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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Write F as a sum of an orthogonal and parallel vector
- jonroberts74
- · Replies 5 ·
Finding the initial acceleration rotating masses not about their C.o.M
- Dazed&Confused
- · Replies 5 ·
Solving Pulley on a Pulley Problem using Force Analysis
- pmr
- · Replies 9 ·
Resolving Forces on an Inclined Plane: Finding the Components of a Force
- jonroberts74
- · Replies 25 ·
Where Should a 150N Weight Be Placed on a Ladder to Achieve Equilibrium?
- learn2physics
- · Replies 3 ·
Finding horizontal force F on a suspended 5.0 kg mass at 30 degrees
- learn2physics
- · Replies 9 ·
The Force of Gravity Depends on Two Masses
- lorofthebay
- · Replies 2 ·
What is the Force Exerted by the Ground on Object 1 in an Atwood Machine?
- antonisz
- · Replies 6 ·
Phase difference of two moving particle
- desmond iking
- · Replies 5 ·
Physics Fundamentals: Work Done
- learn2physics
- · Replies 1 ·
Hi all. Need guidance for some fundamentals physics
- learn2physics
- · Replies 2 ·
Finding the time when the car starts to skid (Kleppner 2.29)
- Dazed&Confused
- · Replies 8 ·
Calculating gravitational forces on a spacecraft between Earth and Moon
- burgess
- · Replies 1 ·
What Is the Acceleration at Point A Above a Planet?
- Karol
- · Replies 6 ·
Mechanical Principles - Rotating Systems
- louise
- · Replies 6 ·
Electrostatics Problem -Two moving charged particles
- Tanya Sharma
- · Replies 27 ·
Transfer function for gear system with translational mass
- GreenPrint
- · Replies 4 ·
Archimedes Principle and Buoyancy
- Lisas941
- · Replies 1 ·
Find Time: Initial Velocity, Final Velocity, Acceleration, Distance
- MotionNewtion
- · Replies 4 ·
Diode-resistor parallel circuit at 4.0 V: why is current 400 mA not 800 mA?
- z.js
- · Replies 9 ·
Proper Time Interval: A Puzzler
- cdenne
- · Replies 4 ·
Finding flow rate in a venturi meter with 10.5 Pa pressure difference
- HP8
- · Replies 16 ·
What are the correct labels for frequency and displacement in a wave graph?
- desmond iking
- · Replies 6 ·
Boltzmann equation for carrier transport
- vead
- · Replies 4 ·
Finding Velocity given the initial velocity and weight
- dtmirand
- · Replies 1 ·
Tension in rope when the system is accelerating
- KKazaniecki
- · Replies 10 ·
Why Is the Resultant Amplitude of Interfering Waves Not Simply A1 + A2?
- desmond iking
- · Replies 3 ·
How far does a car travel while accelerating from 30 km/hr to 88 km/hr in 7 seconds?
- MotionNewtion
- · Replies 7 ·
Finding event coordinates for a moving meter ruler
- PeterPeter
- · Replies 11 ·
Solving word problem in hydrodynamics
- HP8
- · Replies 6 ·
General solution of the Schrodinger equation for a free particle?
- 21joanna12
- · Replies 3 ·
How can adiabatic pressure variations be used to determine specific heat ratio?
- PhizKid
- · Replies 5 ·
Why Doesn't the Applied Force Account for All Masses in This System?
- jbunniii
- · Replies 17 ·
How High Can You Jump on Phobos and How Long Does It Take?
- BrainMan
- · Replies 2 ·
Centripetal force problem with tension
- BrainMan
- · Replies 2 ·
Does the mod square of the wave function always have to be real?
- Plaetean
- · Replies 1 ·
How do you determine the angle turned by a winding drum with given data?
- Eskiboy
- · Replies 24 ·
Mercury manometer pressure at X and Y with different fluids
- MrMechanic
- · Replies 20 ·
Acceleration of a block with another block on top
- Arka420
- · Replies 5 ·
Q) Deriving Gauss' Law from Coulomb's Law for a Single Point Charge
- fgggggggable
- · Replies 1 ·
What is the Tension in Block m2's String in a Pulley System?
- tzonehunter
- · Replies 5 ·
A stick with two springs attached between two vertical walls
- skrat
- · Replies 9 ·
Negative sign when finding forces from derivative of potential?
- 21joanna12
- · Replies 3 ·
Hoop with attached mass rolling without bouncing
- Vibhor
- · Replies 9 ·
How Is Work Calculated on an Elevator Cab in Physics Problems?
- user14245
- · Replies 2 ·
How Do Magnetic and Electric Fields Produce Light?
