Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
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Using Kirchoff's Loop Rule to Determine Currents in a Circuit
- JessicaHelena
- · Replies 2 ·
What mistake did I make in finding the net force on a rotating disc?
- Brilli
- · Replies 1 ·
Conservation of momentum - with understanding
- mathchimp
- · Replies 2 ·
Stretching of a wire due to it's weight
- palkia
- · Replies 19 ·
Ranking the Work on Each System: Which Case Has the Most Positive Work?
- isukatphysics69
- · Replies 40 ·
Picture Posting Help - Tips & Tricks
- G Lenny
- · Replies 11 ·
Special Relativity spaceship problem
- Mathematicsresear
- · Replies 9 ·
Point charge - Assertion & Reason type problem
- Jahnavi
- · Replies 3 ·
Work to stretch a spring question (nvm, figured it out)
- gibberingmouther
- · Replies 5 ·
How to Find the Number of Liters of Gas Used in a Gasoline Engine
- Benb591
- · Replies 3 ·
Which way do I measure the potential difference
- JessicaHelena
- · Replies 6 ·
Speed of a moving object, according to another moving object
- Phantoful
- · Replies 3 ·
Mercury's orbit according to Classical VS Modern Physics
- Daniel Sarioglu
- · Replies 3 ·
Current through parallel cells with unequal EMFs
- zoya76
- · Replies 2 ·
Average velocity of gas molecules in a container
- steven george
- · Replies 3 ·
Tension in the string of a simple pendulum
- BearY
- · Replies 4 ·
Moment of Inertia of an inclined disk
- Raghavendar Balaji
- · Replies 27 ·
Find the initial speed of a block before it hits a spring
- isukatphysics69
- · Replies 21 ·
Kinetic/Potential Energy in Waves
- Kosta1234
- · Replies 3 ·
Two rods joined together, find the angle of twist
- Jahnavi
- · Replies 16 ·
Find the work done by the spring force on a box
- isukatphysics69
- · Replies 5 ·
What Is the Maximum Angle Attained by a Particle Projected from Earth?
- harambe
- · Replies 6 ·
Derivation of resonant frequency for SHM systems
- Bonnie
- · Replies 7 ·
What is the Speed at the Bottom of a Vertical Circle?
- WhiteWolf98
- · Replies 9 ·
Which of these materials will heat up faster and why?
- mrchopsy
- · Replies 16 ·
Faraday's law and linearly time dependent B field
- razidan
- · Replies 3 ·
Image Formation in Galilei Binoculars: Solving for the Image Position
- Mulz
- · Replies 3 ·
Electromagnetism homework check
- Sullo
- · Replies 8 ·
A particle P2 chases particle P1 with constant speed.
- Ishan Sharma
- · Replies 6 ·
Question about work energy theorem
- Clara Chung
- · Replies 1 ·
Question about centre of percussion of a baseball bat
- Clara Chung
- · Replies 7 ·
What is the speed of the 5th image in optics with multiple mirrors?
- Jahnavi
- · Replies 6 ·
X-Ray Absorption: 0.7cm Bone Thickness | Homework Help
- Jimmy87
- · Replies 1 ·
A small mass m hangs from a thing string and can swing....
- HappyFlower
- · Replies 5 ·
Time Dilation - Darth Vader's age
- aatari
- · Replies 3 ·
Unpolarised light: Orientation of the E-field
- palkia
- · Replies 9 ·
White light interference pattern and its resolution criteria
- Clara Chung
- · Replies 3 ·
Transcendental function and a finite well
- Taylor_1989
- · Replies 1 ·
What are the forces on the center of mass?
- eprparadox
- · Replies 7 ·
Tension in a flexible circular loop
- cheapstrike
- · Replies 46 ·
Finding the New Acceleration Given Point Charges
- Alex Z
- · Replies 10 ·
Disk connected to another object through a pulley on an incline
- songoku
- · Replies 18 ·
How can I plot a graph for these opamp results?
- NYAME EPHRAIM
- · Replies 7 ·
Frequency of a standing wave based on slope?
- Ari
- · Replies 2 ·
Simple Harmonic Motion - Speed
- Jess_18033152
- · Replies 7 ·
Simple Harmonic Motion - rearranging equation
- Jess_18033152
- · Replies 2 ·
Investigating Voltage, Capacitance & Resonance in DC/AC Circuits
- janiceyyyyyy
- · Replies 1 ·
Definition of distance -AR type problem
- Jahnavi
- · Replies 12 ·
Finding Reactions on a Supported Beam: A Differential Equation Approach
- yecko
- · Replies 11 ·
Why is W Tot not equal to W Glider on Spring in Newton's Third Law?
