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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Torque on a hammer conceptual question.
- bdh2991
- · Replies 1 ·
What are the steps to solving a velocity-time problem with uniform acceleration?
- 200krisx
- · Replies 1 ·
Finding torque exerted by a 1.5 m flywheel at 1500 rpm
- SherBear
- · Replies 2 ·
Simple Optic Resolution Problem/ Rayleigh's Criterion
- bmb2009
- · Replies 1 ·
Concenctric spheres and electron
- masacre
- · Replies 1 ·
Is this the right way to work out this pool ball momentum problem?
- Lo.Lee.Ta.
- · Replies 6 ·
Momentum - velocity due to height
- ngorecki
- · Replies 7 ·
Sign errors in pulley system with friction and rotation
- nontradstuden
- · Replies 3 ·
Motion in two dimention problem
- Ammar w
- · Replies 2 ·
Flux density in iron ring with air gap and 200 turns
- circuitaki
- · Replies 20 ·
Newtons Rings: Calculating Refractive Index
- cgraystone
- · Replies 3 ·
How do I find the impulsive reaction using angular momentum conservation?
- Saitama
- · Replies 16 ·
How Do You Calculate Amplitude and Phase in a Damped Oscillator?
- phenalor
- · Replies 1 ·
Calculating Effective resistance
- pratyushag
- · Replies 7 ·
Angular acceleration of the bar
- Saitama
- · Replies 9 ·
Conservation of energy using orientation
- Lolagoeslala
- · Replies 27 ·
What is the acceleration of a magnet when dropped towards a copper loop?
- pratyushag
- · Replies 6 ·
What are the Induced Poles in Coaxial Coils Facing a Moving Bar Magnet?
- pratyushag
- · Replies 1 ·
Maximum magnetic force on a wire in a magnetic field
- pratyushag
- · Replies 9 ·
A few questions from an already graded test on classical forces
- cwbullivant
- · Replies 6 ·
Work of an Object moving down Inclined Plane
- Astrum
- · Replies 2 ·
How Is the Maximum Length of a Spring Calculated with a Hanging Mass?
- Jacob959
- · Replies 4 ·
Simple derivation for elastic collisions, where is my mistake?
- mathman44
- · Replies 1 ·
Einstein's Equation: Calculate Frequency of Proton
- chikis
- · Replies 4 ·
NIB Magnet Dropped in a Cu tube - Forces
- MrLiou168
- · Replies 2 ·
What is the equivalent capacitance for this circuit?
- KeithLucas
- · Replies 4 ·
Forces and Moments acting on an entire system.
- proctortom
- · Replies 3 ·
Finding acceleration in spring situations
- bunk66
- · Replies 4 ·
Force on m by 2m such that m is stationary on M
- Cali37
- · Replies 2 ·
Net Force on 2m Mass: Prove/Disprove?
- Cali37
- · Replies 1 ·
What is the maximum height reached by two masses after an elastic collision?
- Lolagoeslala
- · Replies 34 ·
Final velocity of this hockey puck
- Ace.
- · Replies 4 ·
Kinetic energy along with conservation of momentum
- Lolagoeslala
- · Replies 3 ·
Working out how many complete waves are sent out.
- onecupoftea
- · Replies 2 ·
Solving Max Acceleration for Physics 1 Mid-Semester
- sejr
- · Replies 13 ·
Qn. on general rotational mechanics
- manogna08
- · Replies 3 ·
Solving the Stick of the Gods: Mass, Center of Mass & Moments of Inertia
- SiriusAboutAstronomy
- · Replies 8 ·
General expression for stress within cone.
- peripatein
- · Replies 2 ·
How Is Flow Velocity Defined in Fluid Dynamics?
- Pietair
- · Replies 3 ·
Finding oscillation period from potential energy graph
- Laughter
- · Replies 3 ·
Apparent magnitude of a light bulb
- icedragon
- · Replies 1 ·
Conservation of Momentum in a Girl and Plank System
- ngorecki
- · Replies 6 ·
Find Work done by block of gold?
- studyhard
- · Replies 1 ·
Force equations with all variables shown in diagrams
- dwangus
- · Replies 22 ·
How to measure capacitance of capacitor using these materials only?
- krzysiek
- · Replies 12 ·
Force Problem all my answers don't work
- liamtcarroll
- · Replies 3 ·
Solving for period T in centripetal acceleration equation
- riseofphoenix
- · Replies 6 ·
Why does fission release energy if the mass defect calculation gives negative energy?
