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.
Confused by Lorentz transformation equation
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Final speed of particle far away from rings with opposite charges
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Is the Total Energy Change in a Closed System Always Zero?
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Sound absorption/Acoustuic attenuation coefficeint (α(ω)) of PVC foam?
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585
Is potential energy defined only for internal conservative forces?
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How to Determine Temperature Difference Between Two Stars Using Spectral Lines?
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A sphere held steady on a slope by a rope
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Find force as a function of position: F=F(x) using v=v(t)
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6
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989
Refractive index of seawater and a diver transmitting RF for 100 meters
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3
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688
Bead sliding along wire with constant horizontal velocity -- Shape of wire?
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Forces applied to a spring-loaded gas pedal
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Index Notation, Identity Matrix
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625
Create a physics problem for me!
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5
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772
The movement of a package on a conveyor belt
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777
Calculate how much weight the crane could lift
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3
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997
Energy stored in a double spring system
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Torque calculation based on distributive load
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5
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850
How Much Explosive Force is Needed to Overcome Drag and Elevate a Car?
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9
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917
How should this Beam Loading experiment be designed?
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10
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Surface area of inclined XY plane at 45 degrees
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4
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922
Two masses on a slope with a connected tension force
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5
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How to write this expression in terms of a Hyperbolic function?
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679
(Magnetism) Magnetic pull force on a steel ball
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Why is the Bridge Crane Force 2820 N?
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614
Gauss' law for a cavity in an insulator
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699
Punching a hole in a tape moving at relativistic speed
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26
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Fast and Furious Scene Analysis
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Can the polarity at the 2 ends of a solenoid be the same in normal conditions?
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2
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776
Special relativity and standard configuration
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40
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Calculating Force and Acceleration in a Two Block System with Varying Friction
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6
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How to calculate velocity of infinite-stage rocket?
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How does burn time affect the parameters in the rocket equation?
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2
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694
Tension & Circular Motion Question - Looking for speed
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5
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755
Conservation Laws and Velocity Reversal in 1D Collisions
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10
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979
Final Velocity of a car with a opposing decreasing drag force
2
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57
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Can You Convert Meters to Kilograms?
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26
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Kinetic Energy being larger than Mechanical Energy in a Hotwheels Lab
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16
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804
Amplifier gain in resonant RLC circuit
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5
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How does a difference in air pressure induce a force?
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15
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Having a hard time learning Newton's 2nd law
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5
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How Do You Incorporate Drag Force in Free Body Diagrams for Multiple Objects?
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1
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704
What is the definition of the dalton (Da) unit?
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10
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Magnetic field due to electric wire
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Can the Voltage Across a Capacitor Be Greater Than the Source Voltage in a Series RLC Circuit?
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3
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Calculate the magnetic moment of a rotating sphere
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17
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Ejected out from an accelerating spaceship
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5
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Find the man's tension pulling the rope
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4
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730
Calculate density of neutrons in a beam
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8
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How does the rise in temperature of fuse wire depend upon its radius?
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12
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Relative Motion: Understanding the Relationship Between Moving Objects
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23
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Catching a loaf of bread thrown vertically at a window
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25
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Can the Magnetic Field Be Determined Using Biot-Savart Law Superposition?
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950
How do we know the point of 0 electric field is on the axis?
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3
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830
How Does Changing Distance Affect Microwave Path Difference?
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7
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891
How to find the cube roots of a real number not equal to 1?
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9
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769
Position and acceleration in simple harmonic motion given velocity
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16
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Rigid Body problem please help
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13
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759
Equilibrium problem: Calculate the tension of each cord
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8
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I Thought I Understood Gauss' Law (Sheets)
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26
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Determining field between oppositely charged conducting plates
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6
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Coefficient of kinetic friction of a block sliding across the ceiling
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7
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Understanding the Proper Uncertainty Formula to Use
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4
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934
A water-bottle demonstration of atmospheric pressure
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6
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Moment of inertia of a cuboid parallel to one of its faces (repost with diagram)
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25
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Average velocity for two different types of motion along same path
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22
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Heater power keeping a room constantly warm from low temperatures outside
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9
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759
Power delivered to wheels of car with constant air resistance
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3
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1K
Angular frequency of two hanging bobs of different masses
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12
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991
Two concentric conducting spherical shells and resistor in between
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4K
Linearizing a circuit with a nonlinear element
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732
Work done by friction on a hockey puck
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4
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Work done on crate moving on incline
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28
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What does a Zener diode do in a circuit with non-ideal voltage source?
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Half life of multi chain decays
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608
Find thermal capacity of a Van der Waals gas
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31
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Why Is My Bungee Cord Tension Calculation Incorrect?
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15
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An optics question concerning pictures taken by camera
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27
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'Police Car Catching Up' problem in kinematics
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16
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Solving for φ on an oscillation problem
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17
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Two dimensional motion problem (kicking a soccer ball into the goal)
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3
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Potential and Electric Field near a Charged CD Disk
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2
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(Help) Surface charge density (σ) for particle to hit plate...
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4
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987
Electric field strength and direction problem (need help)
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6
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Moments question help requested, unsure where I went wrong
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4
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583
Relativity: Cosmic ray proton traveling to Earth
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12
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Minimizing the Energy of Two Conductors Very Far Apart
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23
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How Do Signs Affect Energy Calculation?
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18
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Elastic collision with a massless box
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5
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Electric field on the axis of a ring-shaped charged conductor
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1
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Moment of inertia of a rectangular prism parallel to one face
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11
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Find the transit time of the train
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23
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969
British physics olympiad problem: A ball bearing bouncing off a steel cylinder
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2
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763
Question about the thermodynamic temperature scale
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Why can we model spherical capacitor with two dielectrics as two capacitors in series?
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4
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Conservation of Energy with springs
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13
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Force on a charge from a nearby charged rod
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2
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Is my textbook wrong about absolute uncertainties?
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2
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Kinematics, curvilinear motion (a couple of questions)
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30
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Why Is the Electric Potential the Same for Inner and Outer Semi-Circles?
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7
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When Do Sand Particles Slip Off a Vibrating Plate?
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13
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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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