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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Net Force given mass, force, angle.
- marvolo1300
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Magnitude of total electrostatic force on a third particle ?
- education_24
- · Replies 8 ·
Can Electron Spin Orientation Change and Affect Entanglement?
- Wolframthejam
- · Replies 8 ·
College Physics Problem Genesis Mission
- aamartineng17
- · Replies 1 ·
Ideal gas expansion: adiabatic, isobaric and isothermal processes
- SoggyBottoms
- · Replies 7 ·
Necessity to discharge capacitors in circuits
- BluFoot
- · Replies 3 ·
Why does Schrödinger equation have first-order time and second-order space derivatives?
- humanist rho
- · Replies 1 ·
Velocity of points on a moving wheel relative to the ground
- samreen.a
- · Replies 1 ·
Calculating Force of a Nail Stopping a Hammer with Constant Acceleration
- Mdhiggenz
- · Replies 1 ·
Electric field inside a parallel plate capacitor
- beardo34
- · Replies 4 ·
Current in a hollowed nichrome wire
- Minhtran1092
- · Replies 1 ·
Uncertainties of Dimensionless Units
- Qube
- · Replies 1 ·
Two radii pulley lifting a pack
- getty102
- · Replies 1 ·
How Do Charge Distributions Affect Electric Fields in Capacitors?
- forestmine
- · Replies 2 ·
Why Is My Homemade Pan Flute Not Producing Sound?
- Eliowns
- · Replies 1 ·
Balls dropped and thrown at the same time
- wmsaqqa
- · Replies 4 ·
Kinetic energy and collision involving a spring
- NeuroFuzzy
- · Replies 1 ·
What Experiments Can Demonstrate Shock Waves and Supersonic Flow?
- sam_021
- · Replies 1 ·
Is the F Pointing to the Right Friction or Force of the Truck Accelerating?
- xzibition8612
- · Replies 1 ·
Force to stop Sara's car after collision with snowbank
- silviamar21
- · Replies 1 ·
Air Resistance effect on different masses
- paperdoll
- · Replies 2 ·
Dependent motion with ropes question
- JustinLiang
- · Replies 1 ·
Friction with two stacked blocks and friction
- EEintraining
- · Replies 7 ·
How do we find the molar mass of dry air?
- roam
- · Replies 11 ·
Calculating Kinetic Energy for Diffracted Particles
- glebovg
- · Replies 10 ·
What is the Momentum Change in an Elastic Collision?
- silviamar21
- · Replies 1 ·
Net Force at the Bottom of Circular Motion
- marvolo1300
- · Replies 4 ·
Magnetic field needed to balance torque on a current loop
- hover
- · Replies 2 ·
Ball striking wall and elastic collision between two balls
- silviamar21
- · Replies 1 ·
Does an object at rest have inertia?
- silviamar21
- · Replies 1 ·
Inelastic Collision with friction
- scruffles
- · Replies 2 ·
How Long Does It Take for a Capacitor to Discharge in an RC Circuit?
- Mebmt
- · Replies 5 ·
Why Does Work Equal Zero in Some Situations?
- dwdoyle8854
- · Replies 6 ·
Bullet trajectories and Newton's Principia
- ja!mee
- · Replies 3 ·
Find angular momentum of a body moving around other in elliptical path?
- vkash
- · Replies 2 ·
Relative uncertainty in momentum for electron measured to de Broglie wavelength
- physstudent.4
- · Replies 2 ·
Work done by tension lowering a 40.9 kg mass at 3.09 m/s²
- iJamJL
- · Replies 9 ·
How Does a Spring Affect the Motion of a Rocket?
- shrutij
- · Replies 3 ·
How Do You Calculate Acceleration from a Hanging Die's Deflection?
- shlurpie
- · Replies 3 ·
Spring energy to kinetic energy
- shrutij
- · Replies 8 ·
How Loud is a Rock Band in Terms of Power Output?
- CherryXBOMB
- · Replies 1 ·
Moments about a point (statics)
- nonyabus
- · Replies 2 ·
A problem involving Force in terms of time?
- kalpeshk2011
- · Replies 7 ·
Tension at midpoint of thread hanging between two hinges
- twinklealices
- · Replies 6 ·
Insulation Most Relevant for a Fridge
- sasuke07
- · Replies 6 ·
How Do You Calculate the Kinetic Energy of a Flywheel?
