Introductory Physics Homework Help Forum

Post thread
Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
  • Sticky
Homework Help Guidelines for Students and Helpers
Replies
2
Views
65K
  • Sticky
Hey I posted in homework help but now it's gone
Replies
1
Views
27K
  • Sticky
Homework Help: Introductory Physics Formulary
Replies
6
Views
138K
Mass Pulley and torque -- Confusion in this Atwood machine problem
Replies
11
Views
94
Confusion about work done by a gas - Thermodynamics
Replies
12
Views
245
Derive Gravitational Force and Field between two identical rods
Replies
1
Views
38
What's the energy stored in a parallel plate capacitor?
Replies
13
Views
118
A particle slides down a non-fixed hemisphere
Replies
3
Views
66
Two spring-coupled masses in an electric field (one of the masses is charged)
Replies
1
Views
56
Circular argument? Justification of equipotential points
Replies
1
Views
50
Find the equivalent resistance of this circuit
Replies
31
Views
2K
Drawing a decay scheme
Replies
1
Views
76
Determine the type of measurement by classification
Replies
2
Views
76
Rope tension problem: Mass hanging from a rope tied at an angle
Replies
21
Views
208
Potential in spherical shells
Replies
2
Views
123
Internal Resistance Affect the Balancing Length in a Potentiometer?
Replies
12
Views
172
Robot starts to overturn when reaching to pick up a load
Replies
2
Views
143
Distance rolled of sphere vs cylinder with same m, r, and v
Replies
5
Views
119
Determine energy required to stop rolling mass
Replies
10
Views
107
Required force for sphere start rolling
Replies
2
Views
86
Conservation of String Exercise
Replies
5
Views
195
Reflection and Transmission of String Waves
Replies
8
Views
157
Tension in a rope hanging between 2 trees
Replies
24
Views
409
How do I calculate the Tension in a rope going over a smooth pulley?
Replies
19
Views
254
Liquid rocket engine excercise
Replies
1
Views
433
Connecting a number of EMF sources in a circle to form a circuit
Replies
9
Views
248
Friction force on a ball falling through a body of water
Replies
9
Views
253
Conveyor Belt Lifting Boxes
Replies
6
Views
168
Gradient and Divergence in spherical coordinates
Replies
3
Views
1K
Making a vehicle go straight on carpet
Replies
8
Views
166
A Braking System with Spikes for Cars
Replies
4
Views
178
Torque on a Circular Current Loop under a Misaligned Magnetic Field
Replies
1
Views
173
Rod with Current on Rails in Magnetic Field
Replies
12
Views
291
A problem in applying Kirchhoff's Voltage Law
Replies
1
Views
167
Body attached to a block by a spring, shaped like an inclined plane
Replies
1
Views
177
Ball revolving around a massive disc and a cube placed at centre
Replies
1
Views
251
A cylinder rotating on a plane with friction and then moving across a frictionless plane to a collision
Replies
1
Views
226
Confusion about applying Faraday's law to a circuit
Replies
2
Views
223
Finding the intermediate height of a ball in terms of its maximum height
Replies
3
Views
222
Time taken for a planet to collide with the Sun
Replies
10
Views
241
Why is there no current flow in the middle branch? (Circuits problem)
Replies
8
Views
281
Temperature dependence of resistance
Replies
6
Views
267
Find the density of surface charges at the boundary of two conductors with different resistivities
Replies
6
Views
265
Trying to tie two runners of different speeds over a race
Replies
30
Views
485
Can Energy Conservation Solve the Angular Velocity Problem?
Replies
6
Views
252
How do we represent a triangle wave for input voltage in this circuit?
Replies
3
Views
244
Find V-I characteristic for this circuit with ideal diode
Replies
1
Views
250
Why is Radial Acceleration Ignored for a Rotating Board?
Replies
9
Views
336
Concept of different accelerations on rotations of rigid bodies
Replies
10
Views
366
Relativistic Decay and Separation Between Moving Nuclei A and B
Replies
1
Views
258
Looking for observed rotation periods of various Foucault pendulums at different latitudes
Replies
6
Views
346
Textbook 'The Physics of Waves': Varying Force Amplitude
Replies
3
Views
296
