistake in my textbook's answer about induced voltage question?
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1
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649
Horizontal component of the Coriolis force
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2
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705
Flux linking (and de-linking?)
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6
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877
Force on a rotating wheel/disc
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25
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2K
Magnus Effect Equations and Mechanics
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12
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884
Forces involved in principle of virtual work
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2
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738
Absolute motion analysis of pulley-spring system
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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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