- thoradicus
- · Replies 1 ·
Find the inductance and capacitance of an RLC/LC circuit
- Parad0x88
- · Replies 17 ·
A Question on Density Tensors in General Relativity
- diaoye
- · Replies 1 ·
Conservation of energy with springs and rotational motion
- theBEAST
- · Replies 1 ·
Angle between force (5N)i-7(N)j and displacement (3)i+(6)j+(3)k
- iwsdw
- · Replies 4 ·
Showing Momentum and Kinetic Energy In Terms of a Singular Formula
- joedozzi
- · Replies 1 ·
Showing that KE is minimized when objects stick together in a collision
- Azu_
- · Replies 1 ·
Finding the Spring Constant of a mattress
- 012anonymousx
- · Replies 3 ·
Are matter and light actually waves or probability patterns?
- channel1
- · Replies 4 ·
Speed faster or Lower than speed limit on rough banked ramp.
- Vontox7
- · Replies 16 ·
Newton's 2nd Law: Determine Force Magnitude (6.05 N, 6.1 m/s, 2.5 kg)
- liamtcarroll
- · Replies 3 ·
What is the Beat Frequency in Doppler Ultrasound Measurements?
- alwayslearnin
- · Replies 1 ·
Need help giving examples regarding momentum
- notyourmother
- · Replies 1 ·
How can a system of particles with kinetic energy have no momentum?
- Lo.Lee.Ta.
- · Replies 5 ·
Finding Spring Constant from a slope with a constant x?
- cameronjrhea
- · Replies 8 ·
Conservation of energy with rotational motion problem
- theBEAST
- · Replies 3 ·
Difficult Centripetal Motion Problem
- Arooj
- · Replies 1 ·
How Does Height Above Earth Affect Satellite Weight?
- Arooj
- · Replies 1 ·
Why does configuration A induce the largest EMF in Faraday's law?
- 1010101
- · Replies 1 ·
Extremely Hard Conservation of Momentum Problem
- 012anonymousx
- · Replies 1 ·
Finding Force from the Potential Energy
- joedozzi
- · Replies 5 ·
Multiple Slit Interference - 3rd Slit Added Between 2 Slits
- SMA777
- · Replies 1 ·
Superposition of Gravitational Forces
- ieatplaydo
- · Replies 1 ·
What is the mass of this car based on given forces?
- Ace.
- · Replies 3 ·
Accelerating wedge at angle above the horizontal with friction
- PhoniexGuy
- · Replies 11 ·
Do Reflection Questions Enhance Understanding of Optics Problems?
- skg94
- · Replies 9 ·
Cart and ramp with same mass(dynamics)
- masacre
- · Replies 5 ·
Any hints on how to do I find the x component?
- warnexus
- · Replies 5 ·
Misunderstanding of Pressure in the Bernoulli Equation
- theo_doe
- · Replies 10 ·
Calculating the Slitwidth of a Diffraction Gradient
- bmb2009
- · Replies 2 ·
Just need an answer checked on a problem
- AryRezvani
- · Replies 1 ·
Calculate speed of a hoop up an incline
- yoslick11
- · Replies 1 ·
Lower inertia means it moves faster, right?
- Lo.Lee.Ta.
- · Replies 1 ·
How Does Connecting Capacitors in Parallel Affect Charge and Potential?
- Jalo
- · Replies 3 ·
Comparing final volume in isothermal vs adiabatic processes
- arhont
- · Replies 1 ·
Vector Notation for Work: An Exploration of Force and Displacement
- warnexus
- · Replies 2 ·
Wavelength observed when sound source moves away
- thornluke
- · Replies 3 ·
Can Bulb Resistance Change with Different Voltage Sources?
- Peter G.
- · Replies 3 ·
Calculate the speed of the rock as it enters Earth's atmosphere
- Thundagere
- · Replies 8 ·
Calculating Capacitance and Inductance in an A.C. Circuit - What Went Wrong?
- chikis
- · Replies 25 ·
What does it mean that vector is independent of coordinate system
- aaaa202
- · Replies 5 ·
Galileo, inclined plane and geometry.
- talisman2212
- · Replies 11 ·
Ball released from angle θ collides elastically with spring-block system
- rj3214
- · Replies 7 ·
Simple harmonic motion of guitar string
- Hydeysgirl
- · Replies 1 ·
How fast must a spaceship travel to reach Alpha Centauri in 10 years?
- spXq
- · Replies 6 ·
Torque and rotational equilibrium problems
- letsfailsafe
- · Replies 11 ·
Resistance: find the equivalent resistance.
- LostShadow
- · Replies 4 ·
When can I use v=ωr in collision problems?
- Saitama
- · Replies 10 ·
Finding hoop height for ball shot from table ramp using energy conservation
- Physics_B
- · Replies 3 ·
How to calculate power provided by a battery
- miaou5
- · Replies 2 ·
How Is Magnetic Field Strength Calculated in a Solenoid with a Current Balance?
- skg94
- · Replies 2 ·
Deriving Electric Field at Origin for Infinite Line Charge
- MrMaterial
- · Replies 4 ·