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.
This 3 mass atwood problem is confusing me
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Left-to-Right Wave — How Does Particle X Move?
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23
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Computing the moment of inertia for a rotary inverted pendulum
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863
Ball on a string thrown around a spool
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Network Analysis, Kirchhoff's Laws, changing current source to voltage
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Graphs of RC Circuit Responses
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The problem of one tube and two balls on a plane
2
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Calculating the Forces on a Charge
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Ambiguous Problem Statement on Determining Speed of Aircraft
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How does a transistor act as an amplifier?
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How do I find the intersection of the wrench's LOA?
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Momentum: why don't the two carts become one?
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How to calculate the errors in the measured period of a pendulum?
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Series and Parallel Circuits using symmetry
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10
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862
How is the slider connected to the switch?
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Thermal expansion of a glass rod and a metal ruler
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8
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832
A problem from a physics national competition
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Change in entropy of the surroundings in an irreversible process
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14
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1K
Surface current of superconducting sphere in magnetic field
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849
Force of car pushing on a truck
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Force needed to raise a backpack
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Uniform circular motion angle relationship
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670
Simulating a Rotary Inverted Pendulum in Python
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15
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Pressure of water coming out of a hose nozzle
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Focal length of the eyepiece lens in a compound microscope
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7
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1K
Find the magnitude of the child's acceleration
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1K
Why are these forces not included in the solution? (Torque Problem)
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12
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1K
Why do compasses always point in the wrong direction?
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6
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926
Charge on disk with non uniform surface charge density
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12
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1K
Optics problem with a glass lens immersed in water
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3
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805
Homework: Can a rest frame be chosen for the center of momentum for a system of two photons?
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7
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769
1-dimensional kinematics - final velocity of 2 trains in opposing direction
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3
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871
Total energy of a wave on a string
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908
What happens to the position of two attracting charges when a conductor is inserted between them?
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725
Spring force required to overcome friction between two blocks
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10
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Rolling without slipping problem
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42
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3K
Stopping a rod moving with constant omega
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13
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929
Handling two SHMs in different directions
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18
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937
Sound in an Open Vertical Tube partially filled with Water
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4
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875
Best Egg Drop Contest Shock Absorber?
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1
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756
Problem involving SHM and a collision
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27
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1K
Calculate the velocity of the canoe relative to the water
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8
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909
Amplitude of a stretched spring that is stretched further
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6
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781
Waves on a String Fixed at the Ends
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7
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Electric Potential Energy of Point Charge Systems
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2
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963
Landing reusable booster rockets
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Problem with the power of car
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3
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884
Tangential velocity of external satellite
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7
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745
Will my weather balloon work in the Stratosphere?
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7
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Angular momentum- rotating rod
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17
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Transverse mechanical waves in a steel wire
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10
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Thermodynamics - Dryness fraction Equations
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1
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655
Dryness fraction of saturated steam
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2
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help whit problem of college admission exam
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5
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Loop equations for this battery-resistor circuit
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48
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2K
Work done to insert a point charge 𝑞 at the center of a conducting sphere
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12
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1K
Understanding a math step in solving Schrödinger's equation for single particle in a box
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8
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944
Center of mass and momentum- A question about systems
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25
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1K
Circle approximation of a wave pulse on a string or spring
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29
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1K
Calculating magnetic field outside a solenoid
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15
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1K
Aerodynamics: Optimization of an aircraft engine
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2
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588
I do not understand why the extra 2 factor is there (energy of 1D electron gas at zero temperature)
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5
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884
Rotating ring on a rough surface- but with a twist
4
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151
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5K
Electric potential of nested spherical shells
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4
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889
Another rotation problem -- Acceleration of a ring rolling on a surface
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740
Why is it necessary to start this experiment with the water level at 400mL?
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35
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2K
Correct statement about light transmitted and reflected by windscreen
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11
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Force pulling on a string at an angle with a block at the other end
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2
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1K
Confusion about friction in rotating ring
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12
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897
Problem n. 7 chapter 4 Eisberg Resnick "Quantum Physics"
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9
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748
A block dropping onto a spring system
2
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58
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Paper 'helicopter' experiment - Adding Weight Decreases Flight Time?
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20
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When are reactive forces enough to support this body?
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14
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Can A Vector Have Components Of Say Y or Z in the X-Hat Direction?
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A problem about momentum and the elastic collision of two particles
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13
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Identical Batteries in Parallel do not Draw Same Current, Non-Ideal?
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7
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Homework assignment that I was able to solve using EDO, but need to use Laplace now
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5
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Optimizing strength to weight in balsa wood deck arch truss bridge
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Displacement amplitude of the faintest sound detectable by a human ear
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28
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Designing a speed bump given the maximum vertical wheel acceleration
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18
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How do you Calculate Ampacity of a Conductor Geometry?
2
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A little annoying doubt -- Initial vertical speed of a jumping flea
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5
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777
Calculate the Acceleration of this Car
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Two ropes pulling on a cylinder that is translating and rotating on a plane
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2
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812
Optical path difference between two reflected rays
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4
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724
Why is the Celsius symbol not placed on the Kelvin unit?
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19
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Comparing weights of balloons
2
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projectile motion problem with no initial velocity given
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3
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Calculate the Capacitance given the Charge and Potential Difference
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692
How to solve this problem in sinusoidal motion? (Satellite orbiting the Earth)
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5
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Kinematics in multiple frames
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10
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Clarify definition of measurement
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732
Direction of oscillations of a polarised light wave
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12
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Find the height of a lamp based on the velocities of projectiles
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40
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Velocity of a water jet exiting a water tank drain tube
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5
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864
Electric Field Flux Question
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4
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783
Static equilibrium | Uniform sphere on incline | Determining friction
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43
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Energy Changes in Capacitor After Disconnecting from Battery
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4
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Entropy of a sealed room with an open-door refrigerator
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5
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Diffraction pattern from a grating
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3
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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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