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
64K
  • Sticky
Hey I posted in homework help but now it's gone
Replies
1
Views
26K
  • Sticky
Homework Help: Introductory Physics Formulary
Replies
6
Views
137K
Sign conventions for Kirchhoff's loop rule
Replies
7
Views
331
Resistance force changing the velocity of an object
Replies
8
Views
100
Thermodynamics: Cooling of a heated block of iron in contact with air
Replies
29
Views
339
Work done by power supply to maintain a constant current
Replies
0
Views
37
Unit vectors that change as a function of time
Replies
13
Views
131
Electric field at a point inside a non-uniformly charged sphere
Replies
6
Views
39
Looking for data about different types of carbon fiber chemical properties
Replies
2
Views
54
Angular momentum conservation on a merry-go-round
Replies
5
Views
82
Power dissipated over 1 cycle of a AC source-free RLC series circuit?
Replies
6
Views
146
Angular momentum for a bullet and a rod attached to a ceiling
Replies
17
Views
88
Force Between 2 Coaxial Current-Carrying Loops
Replies
4
Views
52
How Long for a Beam of Light to Reach Earth?
Replies
21
Views
199
Particle confined in 3D box - quantum states
Replies
5
Views
76
How to Calculate θ3 After Finding θ2 Using Snell's Law?
Replies
9
Views
58
Electric field vector equation: Finding the neutral point for two charges
2
Replies
35
Views
164
Find number of microstates of combined system
Replies
22
Views
198
Experiment measuring the distance dependence of a suspended metal bolt from a magnet
Replies
13
Views
133
Induction confusion for induced charge inside a metal conductor
Replies
23
Views
195
Significant figures doubt
Replies
3
Views
82
What would the slope of the force between 2 charged particles vs 1/r^2 give me?
Replies
1
Views
71
Gauss' law and the potential V (plane layer case)
Replies
7
Views
134
Water flowing out of a rotating vessel
Replies
30
Views
133
Using Kepler's laws to calculate elliptical planetary motion
Replies
7
Views
111
Help with Friction Forces: Box resting on a board on a frictionless surface
Replies
5
Views
108
What is the unknown circuit element in RLC circuit given plot of V, I?
Replies
4
Views
91
Find at what rate the orbit radius will grow
Replies
30
Views
423
Initial velocity of rolling ball
Replies
2
Views
4K
Did my textbook make a mistake when writing these units?
Replies
5
Views
152
Confusion Calculating Young's Modulus
Replies
4
Views
124
Calculation of current in driven series RLC circuit
Replies
7
Views
108
Fresnel Lens - Solve for Lithography & Power
Replies
0
Views
66
Physics about electric circuits: Changing the resistors changes the currents
Replies
3
Views
95
Can Geiger Counter Ticks be converted into particle/wave counts?
Replies
3
Views
110
Thermodynamic Work vs Mechanical Work
Replies
3
Views
78
Classic Incline problem with cylinder
Replies
13
Views
155
Using conservation of energy and momentum in projectile motion
Replies
18
Views
158
Non-Uniform Magnetic Field Calculations
Replies
8
Views
189
Torque calculation of CV joint
Replies
2
Views
124
Lagrange equation for block and incline
Replies
13
Views
136
Fundamental quantities and derived quantities
Replies
5
Views
81
Projectile Motion Problem Involving Initial Velocity and Gravity Only
Replies
11
Views
173
Cart sliding along horizontal with spring connected
Replies
11
Views
98
Does the voltage across a battery include its internal resistance?
Replies
8
Views
147
Calculate electric force using Coulomb's law (vector components are the struggle)
Replies
3
Views
97
Two tourists and a bicycle - uniform motion
Replies
25
Views
317
How many people can be on the raft?
Replies
10
Views
127
Find the magnetic induction vector
Replies
3
Views
107
Blowing Into Your Own Sail
Replies
25
Views
207
Drag Forces and Terminal Velocity
Replies
8
Views
111
Why the need to be careful opening a switch on this RL circuit?
Replies
6
Views
128
Ratio of frequency between heavier and lighter part of composite cord
Replies
4
Views
91
Need help, to help, a friend with their HW (High School)
Replies
6
Views
112
Current in circular wire surrounding infinite solenoid in a circuit
Replies
7
Views
114
Determining the sound level of a leaf blower
Replies
1
Views
73
Average velocity in different coordinate systems
Replies
27
Views
256
GRIN Lens - Gradient Coefficient Expression
Replies
5
Views
115
Help please on essay about star formation
Replies
5
Views
138
Torque on a Pivot Point With Multiple Forces and Different Directions
Replies
6
Views
145
Variation of escape velocity with equal surface gravity
Replies
7
Views
128
How to calculate gamma ray energies following beta decay?
Replies
12
Views
124
Minimum force to tip the bin over
Replies
7
Views
117
Depth of a basketball floating on water
Replies
9
Views
183
Keplerian Telescope and real image
Replies
7
Views
136
Concept about photoelectric effect
Replies
17
Views
328
Dynamic system of self balancing robot
Replies
4
Views
142
Max inversion temperature for a gas (Dieterici’s equation of state)
Replies
4
Views
270
Closed cycle of an ideal gas
Replies
3
Views
174
Why is the tension in a massive cable always tangent to its portion?
Replies
5
Views
1K
How can I maximise the exit velocity of an object catapulted up?
Replies
2
Views
142
Statistical mechanics: particles in magnetic fields
Replies
2
Views
146
Calculating Magnetic Field at Point P for Perpendicular Current-Carrying Wires
Replies
2
Views
117
Calculation of Ramp Jump Distance Using Projectile Motion Formulas?
Replies
12
Views
122
Help with designing a power generating system
Replies
3
Views
138
Max Impulse on a pendulum
Replies
1
Views
117
Angle that makes kinetic and potential energy of simple pendulum equal
Replies
2
Views
154
Introduce a battery to an LR circuit
Replies
16
Views
248
Planar pendulum with rotating pivot
Replies
7
Views
115
Lagrangian for a rod pivoting at the end of a clock hand
Replies
4
Views
120
Lagrangian of a block on an inclined plane
Replies
15
Views
184
Sheet of charge - theory
Replies
1
Views
110
Cables, pulleys, 2 weights
Replies
4
Views
163
Balmer series experiment
Replies
2
Views
158
Spherical pendulum confusion [Issue resolved]
Replies
2
Views
134
Launch service between two stations along a flowing river
Replies
21
Views
217
Book plots position & force on the same graph, still gets right answer
Replies
8
Views
211
Why is source force + electrostatic force = 0 inside battery?
Replies
10
Views
233
Relativistic motion and length contraction
2
Replies
44
Views
496
Circular motion doubt: Angular velocity vector for general planar motion about a point in the plane
Replies
6
Views
156
Critical frequency of Faraday Waves?
Replies
6
Views
320
Find starting velocity from golfer launching ball
Replies
7
Views
192
Why is the electric field inside a conducting hollow/filled sphere zero?
Replies
2
Views
120
Slope of N - t graph of radioactive decay
Replies
2
Views
128
Question about Feynman diagram showing annihilation
Replies
4
Views
167
Coupled oscillator question
Replies
2
Views
131
Tension in a Two-Crate System on a Frictionless Surface
Replies
7
Views
167
Forces at play in a pendulum (conceptual doubt)
Replies
7
Views
194
How do I fix the signs in Faraday's Law in RL Circuit?
Replies
5
Views
183
Resistivity calculation from two-probe resistance measurement of sheet
Replies
2
Views
140
Simple pendulum with moving support
Replies
4
Views
160
change in the unit vectors
Replies
10
Views
156

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