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
Why is source force + electrostatic force = 0 inside battery?
Replies
10
Views
103
Introduce a battery to an LR circuit
Replies
1
Views
7
Relativistic motion and length contraction
2
Replies
44
Views
258
Launch service between two stations along a flowing river
Replies
19
Views
96
Circular motion doubt: Angular velocity vector for general planar motion about a point in the plane
Replies
6
Views
61
Critical frequency of Faraday Waves?
Replies
6
Views
137
Find starting velocity from golfer launching ball
Replies
7
Views
104
Book plots position & force on the same graph, still gets right answer
Replies
7
Views
96
Why is the electric field inside a conducting hollow/filled sphere zero?
Replies
2
Views
33
Slope of N - t graph of radioactive decay
Replies
2
Views
55
Question about Feynman diagram showing annihilation
Replies
4
Views
76
Coupled oscillator question
Replies
2
Views
44
Tension in a Two-Crate System on a Frictionless Surface
Replies
7
Views
78
Forces at play in a pendulum (conceptual doubt)
Replies
7
Views
120
How do I fix the signs in Faraday's Law in RL Circuit?
Replies
5
Views
97
Resistivity calculation from two-probe resistance measurement of sheet
Replies
2
Views
62
Simple pendulum with moving support
Replies
4
Views
70
change in the unit vectors
Replies
10
Views
81
Coupled pendulum-spring system
Replies
3
Views
51
Field transformations in the z-direction
Replies
7
Views
937
Pendulum attached to a rotating vertical disk
Replies
2
Views
71
The value of the spring constant k that I calculate seems too high
Replies
11
Views
127
Understanding the math of definition of electromotive force
Replies
1
Views
83
Length of string in a standing wave
Replies
19
Views
230
Field due to an electric dipole (Halliday & Resnick, Ch. 27 problem 23)
Replies
3
Views
62
Understanding a very simply RL circuit
Replies
1
Views
62
Small oscillations of a simple pendulum placed on a moving block
3
Replies
73
Views
696
Lab Exercise: Measuring "g" using Conservation of Energy
Replies
12
Views
116
Kinematics problem from a competition: Will the 2 sliding boxes collide?
Replies
6
Views
169
Flashing light beacon from Earth reaching spaceship moving away at 0.75c
Replies
5
Views
128
Rolling Sphere On Incline
Replies
1
Views
63
Block sliding on a semicircular track with friction
Replies
10
Views
158
The maximum reversible work in thermodynamics (2)
Replies
1
Views
109
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
135
The maximum reversible work in thermodynamics
Replies
22
Views
357
Do you graph the energy levels of a ##1s^1## atom the same as a ##1s^2## atom?
Replies
12
Views
122
Magnetic dipole moment and integration surfaces (Introductory Electromagnetics - Magnetistatics)
Replies
4
Views
105
Charge on a grounded conducting sphere in a uniform electric field, after ungrounding and movement
Replies
1
Views
109
Conservation of momentum (center of mass) in projectile launches
Replies
15
Views
228
Range of frequency heard by observer related to Doppler effect
Replies
8
Views
149
Vertical displacement with time of a projectile
2
Replies
48
Views
616
Spring Constant Force Problem Help
Replies
12
Views
203
Is current flowing into a battery always equal to current flowing out?
Replies
12
Views
177
Total Internal Reflection and Transmitted Wavelength
Replies
1
Views
91
Understanding self-inductance in a solenoid.
Replies
3
Views
100
Condition for resolution of two point sources of light
Replies
2
Views
127
How does an eddy current brake work exactly?
Replies
1
Views
145
How do I model this function? (Damped Harmonic Motion)
Replies
19
Views
253
emf in coil rotating inside magnetic field
Replies
3
Views
122
Refraction of light when traveling from air to glass
Replies
6
Views
152
Ion moving through electric potential difference and magnetic field
Replies
6
Views
125
Finding critical angle: not sure which one is correct
Replies
13
Views
155
Origin of repulsive force on a magnet approaching conducting ring?
Replies
5
Views
167
A wheel of radius r rolls along a curve
Replies
13
Views
319
Electronic Circuits - Calculate voltage
Replies
4
Views
289
Newton's third law and weight
Replies
13
Views
203
Query related to Two-Dimensional Motion
Replies
9
Views
188
Camera drone and speed of air below it
Replies
5
Views
129
Graph of viscous force and velocity
Replies
15
Views
158
Projectile motion, initial height and range given, find initial velocity
Replies
8
Views
521
Need to derive a formula for the number of red giants
Replies
8
Views
255
Question about time dilation
Replies
22
Views
199
Derive trig equations 4, 5, and 6 from 1, 2, and 3
Replies
13
Views
2K
Friction - same direction as motion?
Replies
10
Views
245
Center of mass acceleration for an inclined plane and mass m
Replies
18
Views
271
A jet problem -- How hard to pull back on the controls to avoid colliding with a hill?
Replies
2
Views
131
How Does Coriolis Force Influence Particle Motion in Rotating Systems?
Replies
3
Views
155
2 Masses attached by a spring in the vertical axis
Replies
8
Views
200
Minimum work done to push the cube over
Replies
14
Views
221
Gauss' Law for a conducting / non-conducting sheet
Replies
5
Views
185
Feynman Diagram of Meson decay
Replies
8
Views
184
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
156
How Do You Correctly Cancel Angular Momentum in Physics Problems?
Replies
3
Views
180
Question about acceleration of free fall
Replies
23
Views
317
Calculate voltage over capacitor and resistance
Replies
7
Views
175
Solve the problem involving the velocity - time graph
Replies
3
Views
140
Find in terms of ##h## when ##P## comes instantaneously to rest
2
Replies
35
Views
512
Question about the energy of 2 blocks with a spring between them
Replies
12
Views
179
Work done on a conveyor belt
2
Replies
53
Views
416
Find the initial velocity ##U##
Replies
3
Views
139
Bungee jumper: energy changes
Replies
7
Views
120
2 Masses and a Wheel (with mass)
Replies
6
Views
145
Horizontal force by block on a beam
2
Replies
45
Views
482
Calculate the frequency of rotation when a coin flies off a turntable
Replies
8
Views
163
Trouble solving for end state of two control volumes in a rigid tank
Replies
12
Views
828
Help again in interpreting a pulley with a spring and a block
2
Replies
52
Views
570
Find the value of ##T## and distance of particle in the first ##4## seconds
Replies
2
Views
149
A small disk and a bigger half disk
Replies
9
Views
166
Making sense of sequence of ideas in MIT OCW's 8.02 notes on Faraday
Replies
1
Views
132
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
156
What is the induced magnetic force on this closed current loop?
Replies
12
Views
175
Calculating the spring force constant K
Replies
14
Views
327
Determining Inductance L in an LC Circuit
Replies
5
Views
186
Power, force, velocity and tension...
2
Replies
38
Views
391
How Do Power, Force, and Velocity Interact?
Replies
14
Views
183
The ratio between two horizontal speeds in this pendulum arrangement
Replies
1
Views
107
Inelastic collision of two squares
Replies
14
Views
188

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