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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Acceleration due to gravity question
- srikar97
- · Replies 2 ·
Find the force exerted on a bullet as it travels through the barrel
- trivk96
- · Replies 1 ·
Got a doosie here, Angular acceleration, time and radius.
- GRice40
- · Replies 3 ·
Two blocks tied with massless rope sliding down an incline
- sheeproars
- · Replies 2 ·
Calculate the pull on the high bar of a gymnast
- bionut
- · Replies 1 ·
What is the formula for finding centripital acceleration in a spinning disc?
- ttttrigg3r
- · Replies 1 ·
Calculating Coefficient of Friction in a Hockey Puck Sliding Problem
- Peter Tran
- · Replies 1 ·
Frictional Force in Unconventional Plane: Solving for P
- 1MileCrash
- · Replies 24 ·
Finding total time of a running rabbit
- shahin93
- · Replies 2 ·
Find the coefficient of Friction with weight and force needed to move and object
- trivk96
- · Replies 4 ·
Impulse and Momentum, 2 dimension
- buttretler
- · Replies 1 ·
What is the Initial Speed of a Baseball Thrown at a 45° Angle?
- Ki-nana18
- · Replies 8 ·
Kinetic Energy of Two Atoms System: r=r1
- xhhux
- · Replies 1 ·
How Do You Calculate Radius in Uniform Circular Motion?
- george256
- · Replies 6 ·
Finding the angle of the traveling direction of a sailboat
- TmrK
- · Replies 4 ·
Finding the direction of the resultant
- imsochrisp
- · Replies 5 ·
Trip to Moon: Escape Earth's Gravity!
- aszymans
- · Replies 1 ·
Solving a Particle's Motion with Acceleration a(t) = 3at + 2b
- MelissaJL
- · Replies 1 ·
What equations would I use to solve for work and power delivered?
- george256
- · Replies 13 ·
Finding Maximum Height of Two Simultaneously Launched Balls
- EHogeberg
- · Replies 13 ·
Relating position and force to speed
- Capncanada
- · Replies 25 ·
Find the acceleration of an elevator
- patrilu5
- · Replies 7 ·
Solving a proof on an exam and looking for possible resources to bring to it
- pantrwrstl
- · Replies 2 ·
2 charges located in the x-y plane
- Londonfish
- · Replies 2 ·
Constructing an Egg Drop: Get Help Here
- Amandalynn
- · Replies 1 ·
Time it takes to lift a sofa with power
- Capncanada
- · Replies 9 ·
Propagation of errors addition numbers without uncertainty
- Silvestor
- · Replies 2 ·
Newtons Law Problem involving kinematic equation
- lolcheelol
- · Replies 6 ·
What is the Electric Field of a Charged Cylinder with Varying Density?
- wolski888
- · Replies 13 ·
Remove a force, what would be the resultant
- ammoun
- · Replies 3 ·
Power involved in running upstairs
- Capncanada
- · Replies 9 ·
How Far Can a Person Sit on a Table Without Tipping It Over?
- ssnapier
- · Replies 3 ·
Projectile Motion Launched at an Angle
- phizics09
- · Replies 4 ·
Friction coefficient is greater than 1 explanation
- ttttrigg3r
- · Replies 4 ·
Eliminating x in Lorentz Transformation
- ZedCar
- · Replies 2 ·
Physics Projectile Launched at Angle. HELP, TEST TODAY
- student54321
- · Replies 11 ·
Gauss's Law and charged conductors
- veevee
- · Replies 2 ·
Friction: what is the net force on the block the instant that it starts to slide
- paxian
- · Replies 5 ·
Finding electric field via potential
- DannyPhysika
- · Replies 1 ·
Is log4(18) an Irrational Number?
- CPatCU
- · Replies 1 ·
Potential difference between 2 points on dipole axis
- demonelite123
- · Replies 2 ·
Calculating work when 2 forces are present
- jono240
- · Replies 6 ·
Solve for Escape Velocity on Mars: Differential Equation Method
- verticos
- · Replies 1 ·
Can any one explain me about Integrals and derivatives in breif
- srikar97
- · Replies 4 ·
Problems with frictionless wedges
- zaurefirem
- · Replies 3 ·
Solenoid and Proton Motion: Clockwise or Counterclockwise?
- Cade
- · Replies 10 ·
Forces: Wedge and Block Problem + Pulley System Problem
- akemi3
- · Replies 1 ·
An erect pencil on a frictionless plane
- zheng89120
- · Replies 1 ·
Is the Tension in the String Equal for Both Blocks?