- Selfless_Gene
- · Replies 3 ·
Equivalent resistance of a circuit
- EchoTheCat
- · Replies 3 ·
Find the probability of energy value after a given measurment
- Taylor_1989
- · Replies 1 ·
The phase of a simple harmonic motion
- Guillem_dlc
- · Replies 5 ·
Thermodynamics: Dropping a hot horseshoe into a pot of water
- Jess_18033152
- · Replies 3 ·
How Should Significant Figures Reflect Measurement Uncertainty?
- Dima Petrukhin
- · Replies 23 ·
Efficient Path Tracing: Solving for Time and Motion with Inclined Planes
- Brilli
- · Replies 3 ·
Ratio of amplitudes in a damped oscillator
- tiago23
- · Replies 2 ·
Thermodynamics - Change in Temp
- Jess_18033152
- · Replies 2 ·
Special Relativity - Relativity of Simultaneity?
- Luxucs
- · Replies 4 ·
Superposition of Plane EM Waves Using Complex Notation
- WWCY
- · Replies 2 ·
Specific heat capacity of a solid material
- Aleisha
- · Replies 9 ·
Heat Question -- Temperature rise of a hiker on a long hike
- Kevin Kim
- · Replies 1 ·
Calculating Specific Heat Capacity
- struggtofunc
- · Replies 6 ·
Thermodynamics (Heat expansivity)
- Aleisha
- · Replies 4 ·
Calculating pressure within a system at a specific location?
- russiansplash
- · Replies 8 ·
Why do I have to use integration and components?
- Mariah
- · Replies 3 ·
A rod of length L and mass M has a nonuniform mass distribut
- boblolo123
- · Replies 1 ·
Why Is My Statics Friction Calculation Incorrect?
- lc99
- · Replies 18 ·
Finding the Kinetic Energy using the mass, radius and initial KE
- Ella1777
- · Replies 12 ·
Normal force as a function of time (oscillator)
- Luxucs
- · Replies 10 ·
Find the moment of inertia of a washer
- Pablo
- · Replies 4 ·
Finding the change in weight from the force & difference in height (y)
- Ella1777
- · Replies 4 ·
Tyres of a car lifting when turning left sharply....
- Kavya Chopra
- · Replies 6 ·
Velocity of a charged particle as it approaches infinity
- Nasir Jones
- · Replies 2 ·
Angular momentum with a large wooden turntable
- MITPhysics
- · Replies 2 ·
Surface Tension of needle on water
- Aleisha
- · Replies 4 ·
GRADE 12: Energy, Springs and maybe momentum/collisions?
- michael simone
- · Replies 5 ·
Differences in velocity conceptual question
- Pochen Liu
- · Replies 2 ·
Find the velocity when the ball rolls without slipping
- vbrasic
- · Replies 7 ·
Finding the net gravitational force with Vector Notation
- Ella1777
- · Replies 2 ·
Remnant Magnetisation varying with input amplitude
- Cortizza
- · Replies 2 ·
Falling solid cylinder with string
- Suyash Singh
- · Replies 37 ·
Question about a cubic crystal and its parameters
- Clara Chung
- · Replies 4 ·
Input impedance of a "Ladder" transmission line
- Marcus95
- · Replies 3 ·
How Fast Does Spaceship A Move Relative to Spaceship B?
- Hamza Abbasi
- · Replies 19 ·
In which direction does the current flow?
- bolzano95
- · Replies 5 ·
Electromagnet -- changing flux and a ring
- Jahnavi
- · Replies 3 ·
Finding the Mistake in Calculating Charge on a Capacitor with a Shorted Wire
- Jahnavi
- · Replies 5 ·
How does unbalanced tension affect the motion of a rope?
- Alex126
- · Replies 9 ·
Time Uncertainty Propagation - Stoke's Law & Average Time
- adityax26
- · Replies 2 ·
What is the acceleration of the coin after being dropped?
- Lesegp
- · Replies 4 ·
Comparing Self-Inductance and Power Dissipation in Two Solenoids
- Jahnavi
- · Replies 13 ·
Displacement given the acceleration
- Guillem_dlc
- · Replies 8 ·
Calculate the characteristics of this compression spring
- bravopipo
- · Replies 3 ·
What is the maximum attainable speed for the car?
- Perseverence
- · Replies 4 ·
Derivation process? (Heatsink Fin Heat Conduction Equations)
- EastWindBreaks
- · Replies 3 ·
Problem with line integrals for electric potential
- WWCY
- · Replies 6 ·
What happens to the capacitance after increasing distance?
- eprparadox
- · Replies 2 ·
Help with this Law of Thermodynamics question please
- Gusk
- · Replies 27 ·
Kinetic energy of an alpha particle
- Taylor_1989
- · Replies 2 ·