Expression for magnitude of the constant friction force
Replies
7
Views
318
Energy conservation equation to find equation for final velocity
Replies
4
Views
355
How Many Eggs to Turn a 40lb Flywheel in a Vacuum?
Replies
10
Views
448
Effect of rim width on a frisbee's stability and range
Replies
8
Views
285
Rocket + Connected Body Dynamics problem
2
Replies
47
Views
805
Quantum Mechanics Boundary conditions
Replies
3
Views
234
Uncertainty in particle position
Replies
3
Views
211
Reflection probability in Quantum Mechanics
Replies
2
Views
207
Why is the direction of kinetic/static friction up a ramp?
Replies
7
Views
304
Heated gas pushing a mercury column out of a cylinder
Replies
10
Views
349
Temperature of two subsystems at equilibrium
Replies
7
Views
312
Doppler Effect Question: Flying Bat Echolocating a Mosquito
Replies
12
Views
482
Final momentum of box with reflective interior hit by ideal laser
Replies
4
Views
357
Explain why applying different forces to objects of different masses result in different accelerations
Replies
9
Views
542
Incandescent Bulb - suitable approximation for voltage-current curve
Replies
2
Views
305
Diophantine equations and physics
Replies
1
Views
496
Underground cables faulty point detected
Replies
24
Views
430
Motion of an electron inside the cavity of a charged sphere
Replies
5
Views
302
How to solve this driven RLC circuit?
Replies
13
Views
463
Electrostatics and current problem with 3 metallic balls
Replies
29
Views
513
How to set up this problem with driven torsional oscillator?
Replies
5
Views
264
Find the mass of odium for both solid and liquid state
Replies
9
Views
381
Find the final temperature of the combined honorite and odium?
Replies
5
Views
343
Difference between maximizing amplitude by choosing omega_0 given omega_d versus choosing omega_d given omega_0.
Replies
4
Views
395
Mechanisms Involved When Charging a Battery
Replies
10
Views
493
Find final temp of 2 substances once they have reached equilibrium
Replies
6
Views
332
What is the meaning of the intercept of a particular solution to damped oscillator?
Replies
7
Views
404
Magnetic Field of an infinite current-carrying wire at a point
Replies
5
Views
423
To what extent does this system behave as a pendulum?
Replies
1
Views
300
Force on a block placed on a rotating disc, calculated in different reference frames
Replies
25
Views
692
How does a simple circuit work?
Replies
12
Views
426
Why is current constant through a resistor?
Replies
11
Views
417
Did I Misuse the Parallel Axis Theorem for Polar Moment of Inertia?
Replies
2
Views
338
Why is the current in a conductor equal to zero when not connected to a circuit?
Replies
13
Views
437
Why does electric potential energy increase if you move against the field?
Replies
6
Views
313
Determining angular velocity of weight attached to a cord and cylinder
Replies
23
Views
552
Electromagnetic force on a positively charged particle
Replies
3
Views
308
Why would this be accelerating positively?
Replies
6
Views
365
Calculating the Relative COG of Two Masses
Replies
20
Views
537
Pistons placed on top of communicating vessels
Replies
20
Views
468
How would I find data on the Luminosity of Cepheid variables?
2
Replies
39
Views
1K
Is Linear Momentum Conserved in This Case? (sliding box hits a floor tile)
Replies
2
Views
342
Ray optics: velocity of image reflected off a moving mirror
Replies
5
Views
365
Analyzing torque of an automobile engine
Replies
6
Views
463
Confusion over acceleration of gravity as positive/negative
Replies
10
Views
406
A cylinder has two sides containing gas and water separately
Replies
4
Views
323
Finding the angular velocity of a pendulum
Replies
3
Views
319
Number of bright fringes given by diffraction grating on a screen
Replies
6
Views
2K
How Many Lines Per Millimeter Does the Diffraction Grating Have?
Replies
5
Views
14K
What’s gone wrong with my derivation of the Lorentz Factor?
Replies
7
Views
405
Find ratio of brightness & the distance the 6th dark fringe is from central fringe
Replies
5
Views
352

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.

Hot Threads

Recent Insights

Back
Top