- burgess
- · Replies 1 ·
Pushing an incline so mass on ramp accelerates upward
- matineesuxxx
- · Replies 21 ·
Motion of a particle in a rotating tube
- AwesomeTrains
- · Replies 8 ·
Two metal rods, one silver and the other copper, are both immersed at
- chemistrymole
- · Replies 5 ·
Shortest distance between two cars
- Adjoint
- · Replies 3 ·
Little trees makes angle around turn
- Calculon
- · Replies 1 ·
Einstein velocity transformations problem
- Sleepycoaster
- · Replies 7 ·
Angular Magnification of a telescope,
- Bleitergast
- · Replies 1 ·
Kinematics Crash Simulation Question
- tobya93
- · Replies 2 ·
A generation is about one-third of a lifetime.
- Bijackar
- · Replies 5 ·
What Is the Net Force Using Parallelogram Method?
- Sifuejos
- · Replies 30 ·
Two non ideal springs hanging on a tree
- skrat
- · Replies 24 ·
Is there a difference between negative acceleration and retardation
- PhysicsStudnt
- · Replies 3 ·
How Does Normal Force Change on an Inclined Plane?
- burgess
- · Replies 1 ·
Kinematics problem -- Cat chasing a mouse on a rotating disk
- Satvik Pandey
- · Replies 47 ·
Pressure vessel ideal gas calculation
- paulos
- · Replies 5 ·
Amplitude of string when the string breaks
- desmond iking
- · Replies 4 ·
Double Pendulum With Acceleration
- matineesuxxx
- · Replies 6 ·
Will Tarzan's vine break when swinging 4 m over a river?
- zim70094
- · Replies 12 ·
Spring - Pulley - Mass <Oscilations problem>
- SqueeSpleen
- · Replies 5 ·
Two perpendicular charged infinite lines
- brkomir
- · Replies 1 ·
How Can You Calculate Jupiter's Mass Using Callisto's Orbital Data?
- BrainMan
- · Replies 3 ·
Why did the pennies fly up when a skydiver dropped them?
- BrainMan
- · Replies 9 ·
What Is the Gravitational Force Between Two Rocks in Space?
- BrainMan
- · Replies 2 ·
What is the Relationship Between Mach Number and Velocity in Compressible Flow?
- LaReina
- · Replies 4 ·
Gravitation Energy: Calculating Required Energy for Orbit w/ m, T, M, R
- Karol
- · Replies 3 ·
Electrostatics - Electric field of a quadrupole
- AwesomeTrains
- · Replies 2 ·
Compressed vertical spring bounce
- danyork
- · Replies 14 ·
Projectile Motion Gun Problem: Calculating Elevation Using Equations of Motion
- Arka420
- · Replies 5 ·
Inductor Energy Loss Calculation
- Tom_Greening
- · Replies 16 ·
Why Does It Take 200 N to Slow Down a 10 kg Mass in Free Fall?
- brake4country
- · Replies 12 ·
How Do You Calculate Tension in a Frictionless Pulley System?
- Arnoldjavs3
- · Replies 3 ·
How fast would a methane cloud rise in air?
- Mock
- · Replies 6 ·
What is the direction of the magnetic force on a charged particle?
- 4Phreal
- · Replies 8 ·
Calculating Missile Launch Time for 2D Kinematics Problem
- arb
- · Replies 6 ·
Dynamics: Normal and Tangential projectile motion problem
- ajt49
- · Replies 3 ·
Alpha particle approaching gold nucleus
- gilson.fisica
- · Replies 2 ·
Theoretical description about free fall and acceleration
- atxjoe512
- · Replies 3 ·
Number of oscillations executed by an object to be in phase
- desmond iking
- · Replies 15 ·
Air Speed Calculation for a .002 Inch Gap at 80 PSI
- Chris 23
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Do electrons accelerate in a conductor due to potential difference?
- a7madfmj
- · Replies 5 ·
Calculating Time to Reach End of Tunnel in Earth's Centerless Tunnel
- lepori
- · Replies 1 ·
Two vehicles moving in opposite directions bonus problem
- antonisz
- · Replies 18 ·
What Happens to Inductance with Changes in Current and Loop Configuration?
- Tom_Greening
- · Replies 8 ·
Thermal resistance of layered wall with air gap without convection coefficient
- LaReina
- · Replies 4 ·
Mass attached on two springs between the walls
- skrat
- · Replies 47 ·
Air resistance reduced by a factor of 4: why is acceleration 3F/4m?
- brake4country
- · Replies 4 ·
Liquid, superheated vapour and a mixture
- udontai
- · Replies 2 ·
What is the potential energy at 1/2A in simple harmonic motion?
- Eagles342
- · Replies 3 ·
Kinematics-Boulder Falling Problem
- SChiO
- · Replies 7 ·
Calculating Centripetal Force in a Bent Tube
- Tanya Sharma
- · Replies 29 ·
Deceleration force Vs. distance question
- 220bhp
- · Replies 2 ·
Extra Credit Question for my class, I don't think I did it correctly.
- antonisz
- · Replies 3 ·
Gravitational Energy for Satellite: r1 to r2
- Karol
- · Replies 2 ·