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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Clock precision as a function of temperature and height above sea level
- Fendergutt
- · Replies 1 ·
Finding the formula for escape velocity
- pc2-brazil
- · Replies 14 ·
Poisson's Ratio Coursework: Urgent Help Needed!
- lottie44442
- · Replies 3 ·
How Do You Calculate Angular Acceleration from Tangential Acceleration?
- makeAwish
- · Replies 14 ·
Two identical convergent lenses
- Niki4444
- · Replies 8 ·
How Do I Find the Missing Values for Unknown Weights in a Pulley System?
- fableblue
- · Replies 1 ·
Calculating Uncertainty for Standard Deviation
- hellothere123
- · Replies 3 ·
Solving Rotational Problems: Force & Torque Calculations
- hellothere123
- · Replies 10 ·
What are the Forces and Acceleration of a Ball Subjected to Three Forces?
- MaryJane101
- · Replies 5 ·
Finding acceleration of two masses connected by spring horizontally
- Revivalist
- · Replies 2 ·
How Does Electric Force Compare to Gravitational Force in a Simple Atom?
- Dell
- · Replies 1 ·
Find Angle Between Vectors A & B: 105.27
- w0lfed
- · Replies 2 ·
Rotational/angular problem: the bike wheel with a valve stem
- 4t0mic
- · Replies 3 ·
Magnetic field of a cylinder with an offset hole
- georgia
- · Replies 16 ·
Mass Needed to Keep Rod Spinning at 1200RPM
- Giesick
- · Replies 6 ·
What is the Maximum Work Extracted by a Heat Engine with Constant Volume?
- briteliner
- · Replies 6 ·
How Do You Calculate the Tension in a Cable Supporting a Beam and Crate?
- elitespart
- · Replies 14 ·
Finding the Magnetic Field of two slabs.
- georgedaisuki
- · Replies 1 ·
Coefficient of rolling friction question
- Draggu
- · Replies 13 ·
Fractional Weight Reduction from Gravitational Attraction of Water Tank
- tnutty
- · Replies 15 ·
How Do Magnetic Fields Interact in a System of Three Parallel Wires?
- Queue
- · Replies 11 ·
How Much Ice Melts from a Sliding Block's Kinetic Energy?
- chops369
- · Replies 4 ·
Why Did Edison and Westinghouse Advocate Different Electricity Systems?
- chopstick
- · Replies 3 ·
How Can Kinematic Equations Prove Vf² Equals vi² Plus 2ad?
- Juicey
- · Replies 1 ·
Downward force of the plane problem
- aaronb
- · Replies 2 ·
Why Is My Calculated Current Through R1 Incorrect According to Kirchhoff's Laws?
- uselessprog
- · Replies 1 ·
Collision of Two Carts: What Speed After Impact?
- dherm56
- · Replies 4 ·
I on building a mousetrap car.
- davie08
- · Replies 1 ·
Magnet falling near an iron wall
- Peter Persoff
- · Replies 12 ·
What is the analogy between capacitor discharge and radioactive decay?
- gangsta316
- · Replies 4 ·
What direction will the force from acceleration act in this scenario?
- t_n_p
- · Replies 13 ·
Two-Dimensional Springs: Potential Energy and Force Analysis
- ch010308
- · Replies 23 ·
What are the key benefits of understanding wavefront dynamics?
- Mubeen A
- · Replies 1 ·
How Does Kinetic Energy Change on an Inclined Plane with Friction?
- ramenmeal
- · Replies 1 ·
Loop the loop. Rotational problem
- makeAwish
- · Replies 7 ·
RL Circuit Discharge and RCL Circuit
- xswtxoj
- · Replies 1 ·
Finding Acceleration of a Ball in Constant Motion
- ride4life
- · Replies 6 ·
Potential energy functions of a particle
- ramenmeal
- · Replies 3 ·
What Angular Speed Must Earth Rotate for Equatorial Weight to Drop by 25%?
- 9giddjl
- · Replies 1 ·
Use Gauss' Law to find the magnitude of E in a sphere
- Bluewrath
- · Replies 2 ·
Car's Acceleration Into Gusting Wind
- Pat.Foop
- · Replies 1 ·
Physics help- tangential acceleration
- monaluma
- · Replies 1 ·
Finding the Inductor in an RL Circuit
- xswtxoj
- · Replies 1 ·
How to Calculate Mass Using Torque?
- bballa99
- · Replies 5 ·
Simple Harmonic Motion Discrepancy
- wesDOT
- · Replies 1 ·
Calculating Heat Loss from Brake Discs Using Forced Convection
- Davieslad
- · Replies 8 ·
How Do I Solve These Complex Torque and Rotational Dynamics Problems?
- Ignoramus
- · Replies 10 ·
What is the acceleration of a falling block attached to a pulley system?
- TG3
- · Replies 2 ·
Diffraction grating problem, missing orders, diffraction minimum and maximums.
- NCyellow
- · Replies 1 ·
Is Electrical Potential Energy a Vector or Scalar?
