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
63K
  • 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
Relativistic elastic proton collision
Replies
1
Views
25
Introduce a battery to an LR circuit
Replies
2
Views
29
Balmer series experiment
Replies
1
Views
38
Launch service between two stations along a flowing river
Replies
21
Views
131
Book plots position & force on the same graph, still gets right answer
Replies
8
Views
111
Why is source force + electrostatic force = 0 inside battery?
Replies
10
Views
123
Relativistic motion and length contraction
2
Replies
44
Views
278
Circular motion doubt: Angular velocity vector for general planar motion about a point in the plane
Replies
6
Views
70
Critical frequency of Faraday Waves?
Replies
6
Views
145
Find starting velocity from golfer launching ball
Replies
7
Views
112
Why is the electric field inside a conducting hollow/filled sphere zero?
Replies
2
Views
39
Slope of N - t graph of radioactive decay
Replies
2
Views
61
Question about Feynman diagram showing annihilation
Replies
4
Views
81
Coupled oscillator question
Replies
2
Views
47
Tension in a Two-Crate System on a Frictionless Surface
Replies
7
Views
82
Forces at play in a pendulum (conceptual doubt)
Replies
7
Views
122
How do I fix the signs in Faraday's Law in RL Circuit?
Replies
5
Views
100
Resistivity calculation from two-probe resistance measurement of sheet
Replies
2
Views
66
Simple pendulum with moving support
Replies
4
Views
73
change in the unit vectors
Replies
10
Views
84
Coupled pendulum-spring system
Replies
3
Views
53
Field transformations in the z-direction
Replies
7
Views
943
Pendulum attached to a rotating vertical disk
Replies
2
Views
73
The value of the spring constant k that I calculate seems too high
Replies
11
Views
133
Understanding the math of definition of electromotive force
Replies
1
Views
85
Length of string in a standing wave
Replies
19
Views
238
Field due to an electric dipole (Halliday & Resnick, Ch. 27 problem 23)
Replies
3
Views
64
Understanding a very simply RL circuit
Replies
1
Views
65
Small oscillations of a simple pendulum placed on a moving block
3
Replies
73
Views
707
Lab Exercise: Measuring "g" using Conservation of Energy
Replies
12
Views
119
Kinematics problem from a competition: Will the 2 sliding boxes collide?
Replies
6
Views
172
Flashing light beacon from Earth reaching spaceship moving away at 0.75c
Replies
5
Views
132
Rolling Sphere On Incline
Replies
1
Views
65
Block sliding on a semicircular track with friction
Replies
10
Views
160
The maximum reversible work in thermodynamics (2)
Replies
1
Views
112
Formula derivation connecting vertical water flowrate & horizontal distance moved by a suspended sphere
6
Replies
207
Views
3K
Impulse and momentum / work-energy
Replies
5
Views
139
The maximum reversible work in thermodynamics
Replies
22
Views
359
Do you graph the energy levels of a ##1s^1## atom the same as a ##1s^2## atom?
Replies
12
Views
124
Magnetic dipole moment and integration surfaces (Introductory Electromagnetics - Magnetistatics)
Replies
4
Views
107
Charge on a grounded conducting sphere in a uniform electric field, after ungrounding and movement
Replies
1
Views
112
Conservation of momentum (center of mass) in projectile launches
Replies
15
Views
232
Range of frequency heard by observer related to Doppler effect
Replies
8
Views
153
Vertical displacement with time of a projectile
2
Replies
48
Views
623
Spring Constant Force Problem Help
Replies
12
Views
206
Is current flowing into a battery always equal to current flowing out?
Replies
12
Views
179
Total Internal Reflection and Transmitted Wavelength
Replies
1
Views
94
Understanding self-inductance in a solenoid.
Replies
3
Views
102
Condition for resolution of two point sources of light
Replies
2
Views
129
How does an eddy current brake work exactly?
Replies
1
Views
153
How do I model this function? (Damped Harmonic Motion)
Replies
19
Views
257
emf in coil rotating inside magnetic field
Replies
3
Views
126
Refraction of light when traveling from air to glass
Replies
6
Views
155
Ion moving through electric potential difference and magnetic field
Replies
6
Views
128
Finding critical angle: not sure which one is correct
Replies
13
Views
157
Origin of repulsive force on a magnet approaching conducting ring?
Replies
5
Views
171
A wheel of radius r rolls along a curve
Replies
13
Views
321
Electronic Circuits - Calculate voltage
Replies
4
Views
295
Newton's third law and weight
Replies
13
Views
205
Query related to Two-Dimensional Motion
Replies
9
Views
191
Camera drone and speed of air below it
Replies
5
Views
132
Graph of viscous force and velocity
Replies
15
Views
160
Projectile motion, initial height and range given, find initial velocity
Replies
8
Views
525
Need to derive a formula for the number of red giants
Replies
8
Views
258
Question about time dilation
Replies
22
Views
201
Derive trig equations 4, 5, and 6 from 1, 2, and 3
Replies
13
Views
2K
Friction - same direction as motion?
Replies
10
Views
248
Center of mass acceleration for an inclined plane and mass m
Replies
18
Views
273
A jet problem -- How hard to pull back on the controls to avoid colliding with a hill?
Replies
2
Views
134
How Does Coriolis Force Influence Particle Motion in Rotating Systems?
Replies
3
Views
157
2 Masses attached by a spring in the vertical axis
Replies
8
Views
202
Minimum work done to push the cube over
Replies
14
Views
224
Gauss' Law for a conducting / non-conducting sheet
Replies
5
Views
189
Feynman Diagram of Meson decay
Replies
8
Views
187
Find the value of ##t## when ##P## returns to ##X##- Kinematics
Replies
25
Views
1K
Find the tension in the rope PQ
Replies
7
Views
159
How Do You Correctly Cancel Angular Momentum in Physics Problems?
Replies
3
Views
184
Question about acceleration of free fall
Replies
23
Views
320
Calculate voltage over capacitor and resistance
Replies
7
Views
180
Solve the problem involving the velocity - time graph
Replies
3
Views
143
Find in terms of ##h## when ##P## comes instantaneously to rest
2
Replies
35
Views
520
Question about the energy of 2 blocks with a spring between them
Replies
12
Views
182
Work done on a conveyor belt
2
Replies
53
Views
424
Find the initial velocity ##U##
Replies
3
Views
142
Bungee jumper: energy changes
Replies
7
Views
123
2 Masses and a Wheel (with mass)
Replies
6
Views
147
Horizontal force by block on a beam
2
Replies
45
Views
489
Calculate the frequency of rotation when a coin flies off a turntable
Replies
8
Views
167
Trouble solving for end state of two control volumes in a rigid tank
Replies
12
Views
830
Help again in interpreting a pulley with a spring and a block
2
Replies
52
Views
574
Find the value of ##T## and distance of particle in the first ##4## seconds
Replies
2
Views
151
A small disk and a bigger half disk
Replies
9
Views
169
Making sense of sequence of ideas in MIT OCW's 8.02 notes on Faraday
Replies
1
Views
134
Rotating ball and string Rotational Kinetic Energy?
Replies
6
Views
7K
Finding spring constant k based on diagram -- Don't understand how to interpret force as drawn
Replies
5
Views
160
What is the induced magnetic force on this closed current loop?
Replies
12
Views
178
Calculating the spring force constant K
Replies
14
Views
330
Determining Inductance L in an LC Circuit
Replies
5
Views
189
Power, force, velocity and tension...
2
Replies
38
Views
397
How Do Power, Force, and Velocity Interact?
Replies
14
Views
186

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