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.
Charge separation of O-H bond in water molecule?
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Resonant frequency of L - R||C circuit
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Which one is a correct statement about oscillation?
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24
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Why doesn’t my electric motor work?
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3
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625
Scientific inference skill
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686
Find speed of CoM after collision between ball and "square structure"
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42
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How to make a motor for an assignment
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6
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725
Doubts on Diodes: Circuit Solving
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10
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1K
Dimension Analysis -Turkey Cooking
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982
Finding oscillation of SHM of this rod, mass and spring
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11
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836
Upside Down Paper-Glass Water Experiment
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832
How to read spacetime (Minkowski) diagram for proper length
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731
Velocity required to escape the solar system
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How do you calculate the margin of error in Physics?
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817
Simple harmonic motion question
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3
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747
Gauss' Law for Non-Uniform electric fields
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825
If closed integral of E.dS is zero over a surface, then...?
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14
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Gauss' law: Cause and effect relationship on the flux
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1K
No Electric Charges if No Electric Field in Region
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22
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2K
Least Square Method to fit a line to a set of datapoints
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899
How to Calculate Center of Pressure (hf) for a Tank?
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757
Maximum electric field from a blob
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773
Maximum tension in thread connecting loads
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What frequency will the bat hear?
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15
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951
Work done by gravity on a hanging chain?
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22
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1K
Tension in a supporting thread after a second supporting thread is cut
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16
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819
Entropy Change Confusion
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7
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910
Hot air balloon question with bouyancy
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5
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896
Pulley Problem on an Inclined Surface Using Energy Methods
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16
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1K
What is the tension in a charged ring?
3
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103
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12K
Pseudo Forces on a Mass in a Groove on a Rotating Disc
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5
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802
Vertical Wall approaching Man - Impulse and Momentum Conservation
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10
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975
How to calculate the moment of inertia of a rectangular cuboid?
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5
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845
Potential energy of an electrostatic system in equilibrium
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1K
Gauss' Law: Conductor, Insulator, Electric Field
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1K
Ambiguous question on momentum and how it works...
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13
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1K
Find the work done by a spring using potential energy considerations
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4
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720
Relationship between pressure and temperature for liquids
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17
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3K
Archived Displacement and Momentum, particle in cathode ray tube with variables
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3
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5K
IBDP Extended Essay Ideas -- Help please
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2
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Calculating Oscillation Period and Spring Energy in a Three-Mass System
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4
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742
Electric Field of a Toroid carrying a changing current I = kt on axis
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2
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843
Pulley system problem: 6 Pulleys and 1 Mass
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5
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914
Signs in torque - different analyses using different sign notations?
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11
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756
Why is the slope steeper in the given diagram?
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8
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928
Are the 2nd and 3rd problems in this video correctly solved? (charged dipole and organ pipe problems)
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3
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1K
Mirror placed horizontally between two half convex lenses
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11
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1K
Billiard Ball, Conservation of Angular Momentum, Force below CM point
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6
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928
Two vertical bars are connected at the bottom via resistance......
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7
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1K
What average power does the boy need to produce?
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12
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763
Projectile motion of two balls off a cliff
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4
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857
Focussing a collimated beam using a diffraction grating
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1
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699
Vertical spring & maximum length
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6
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1K
Lens Maker's Formula - Confusion in the derivation
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15
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1K
Energy of particle in simple harmonic motion
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13
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An ornament for a courtyard at a World's Fair is to be made up of four large metal spheres
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7
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854
Springs and Pulleys - Force analysis
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18
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1K
Confusion Calculating Young's Modulus
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5
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2K
Looking at the color vs line spectrum
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2
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572
How can I calculate the uncertainty of the mean with Gaussian error propagation?
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15
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911
How to show 400 neutrinos are present?
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2
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643
Change in apparent magnitude of a star after exploding
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3
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747
How do I correctly analyze the mass balance of a tractor seat?
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3
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646
Just looking for confirmation for a torque calculation
2
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60
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I solved few questions on kinematics -- Is my working correct?
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10
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7K
Tension Question for Ship Container and Wind Gust
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12
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954
Pressure and temperature phase diagrams
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6
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699
Solving for Work Done When Accelerating a Mass
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3
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772
Question about springs and rotational/translational energy
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4
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1K
Question about Rutherford experiment: Which of these could not be concluded?
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12
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2K
Equilibrium problem: Multiple forces acting on this hinged, supported beam
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3
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1K
Freefall chord through the Earth -- calculus proof
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Find the coefficient of stiffness of this spring (with non-negligible mass)
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9
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785
Friction of a sliding mass on a slope
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4
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685
Is it possible to measure SQRT(2) kg with a scale?
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8
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609
Trying to understand the relationships between Forces, Mass and Inertia
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10
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922
What would the voltmeters measure?
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7
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596
Siren frequency heard by observer when an ambulance passes
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26
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981
How to solve this kind of problem? (Mechanics Theory)
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16
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997
Energy in simple harmonic motion--car problem
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4
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691
Why am I calculating the unknown mass of ice incorrectly?
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22
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925
Question about absorption line spectra
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21
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What does it mean that when light is reflected the "wavelengths of each contributing hue are subtracted"?
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16
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Newton's 3rd Law of Motion: Is the Punching Bag punching back?
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4
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768
Oscillatory motion problem: Bicycle wheel rotation oscillation
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17
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937
Pressure versus stress in uniformly charged sphere
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11
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1K
Doubts on Diodes -- Why is voltage shifted by 0.7V?
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7
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2K
Angular Momentum Conservation | Velocity at perigee
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8
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766
Circuit with time varying current
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10
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849
Determining the Change in Bulb Brightness by Changing Circuit
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6
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1K
What does the middle of a chain on a pulley mean?
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9
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790
Constant acceleration problem: Dog chasing a surprised cat
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13
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Two bars connected by a spring on a floor with friction
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The derivative of the dot product "distributes" over each vector
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5
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Calculating the sum of displacement vectors
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5
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753
A problem about the laws of conservation: Bullet colliding with a wood block
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28
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Force on a point charge near a uniformly charged rod
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3
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971
Two rods with fixed angle, find the velocity of the crossing point
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1
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624
Stumped on mathematical proof
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13
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624
A 50 cubic foot tank contains saturated 134a at 100F and a quality of 50%
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11
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930

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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