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.
Help with Friction Forces: Box resting on a board on a frictionless surface
Replies
5
Views
1K
What is the unknown circuit element in RLC circuit given plot of V, I?
Replies
4
Views
819
Find at what rate the orbit radius will grow
Replies
30
Views
2K
Initial velocity of rolling ball
Replies
2
Views
5K
Did my textbook make a mistake when writing these units?
Replies
5
Views
778
Fresnel Lens - Solve for Lithography & Power
Replies
0
Views
545
Physics about electric circuits: Changing the resistors changes the currents
Replies
3
Views
800
Thermodynamic Work vs Mechanical Work
Replies
3
Views
928
Classic Incline problem with cylinder
Replies
13
Views
997
Using conservation of energy and momentum in projectile motion
Replies
18
Views
1K
Torque calculation of CV joint
Replies
2
Views
938
Lagrange equation for block and incline
Replies
13
Views
1K
Fundamental quantities and derived quantities
Replies
5
Views
600
Projectile Motion Problem Involving Initial Velocity and Gravity Only
Replies
11
Views
1K
Cart sliding along horizontal with spring connected
Replies
11
Views
744
Does the voltage across a battery include its internal resistance?
Replies
8
Views
923
Calculate electric force using Coulomb's law (vector components are the struggle)
Replies
3
Views
1K
Two tourists and a bicycle - uniform motion
Replies
25
Views
1K
How many people can be on the raft?
Replies
10
Views
847
Find the magnetic induction vector
Replies
3
Views
745
Blowing Into Your Own Sail
Replies
25
Views
1K
Drag Forces and Terminal Velocity
Replies
8
Views
964
Why the need to be careful opening a switch on this RL circuit?
Replies
6
Views
964
Ratio of frequency between heavier and lighter part of composite cord
Replies
4
Views
639
Need help, to help, a friend with their HW (High School)
Replies
6
Views
718
Current in circular wire surrounding infinite solenoid in a circuit
Replies
7
Views
1K
Determining the sound level of a leaf blower
Replies
1
Views
745
Average velocity in different coordinate systems
Replies
27
Views
998
GRIN Lens - Gradient Coefficient Expression
Replies
5
Views
923
Help please on essay about star formation
Replies
5
Views
909
Torque on a Pivot Point With Multiple Forces and Different Directions
Replies
6
Views
2K
Variation of escape velocity with equal surface gravity
Replies
7
Views
1K
How to calculate gamma ray energies following beta decay?
Replies
12
Views
1K
Minimum force to tip the bin over
Replies
7
Views
970
Depth of a basketball floating on water
Replies
9
Views
891
Keplerian Telescope and real image
Replies
7
Views
1K
Concept about photoelectric effect
Replies
17
Views
1K
Dynamic system of self balancing robot
Replies
4
Views
754
Max inversion temperature for a gas (Dieterici’s equation of state)
Replies
4
Views
1K
Closed cycle of an ideal gas
Replies
3
Views
1K
Why is the tension in a massive cable always tangent to its portion?
Replies
5
Views
2K
Statistical mechanics: particles in magnetic fields
Replies
2
Views
616
Calculating Magnetic Field at Point P for Perpendicular Current-Carrying Wires
Replies
2
Views
1K
Calculation of Ramp Jump Distance Using Projectile Motion Formulas?
Replies
12
Views
1K
Help with designing a power generating system
Replies
3
Views
604
Max Impulse on a pendulum
Replies
1
Views
814
Angle that makes kinetic and potential energy of simple pendulum equal
Replies
2
Views
1K
Introduce a battery to an LR circuit
Replies
16
Views
1K
Planar pendulum with rotating pivot
Replies
7
Views
719
Sheet of charge - theory
Replies
1
Views
945
Cables, pulleys, 2 weights
Replies
4
Views
648
Balmer series experiment
Replies
2
Views
956
Spherical pendulum confusion [Issue resolved]
Replies
2
Views
549
Launch service between two stations along a flowing river
Replies
21
Views
1K
Book plots position & force on the same graph, still gets right answer
Replies
8
Views
857
Why is source force + electrostatic force = 0 inside battery?
Replies
10
Views
1K
Relativistic motion and length contraction
Replies
44
Views
2K
Circular motion doubt: Angular velocity vector for general planar motion about a point in the plane
Replies
6
Views
752
Critical frequency of Faraday Waves?
Replies
6
Views
1K
Find starting velocity from golfer launching ball
Replies
7
Views
689
Why is the electric field inside a conducting hollow/filled sphere zero?
Replies
2
Views
743
Slope of N - t graph of radioactive decay
Replies
2
Views
756
Question about Feynman diagram showing annihilation
Replies
4
Views
750
Coupled oscillator question
Replies
2
Views
676
Tension in a Two-Crate System on a Frictionless Surface
Replies
7
Views
741
Forces at play in a pendulum (conceptual doubt)
Replies
7
Views
663
How do I fix the signs in Faraday's Law in RL Circuit?
Replies
5
Views
1K
Resistivity calculation from two-probe resistance measurement of sheet
Replies
2
Views
655
Simple pendulum with moving support
Replies
4
Views
929
Change in the unit vectors
Replies
10
Views
758
Coupled pendulum-spring system
Replies
3
Views
826
Field transformations in the z-direction
Replies
7
Views
2K
Pendulum attached to a rotating vertical disk
Replies
2
Views
1K
The value of the spring constant k that I calculate seems too high
Replies
11
Views
919
Understanding the math of definition of electromotive force
Replies
1
Views
993
Length of string in a standing wave
Replies
19
Views
1K
Field due to an electric dipole (Halliday & Resnick, Ch. 27 problem 23)
Replies
3
Views
502
Understanding a very simply RL circuit
Replies
1
Views
794
Small oscillations of a simple pendulum placed on a moving block
2
Replies
73
Views
4K
Lab Exercise: Measuring "g" using Conservation of Energy
Replies
12
Views
879
Kinematics problem from a competition: Will the 2 sliding boxes collide?
Replies
6
Views
711
Flashing light beacon from Earth reaching spaceship moving away at 0.75c
Replies
5
Views
551
Rolling Sphere On Incline
Replies
1
Views
745
Block sliding on a semicircular track with friction
Replies
10
Views
2K
The maximum reversible work in thermodynamics (2)
Replies
1
Views
701
Formula derivation connecting vertical water flowrate & horizontal distance moved by a suspended sphere
5
Replies
207
Views
9K
Impulse and momentum / work-energy
Replies
5
Views
725
The maximum reversible work in thermodynamics
Replies
22
Views
1K
Do you graph the energy levels of a ##1s^1## atom the same as a ##1s^2## atom?
Replies
12
Views
859
Magnetic dipole moment and integration surfaces (Introductory Electromagnetics - Magnetistatics)
Replies
4
Views
855
Charge on a grounded conducting sphere in a uniform electric field, after ungrounding and movement
Replies
1
Views
1K
Conservation of momentum (center of mass) in projectile launches
Replies
15
Views
1K
Range of frequency heard by observer related to Doppler effect
Replies
8
Views
1K
Vertical displacement with time of a projectile
Replies
48
Views
3K
Spring Constant Force Problem Help
Replies
12
Views
749
Is current flowing into a battery always equal to current flowing out?
Replies
12
Views
1K
Total Internal Reflection and Transmitted Wavelength
Replies
1
Views
843
Understanding self-inductance in a solenoid.
Replies
3
Views
1K
Condition for resolution of two point sources of light
Replies
2
Views
728
How do I model this function? (Damped Harmonic Motion)
Replies
19
Views
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.

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

Hot Threads

Recent Insights

Back
Top