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.
How is the slider connected to the switch?
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812
Thermal expansion of a glass rod and a metal ruler
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8
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818
A problem from a physics national competition
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13
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1K
Change in entropy of the surroundings in an irreversible process
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14
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993
Surface current of superconducting sphere in magnetic field
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834
Force of car pushing on a truck
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Force needed to raise a backpack
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779
Uniform circular motion angle relationship
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6
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658
Simulating a Rotary Inverted Pendulum in Python
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1K
Pressure of water coming out of a hose nozzle
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7
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992
Focal length of the eyepiece lens in a compound microscope
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7
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Find the magnitude of the child's acceleration
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Why are these forces not included in the solution? (Torque Problem)
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Why do compasses always point in the wrong direction?
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6
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909
Charge on disk with non uniform surface charge density
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Optics problem with a glass lens immersed in water
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3
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785
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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753
1-dimensional kinematics - final velocity of 2 trains in opposing direction
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3
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855
Total energy of a wave on a string
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898
What happens to the position of two attracting charges when a conductor is inserted between them?
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707
Spring force required to overcome friction between two blocks
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10
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879
Rolling without slipping problem
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42
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Stopping a rod moving with constant omega
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13
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909
Handling two SHMs in different directions
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18
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925
Sound in an Open Vertical Tube partially filled with Water
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4
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854
Best Egg Drop Contest Shock Absorber?
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1
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742
Problem involving SHM and a collision
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27
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989
Calculate the velocity of the canoe relative to the water
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8
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892
Amplitude of a stretched spring that is stretched further
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6
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757
Waves on a String Fixed at the Ends
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7
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898
Electric Potential Energy of Point Charge Systems
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2
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948
Landing reusable booster rockets
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35
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2K
Problem with the power of car
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3
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874
Tangential velocity of external satellite
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7
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729
Will my weather balloon work in the Stratosphere?
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2K
Angular momentum- rotating rod
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Transverse mechanical waves in a steel wire
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10
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929
Thermodynamics - Dryness fraction Equations
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1
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641
Dryness fraction of saturated steam
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2
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1K
help whit problem of college admission exam
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5
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822
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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920
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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574
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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855
Rotating ring on a rough surface- but with a twist
4
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151
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4K
Electric potential of nested spherical shells
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4
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874
Another rotation problem -- Acceleration of a ring rolling on a surface
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1
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728
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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1K
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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885
Problem n. 7 chapter 4 Eisberg Resnick "Quantum Physics"
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9
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729
A block dropping onto a spring system
2
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58
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2K
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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1K
Can A Vector Have Components Of Say Y or Z in the X-Hat Direction?
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8
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913
A problem about momentum and the elastic collision of two particles
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13
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2K
Identical Batteries in Parallel do not Draw Same Current, Non-Ideal?
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7
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896
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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1K
Optimizing strength to weight in balsa wood deck arch truss bridge
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1
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897
Displacement amplitude of the faintest sound detectable by a human ear
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28
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1K
Designing a speed bump given the maximum vertical wheel acceleration
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18
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1K
How do you Calculate Ampacity of a Conductor Geometry?
2
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64
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6K
A little annoying doubt -- Initial vertical speed of a jumping flea
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5
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760
Calculate the Acceleration of this Car
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7
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993
Two ropes pulling on a cylinder that is translating and rotating on a plane
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2
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794
Optical path difference between two reflected rays
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4
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703
Why is the Celsius symbol not placed on the Kelvin unit?
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19
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1K
Comparing weights of balloons
2
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2K
projectile motion problem with no initial velocity given
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3
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718
Calculate the Capacitance given the Charge and Potential Difference
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1
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676
How to solve this problem in sinusoidal motion? (Satellite orbiting the Earth)
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5
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664
Kinematics in multiple frames
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10
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916
Clarify definition of measurement
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6
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717
Direction of oscillations of a polarised light wave
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12
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993
Find the height of a lamp based on the velocities of projectiles
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40
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2K
Velocity of a water jet exiting a water tank drain tube
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5
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845
Electric Field Flux Question
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4
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767
Static equilibrium | Uniform sphere on incline | Determining friction
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43
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2K
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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902
Diffraction pattern from a grating
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3
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850
Question About Induced Currents in Three Different Coils
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10
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802
Is this question solvable by resolution of forces?
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22
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971
Need my mind refreshed on geometry
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9
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747
Kinematics problem involving multiple frames
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6
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786
Why do water streams get thinner as they fall?
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6
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3K
Differential Equation of a Pendulum
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32
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Time taken to slide down a circular path (with friction)
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43
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2K
Block sliding on vertical track with friction (Solved problem)
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4
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2K
Which of these rods are in equilibrium?
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39
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3K
Uncertainties For Wave Packets
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4
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964
Separation of variables: Wave equation governing a string with fixed ends
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8
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1K
Interpretation of Negative Time in Minkowski Diagram
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1
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767
Order of events in a train traveling at v = 0.76c
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28
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2K
Physics Exam Preparation: General question about auxiliary quantity and linearization of a function in physics
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27
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1K

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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