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.
Magnetic field outside a semi-infinite solenoid
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12
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829
An ambigious optical system with ambigious solutions [JEE Adv - 20`16]
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20
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1K
Lagrangian of a block on an inclined plane
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16
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714
Failed rocket problem (momentum conservation, Kleppner 4-4)
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3
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401
Find the magnitude of the child's acceleration
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6
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475
Can a Falling Mass Generate 12V Using an Optimal Magnet and Coil?
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9
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512
Double pendulum Lagrangian using small angle approximation formula
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5
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546
Euler- Lagrange equation proof
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2
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428
Find temperature of a U-shaped Tube
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9
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470
How far do acorns drift in the wind?
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9
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466
Rpm and power for this electric motor, gearbox and pulley system
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19
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596
Normalising the wavefunction - two answers
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12
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650
Relationship between linear velocity and angular velocity
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7
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540
Is the Solution for Rotation of Spherical Mirrors Incorrect?
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16
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838
How can I determine the instant the block overcomes static friction?
2
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61
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2K
General question about the definition of moment of force (Torque)
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7
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449
What's the pressure long before the fluid exits a pipe?
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13
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642
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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774
Induced charge on a conducting sphere sliced by a plane
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2
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660
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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768
Question about the current components inside the Corbino disk
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11
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636
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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384
Block and wedge problem -- Where am I going wrong?
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7
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593
Potential Energy Problem: Pulling a Chain up onto a Table
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3
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397
What is the maximum length of the spring?
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4
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453
Need some confirmation regarding induced currents
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1
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443
LASER Applications help please
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4
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444
Which movement has the greatest net work done?
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3
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361
Calculate the area of this pond with functions given for the perimeter
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2
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467
Why are the electrostatic field lines normal to a charged conductor?
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10
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677
Electric field of a sphere and a shell
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16
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467
Rigid body dynamics: A rod with two masses rotates down from a horizontal starting position
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21
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649
Equivalent Resistance of Cube of Resistors: A to B
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6
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3K
Will my weather balloon work in the Stratosphere?
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5
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759
This question caused a debate in the class: EMF from a changing magnetic field
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7
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708
Net force between two conducting strips
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6
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533
Is My Answer Correct for Calculating Average Current on a Ring?
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8
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543
Correct Setup for Finite Difference to Calculate Quantum Tunneling
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2
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548
Confused about interefence patterns
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16
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779
Magnetization of a paramagnetic sphere
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11
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703
Help with a Physics car project please
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2
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399
Solving projectile motion problems using Lagrangian mechanics
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9
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777
What distance will be covered before coming to stop?
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12
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683
Motor rotating at normal speed and then prevented from rotating
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2
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334
Force between charged particle and conducting cylinder
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10
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570
Tension in a deformed cylindrical bag on a surface
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18
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747
Finding the shape of a hanging rope
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3
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475
Two launches ferrying between two landing stations along a river
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23
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915
Calculate how fast the car was travelling when brakes were applied
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1
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379
Contact Mechanics: Deformation of a ball on a surface
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3
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610
How to calculate the velocity of water streaming into the boat?
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19
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601
Difficulty Understanding 'Drag Crisis' (transitionary period from laminar to turbulent flow)
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1
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447
Issues with SLS Model for Rubber and Foam Compression Tests
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5
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474
Stress on a spaghetti rod balanced from its middle
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6
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626
How to calculate the degrees of freedom of a simple multi-body system?
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5
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494
What Force must be exerted on the trolley for constant speed?
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1
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331
Two objects joined by a rectilinear cable rotating
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8
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517
Oscillation of system of three charges
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8
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575
Bees and Trains: A distance problem
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19
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856
Extension of spring in a system with two pistons
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16
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564
Classical Mechanics: Rocket Propulsion Calculation
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10
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739
Missing negative sign in my textbook's answer?
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1
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402
Spaceship, Earth and proton problem in special relativity
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12
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543
Quantum - Postulate of getting specific momentum p = |A_p|^2
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7
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496
Effect of temperature on surface tension
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2
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480
Need maximum weight on an extension machine
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2
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452
Finding a formula for displacement of a mass on a spring using v.
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2
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363
Correct Derivation of the Adiabatic Condition? (PV Diagram)
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4
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582
An "x" from nowhere, mistake by textbook? (induced voltages)
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2
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400
Shape of equipotential surface in 3d
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5
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442
A problem in this photoelectric effect experiment
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8
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551
Problem in understanding angular momentum of a rigid body
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10
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793
Shape of Slinky being twirled in 0 gravity
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4
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336
Two Trains and a Bee: Distance Question
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3
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453
A falling resistive disk in uniform magnetic field
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17
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657
How can I maximise the exit velocity of an object catapulted up?
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4
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582
Which block reaches the wall faster?
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2
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650
Is this a mistake in my textbook's answer about induced voltage question?
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1
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464
Horizontal component of the Coriolis force
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2
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440
Flux linking (and de-linking?)
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6
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493
Force on a rotating wheel/disc
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25
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928
Magnus Effect Equations and Mechanics
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12
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473
Forces involved in principle of virtual work
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2
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410
Absolute motion analysis of pulley-spring system
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10
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671
Lagrangian for a rod pivoting at the end of a clock hand
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5
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593
Electric field external to Conducting Hollow Sphere with charge inside
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23
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2K
Lorentz force and induced electric field
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6
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720
Please explain this suggested solution for the field inside a charged hollow sphere
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17
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658
Deriving a formula for KE (rolling + projection)
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2
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347
Simple Static 3-Particle Model
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2
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300
I am confused about air density/drag
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12
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672
Problem about non-inertial reference frame
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8
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561
How to calculate the force exerted by the "tendon" on the "tibia" bone?
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4
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622
Range of an object launched on a downward hill
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12
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629
Resistance of three-dimensional objects
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10
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642
How to understand typo in MIT OCW chapter on Poynting vector?
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4
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437
What does having 3d symmetry 2d symmetry and 1d symmetry mean?
2
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36
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1K
Spaceship length contraction problem
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4
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330
Measuring Acceleration on a Bike using Phyphox
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33
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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.

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