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.
Spherical ball rolling back and forth in a bowl
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Determine the force with which the magnetic field of a coil acts on an infinitesimal cube of iron
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6
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977
Speed of charged balls after collision
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13
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1K
Electric Field of a quarter ring
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3
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643
Maxwell disc linked to bar unwinds but stays at same height by raising bar
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2
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674
Gauss' Law with a Insulating Shell
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21K
Induced EMF in a rotating ring
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14
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For what values of total energy is the resulting motion periodic?
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25
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Why are moments not included in free body diagrams?
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31
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2K
Ruler measurements and knowing how many decimal places to include
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9
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2K
Energy analysis of this system (curved ramp up and a spring)
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29
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1K
Dispersion of rightward steps in 1-D random walks
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3
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569
B-field from a current in a wire above a conducting surface
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1
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569
Determining impulse given stopping distance and change in velocity
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6
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704
Special Relativity: spaceships heading toward each other
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7
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755
Quantum Mechanics - Time dependent solution - x's and t's not mixed up
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2
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740
Torques acting on a cylinder, with friction
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1
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552
Block connected to 2 real pulleys
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18
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818
Manned spacecraft to Tau problem
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5
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585
Events occuring in 4D spacetime
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1
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524
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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687
Finding magnetic field using Ampere's Circuital Law
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5
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998
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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929
Trying to Calculate Initial Velocity and Final Velocity
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2
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734
Colour depends on wavelength or frequency?
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22
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1K
Magnetic field outside a semi-infinite solenoid
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12
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1K
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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746
Can a Falling Mass Generate 12V Using an Optimal Magnet and Coil?
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9
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756
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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739
Find temperature of a U-shaped Tube
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9
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780
How far do acorns drift in the wind?
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9
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621
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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951
Relationship between linear velocity and angular velocity
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7
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930
Is the Solution for Rotation of Spherical Mirrors Incorrect?
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16
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2K
How can I determine the instant the block overcomes static friction?
2
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61
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3K
General question about the definition of moment of force (Torque)
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7
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810
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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1K
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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625
Block and wedge problem -- Where am I going wrong?
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7
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976
Potential Energy Problem: Pulling a Chain up onto a Table
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3
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695
What is the maximum length of the spring?
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4
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784
Need some confirmation regarding induced currents
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1
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700
LASER Applications help please
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4
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700
Which movement has the greatest net work done?
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3
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602
Calculate the area of this pond with functions given for the perimeter
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2
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794
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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919
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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985
Net force between two conducting strips
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6
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854
Is My Answer Correct for Calculating Average Current on a Ring?
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8
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834
Correct Setup for Finite Difference to Calculate Quantum Tunneling
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2
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943
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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653
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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1K
Motor rotating at normal speed and then prevented from rotating
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2
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524
Force between charged particle and conducting cylinder
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10
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956
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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753
Two launches ferrying between two landing stations along a river
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23
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1K
Calculate how fast the car was travelling when brakes were applied
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1
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705
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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1K
Difficulty Understanding 'Drag Crisis' (transitionary period from laminar to turbulent flow)
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1
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969
Issues with SLS Model for Rubber and Foam Compression Tests
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5
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775
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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828
What Force must be exerted on the trolley for constant speed?
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1
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452
Two objects joined by a rectilinear cable rotating
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8
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912
Oscillation of system of three charges
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8
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885
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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803
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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649
Spaceship, Earth and proton problem in special relativity
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12
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861
Quantum - Postulate of getting specific momentum p = |A_p|^2
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7
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838
Effect of temperature on surface tension
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2
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1K
Need maximum weight on an extension machine
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2
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699
Finding a formula for displacement of a mass on a spring using v.
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2
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686
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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787
Shape of equipotential surface in 3d
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5
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821
A problem in this photoelectric effect experiment
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8
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967
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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570
Two Trains and a Bee: Distance Question
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3
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798

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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