Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Determining equations for tension in 3D statics problem.
- VS9
- · Replies 2 ·
Finding friction force *without* mass or coefficient
- Amy G.
- · Replies 7 ·
The force of gravity of two objects on a third?
- Mr Davis 97
- · Replies 3 ·
Vertical movement: velocity / time graph, height estimation
- moenste
- · Replies 10 ·
Projectile Launching Question(multiple parts)
- brayr0019
- · Replies 3 ·
Method for determining error in an equation
- WK95
- · Replies 6 ·
Calc Air Pressure in Tank with Fluid Level & Height
- jderulo
- · Replies 34 ·
How to Find the Magnitude of the Pebble's Velocity in Projectile Motion?
- GZM
- · Replies 20 ·
Mis-using Bernoulli's Equation for Gas Flow Analysis?
- manderson99
- · Replies 4 ·
De broglie wavelength for helium and distance between atoms
- wang jia le
- · Replies 1 ·
Distance traveled and the kinetic energy of a sphere
- moenste
- · Replies 11 ·
Dielectric inserted in parallel plate capacitor
- PP27
- · Replies 2 ·
Drag, terminal velocity, and force.
- BadStudent123
- · Replies 9 ·
What is the ideal value of T for the rocket to reach 990 m altitude?
- GZM
- · Replies 9 ·
Electric Field Line Homework: Deriving Analytical Expressions
- Roy Fokker
- · Replies 1 ·
Finding Initial Angle for a Projectile to Hit a Target 10,000 ft Away
- Marcin H
- · Replies 3 ·
Complicated Kinematic problem dealing with falling
- GZM
- · Replies 4 ·
Capacitance of 3 Hollow Cylinders
- adenine7
- · Replies 6 ·
Calculating Uncertainty: What is the Effect of θ?”
- Janiceleong26
- · Replies 12 ·
Angular acceleration for one gear to another
- dumbdumNotSmart
- · Replies 2 ·
Finding acceleration from a position vs. time
- Detinator10
- · Replies 1 ·
How Much Force Must a Tractor Exert to Pull a Sled Up a Hill with Friction?
- Richard1864
- · Replies 1 ·
Force calculation (not 100% sure what type it is)
- KUphysstudent
- · Replies 1 ·
Tension and Pulleys theory question
- DanielleG
- · Replies 2 ·
What is the Minimum Distance x for an Interrupted Pendulum to Wrap Around a Rod?
- Bob Jagnaf
- · Replies 1 ·
Conservation of angular momentum
- Titan97
- · Replies 7 ·
Newtonian mechanics - hillside fired projectile
- KUphysstudent
- · Replies 5 ·
What is the expected value of x^2 for a wave packet in momentum representation?
- rgalvao
- · Replies 2 ·
Dipole magnitude and direction (21.67)
- Calpalned
- · Replies 3 ·
Ansatz for Hysteretic oscillation
- Remixex
- · Replies 3 ·
Oscillation Equation Typo in Textbook?
- Calpalned
- · Replies 2 ·
Light Bulb and Transmitted Intensity?
- AimlessWander
- · Replies 1 ·
Moment at a point when the object is sliding
- goldfish9776
- · Replies 27 ·
What is the Launch Angle of a Projectile at Half Its Maximum Height?
- hawkeye1029
- · Replies 3 ·
Building a capacitor to find the dielectric constant
- xSpartanCx
- · Replies 10 ·
Distribution of charge on two spheres
- Vibhor
- · Replies 3 ·
Conservation of electric potential energy
- xSpartanCx
- · Replies 7 ·
How Does Linear Charge Density Affect Electric Field Calculation?
- kahlua13
- · Replies 1 ·
Calculating Induced EMF using Faraday's Law: A Magnetic Flux Problem Solved
- YoshiMoshi
- · Replies 5 ·
How far does the train travel before the engine is ....
- siimplyabi
- · Replies 2 ·
Acceleration in non-uniform circular motion
- nashsth
- · Replies 1 ·
Positions Versus time on an incline
- myeeth22
- · Replies 4 ·
Two blocks connected by a string
- Sarah Kenney
- · Replies 2 ·
What Does an Electronic Balance Measure in Water Experiments?
- SataSata
- · Replies 12 ·
How Do You Calculate Total Energy in Blackbody Radiation?
- Abdul.119
- · Replies 2 ·
Method Of Members: Finding reactions
- SagarPatil
- · Replies 1 ·
Calculating Work Required to Rotate a Dipole in an Electric Field
- Calpalned
- · Replies 4 ·
What is the weight of a bucketful of water?
- siimplyabi
- · Replies 5 ·
Calculate the direction of the electric field (21.34)
- Calpalned
- · Replies 2 ·
Minimum and Maximum Observed Frequencies?