- synergix
- · Replies 1 ·
Calculating satellites´ period of revolution
- JukuJohannes
- · Replies 4 ·
Solving Momentum Problem: Find Speed of Package & Cart
- makeAwish
- · Replies 12 ·
What Is the Minimum Speed Required for a Dart to Complete a Loop After Impact?
- makeAwish
- · Replies 13 ·
Diffraction Grating Problem, brightness maximum involved
- NCyellow
- · Replies 3 ·
Help with decelleration, acceleration and time
- djszkoda
- · Replies 2 ·
Two Rotating Discs: Kinetic Energy Loss Due to Friction
- TG3
- · Replies 1 ·
Potential Difference in and Electron/de Broglie Equation
- wilywilly0
- · Replies 2 ·
Calculating Electric Potential for a Wire with Linear Charge Density?
- mjolnir80
- · Replies 2 ·
Collisions question? (involving momentum)
- driftk
- · Replies 1 ·
Which statements about heat flow are true?
- dcramps
- · Replies 1 ·
Formally finding the center of mass
- guitarman
- · Replies 13 ·
Electron held up against force of gravity
- IbrahimZCL
- · Replies 1 ·
How Fast Was the Bullet Going Initially?
- dcangulo
- · Replies 1 ·
How Do Resistors Affect Current and Voltage in Different Circuit Configurations?
- Max CR
- · Replies 6 ·
Center of mass and cross product
- minidee
- · Replies 4 ·
Perfectly Inelastic Ball Collision: Final Velocities of Both Balls
- PnotConserved
- · Replies 5 ·
Finding time of a proton travelling in an electric field?
- newtonsapple
- · Replies 2 ·
Faraday's Law of Induction and Current
- Kandycat
- · Replies 1 ·
What is the speed of the chain at this instant?
- fball558
- · Replies 2 ·
Gravitational Force on 0.64 kg Sphere in Space Shuttle
- nweis84
- · Replies 2 ·
Electron Deflection in Parallel Plate Capacitor
- TheLegace
- · Replies 1 ·
Calculating Mass of Identical Lead Spheres Attracting 0.30(myu)N
- tnutty
- · Replies 3 ·
Kinetic Friction Homework: Solve for Acceleration of 880 N Crate
- unoriginal
- · Replies 1 ·
How is scuba gear related to the gas laws?
- muhammad269
- · Replies 3 ·
Determining Speed of a Chain: Calculating for a Point Particle System
- fball558
- · Replies 5 ·
How Much Force Does a 4 lb Piston Exert When Traveling 6 Inches at 150 PSI?
- JaysAuto
- · Replies 1 ·
Calculate Mercury's Orbital Speed and Distance: Universal Gravity Equation
- tnutty
- · Replies 6 ·
What is the velocity of the 250 pound mass when it hits the ground?
- chelito19
- · Replies 7 ·
How Does Time Dilation Affect Clock Readings in Different Frames?
- bigevil
- · Replies 1 ·
How Long Until Coffee Cools to 70° Using Newton's Law?
- baileyyc
- · Replies 5 ·
Current in a loop (Kirchhoff's Laws)
- maxsthekat
- · Replies 1 ·
What is the maximum static friction of my shoe against the wood board?
- colemansmith
- · Replies 1 ·
Calculating uncertainties, using calculus. What do these letters represent?
- jen78
- · Replies 9 ·
Total Energy Help: Ktrans, Wgrav, Whand, Ktotal & Krot
- fball558
- · Replies 1 ·
What is the Electric Flux Through a Disk with a Charge at 0.5R?
- Dell
- · Replies 13 ·
How far does a rocket-powered hockey puck land from the base of the table?
- tatertot560
- · Replies 3 ·
Does a Hydrogen Atom Weigh Less than the Sum of Its Parts?
- latitude
- · Replies 2 ·
How Is the Horizontal Distance of a Cannon Ball Calculated on a Sloped Surface?
- msadegian
- · Replies 1 ·
Motion Experiment Ideas for EPI Prac
- krzysiek
- · Replies 1 ·
Designing a DC transmission line
- togahockey15
- · Replies 6 ·
Static and kinetic friction of a crate
- dcangulo
- · Replies 9 ·
Charge, Potential, Work, and Electricity
- Phoenixtears
- · Replies 2 ·
How Do You Calculate the Initial Speed of a Bullet Using Conservation Laws?
- PnotConserved
- · Replies 2 ·
Ultra long range projectile problem
- putongren
- · Replies 12 ·
Required change in pressure to change volume
- ryan.howie
- · Replies 5 ·
Traveling Waves and a Question about Functions
- FCPancakeIII
- · Replies 5 ·
Solving for Time in Scalar Product Equation
- kkershaw
- · Replies 2 ·
Velocity problem (only distances are given)?
- driftk
- · Replies 5 ·
Projectile Motion wind acceleration
- soul5
- · Replies 5 ·
Potential Energy of a roller coaster cart
- crazydog
- · Replies 1 ·