- theunloved
- · Replies 4 ·
Photoelectric effect calculations
- NewtonianAlch
- · Replies 7 ·
Force exerted on motorcycle and rider
- ankurb
- · Replies 4 ·
Needing help on where to find information
- david666
- · Replies 2 ·
Two dimensional projectile question-Check answers and help
- megustaramen
- · Replies 1 ·
Integral Formulas for Center of Mass of Uniform Density
- 1MileCrash
- · Replies 1 ·
Atwood Machine on a Frictionless Inclined Plane: Components Resolution
- logearav
- · Replies 4 ·
What are the correct answers to this Equipotential Contours Homework statement?
- badd99
- · Replies 8 ·
2d Motion, calculating time when v=0 from position vector
- bearandmoose
- · Replies 1 ·
Initial Velocity of a Projectile
- AngeliaGW
- · Replies 2 ·
Finding initial velocity given displacement, time, and final velocity
- dudelol
- · Replies 1 ·
Finding the magnitude of acceleration
- Include
- · Replies 2 ·
How to find the wavelength of a sound wave?
- strayaway
- · Replies 1 ·
Kirchoff's Laws Problem - Power
- KRC
- · Replies 1 ·
What is a Field? FAQs & Answers
- ThinkerofWhat
- · Replies 2 ·
Help with a current, resistance, and resistivity problem
- iiiiaann
- · Replies 6 ·
Force and motion in Newton's laws
- theunloved
- · Replies 6 ·
Help understanding voltage within a conductor
- channel1
- · Replies 6 ·
Help with conservation of kinetic energy and momentum
- skyze
- · Replies 1 ·
5 Parallel Large Flat Electrodes (Potential/E-Field)
- jegues
- · Replies 4 ·
Center of Mass Diagram Don't quite understand
- 1MileCrash
- · Replies 5 ·
How Do You Calculate the Tension in a String of a Suspended Charged Cork Ball?
- javacola
- · Replies 2 ·
How Do You Calculate the Combined Phase Angle Shift of Multiple Waves?
- armolinasf
- · Replies 1 ·
Which Object Has the Greater Instantaneous Velocity?
- xPiiNK
- · Replies 3 ·
How to solve how much work is done:
- witteliz
- · Replies 1 ·
Problems Involving Two Interacting Bodies and Friction
- prosteve037
- · Replies 1 ·
Mass attached to a spring rotating in a circle
- jono240
- · Replies 1 ·
Calculating Direction of Current with Left-Hand Rule: Magnetic Fields Homework
- jsmith613
- · Replies 2 ·
Pendulum Motion Equation and Period Calculation
- Icetray
- · Replies 5 ·
What Is a Matter Wave?
- J-Girl
- · Replies 1 ·
Load Distribution/Rigid Body Equilibirum Problems
- jhchex
- · Replies 1 ·
Forces on a pail being lowered/pulled up, with/without water
- Phys121VIU
- · Replies 5 ·
How Long Does It Take for a Capacitor to Reach 80% Charge in an RC Circuit?
- blackbyron
- · Replies 4 ·
Calculating Acceleration Due to Gravity Using Velocity, Time, and Position Data
- ejohnston
- · Replies 12 ·
How much force is needed to move the crate?
- axlg38
- · Replies 9 ·
Solving for Force & Fly-Off Time on Rotating Mass in Cup
- thoughtclaw
- · Replies 2 ·
What is the Net Force on a System with Multiple Objects and Inclined Planes?
- Nemean
- · Replies 24 ·
How do I solve for 't' in the platinum wire resistance problem?
- ibysaiyan
- · Replies 1 ·
Forces and state of equilibrium
- sdoi
- · Replies 7 ·
Calculating emf from angular velocity
- Masafi
- · Replies 4 ·
Projectile motion of a cannonball problem
- sweet_girl123
- · Replies 3 ·
Bead sliding on a rotating straight rigid wire.
- Aerostd
- · Replies 2 ·
How Does Time Dilation Affect Clocks on the Concorde?
- mindarson
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Center of mass question (man on a boat)
- ddtozone
- · Replies 2 ·
Calculate the uncertainty on the values of m
- blueyellow
- · Replies 1 ·
Is There Any Net Force Acting on an Athlete Moving at Constant Velocity?
- bionut
- · Replies 3 ·
Calculating acceleration of an object tied to another object
- trivk96
- · Replies 7 ·
Thermodynamics - Entropy and Temperature
- lifeonfire
- · Replies 1 ·
Numerical approach to the spring force of a bowstring (Not Hooke's Law)
- Verdict
- · Replies 1 ·
Light Refraction: Finding an Exact Value for a 2nd Image
- Shackleford
- · Replies 6 ·
Need help with Nodal Analysis. I have the work, just need a step explained.
- naivy
- · Replies 2 ·
Calculating Speed of Rotating Disks and Hoops Using Uniform Solid Disk Equations
- aborder
- · Replies 1 ·