- AimlessWander
- · Replies 2 ·
How Do You Calculate Jerk in Uniform Circular Motion?
- toesockshoe
- · Replies 9 ·
Theoretical vs measured sheet resistance of conductivity paper
- Vaclav
- · Replies 5 ·
Electron microscope particle relativistic mass
- ForTheGreater
- · Replies 5 ·
Centripetal Force Theory Questions
- DanielleG
- · Replies 14 ·
Determine the currents in this electrical network
- Edge Of Pain
- · Replies 3 ·
Tension in a rope in an accelerating towplane (AP French 7-1)
- TimSon
- · Replies 2 ·
Energy unit to kelvin, seconds, density, length
- June_cosmo
- · Replies 1 ·
Finding the sag caused by a weight in an equilibrium?
- AObeid
- · Replies 2 ·
Differential equations: Circuit RL
- masterchiefo
- · Replies 8 ·
Tension at the lowest point of a hanging chain
- Joe8
- · Replies 2 ·
Electromagnetic Induction in a disc
- Yashbhatt
- · Replies 3 ·
Quantum Mechanics (Wien’s displacement law)
- says
- · Replies 4 ·
Why can't I show Newton's Third Law by different means?
- UseAsDirected
- · Replies 5 ·
Solving the Force Monkey Problem: Bush Baby Physics
- Ivawen
- · Replies 5 ·
Why Does the Normal Force Decrease When Pulling Upward on an Object?
- David Donald
- · Replies 3 ·
Finding the Center of Mass of a Triangle
- Acemave
- · Replies 2 ·
Ideal Gas Law in "alternate" universe
- RaulTheUCSCSlug
- · Replies 4 ·
Momentum graph + why graph should be curved line
- Barclay
- · Replies 2 ·
Finding Potential Difference in a Potentiometer Circuit
- Janiceleong26
- · Replies 10 ·
Impulsive Tensions involving 3 particles
- Physgeek64
- · Replies 13 ·
Centripetal acceleration in separating protein
- tvtokyo
- · Replies 1 ·
Why do I have to make gravity positive to make this work?
- Shivang Saxena
- · Replies 1 ·
How does a high-speed rail work/operate?
- Ng Sio Hong
- · Replies 2 ·
Least amount of time for motion
- aaphys
- · Replies 2 ·
A spring is suspended on the ceiling of a truck, find acceleration?
- greenglasses
- · Replies 1 ·
Question regarding the derivation of the wave equation
- Chump
- · Replies 1 ·
Finding tension in string in vertical circle
- greenglasses
- · Replies 1 ·
What Is the Correct Period and Frequency for an Electron in a Magnetic Field?
- BigFlorida
- · Replies 1 ·
Determine the rotation period of a disc with 2m radio , that
- DexterV
- · Replies 2 ·
The Pressure Variation with depth in various Water Bodies
- sandeep singh
- · Replies 7 ·
Force with friction problem(determine a force by the angle)
- suyashr99
- · Replies 4 ·
Terminal velocity of loop falling through magnetic field
- Rawl
- · Replies 1 ·
Finding displacement and time from velocity and acceleration
- Jaycee
- · Replies 7 ·
Centripetal Force Experiment: Impact of Free Mass on Error
- andyfeynman
- · Replies 1 ·
Task: Function for the acceleration throughout a loop?
- OskarBillington
- · Replies 4 ·
Force of 5N applied to 5kg block on table w/ μk = .1
- Ocata
- · Replies 12 ·
Entropy problem -- heating 2 moles of an ideal gas....
- zerorin
- · Replies 2 ·
Significant Figures: What is the Correct Number for g in Your Area?
- logans_run
- · Replies 4 ·
Force With a Pulley: Theoretical and Experimental
- Thornak
- · Replies 4 ·
Confusion about calculating energy output.
- srarahcha
- · Replies 5 ·
How Do You Calculate the Magnetic Field Near a Solenoid?
- SamL
- · Replies 8 ·
Finding speed of stone when it hits the ground.
- justinm326
- · Replies 2 ·
Engineering Physics (Work done and energy) Help
- Benny T
- · Replies 5 ·
Springs with Dashpot: Understanding Motion Equations
- wololo
- · Replies 14 ·
Ground state wavelength and uncertainty Bohr/deBroglie model
- Summer95
- · Replies 1 ·
How deep can you dive to get 3x pressure? (101,3 kPa)
- DecoratorFawn82
- · Replies 12 ·
What does "minimum range of uncertainty" mean in QM?
- Summer95
- · Replies 1 ·
Shouldn't these equations produce the same result?
- Breadsticks
- · Replies 1 ·
What Should the Initial Velocity of the Grenade Be in a High-Speed Car Chase?
- jasonchiang97
- · Replies 4 ·
Absolute Visual Magnitude of Stars
- Jimbob999
- · Replies 1 ·