- clairecho22
- · Replies 2 ·
Role of moment of inertia in rotational motion versus mass in linear motion
- clairecho22
- · Replies 1 ·
Finding the Stretch of a Hanging Mass on a Spring
- moonbase
- · Replies 2 ·
How does a parallel plate capacitor work (conceptually)?
- btpolk
- · Replies 1 ·
Free vibrations of stretched strings
- kaamos
- · Replies 1 ·
Showing the Terminal Velocity equation is dimensionally correct.
- Plebert
- · Replies 1 ·
What is required to just barely avoid a collision.
- Artie
- · Replies 25 ·
A steel rod and an iron rod is placed inside an ac current soleoid
- sgstudent
- · Replies 10 ·
Equipotential lines and electric field lines
- ktb
- · Replies 1 ·
Dynamics Question: What is the velocity of a car traveling on a known curvature
- physicsnewblol
- · Replies 1 ·
Understanding Work Done in a Bfield on an Electron
- chiddler
- · Replies 1 ·
How many wavelengths of sound are between the two animals?
- physicsguy101
- · Replies 1 ·
Solving Sliding Blocks Down an Inclined Surface
- Dylan6866
- · Replies 1 ·
Thermodynamic heat power problem
- pasiman94
- · Replies 1 ·
Compressed spring, doubling speed of impact
- shrutij
- · Replies 2 ·
Dependent motion problem with ropes
- theBEAST
- · Replies 5 ·
Thermodynamic- Internal energy of dry air
- harman12345
- · Replies 3 ·
1D oscillator solving for Amplitude
- aaj92
- · Replies 6 ·
Energy and Entropy from P-V Diagram
- Rapier
- · Replies 2 ·
What is the Magnitude of the Electric Field?
- Covert Liason
- · Replies 3 ·
Gravitational pull on asteroid/Period it takes for one orbit
- testme
- · Replies 7 ·
Simple lab with two blocks and pulley
- fisselt
- · Replies 2 ·
Parallel plate capacitor's plate distance is doubled, does the energy double?
- DerekZ10
- · Replies 1 ·
What is the maximum distance and velocity of a charge in an electric field?
- dminus
- · Replies 2 ·
Orbital radius of satellite with lower speed than v
- PeachBanana
- · Replies 3 ·
Tension in Cables of Differing Angles
- Aninnymoose
- · Replies 1 ·
Microwave frequency from wavelength and slit interference
- PotentialE
- · Replies 1 ·
Calculating Average Force in Nonelastic Collisions with No External Forces
- nhmockus
- · Replies 5 ·
Non-elastic collision without outside influence
- nhmockus
- · Replies 1 ·
Racquet ball inelastic collision with wall: momentum, time and energy
- ctwokay
- · Replies 1 ·
Electromagnetic Induction and an electric generator
- physgrl
- · Replies 21 ·
Does Newton's third law apply to Atwood's machine?
- Syrus
- · Replies 9 ·
Is Multiplying a Complex Number by ejθ a Positive Rotation of Its Vector?
- JJHK
- · Replies 1 ·
How do I slove this quadratic equation?
- kboynt1
- · Replies 16 ·
Calculating Center of Mass, 1988 Physics C Mechanics MC
- bubblepop
- · Replies 1 ·
Weight in an Elevator and Normal Force
- PeachBanana
- · Replies 3 ·
Finding the reference frame where total momentum is zero
- JimiJams
- · Replies 5 ·
What is the Capacitance of a Capacitor with Two Different Dielectrics?
- DrunkApple
- · Replies 1 ·
Instantaneous velocity of an object with varying mass at the bottom of a slope
- zfa9675
- · Replies 2 ·
Finding electrostatic potential energy
- chiddler
- · Replies 2 ·
What does the slope represent for force vs product of charge?
- mangofries
- · Replies 1 ·
Calculate current in one resistor in RC circuit
- hopkinmn
- · Replies 17 ·
Does it matter if a charge (unknown) placed at infinity
- vivekrai
- · Replies 1 ·
Gravitational Potential Energy, Elastic Potential Energy, and Kinetic Energy
- PeachBanana
- · Replies 3 ·
Tension in cord connecting two blocks on frictionless slopes at 37° and 45°
- Rey4312
- · Replies 15 ·
Facts I need to learn in Physics besides the formula
- physics_help
- · Replies 1 ·
Why does the momentum derivative point toward the star in an elliptical orbit?
- davamr
- · Replies 4 ·
Coefficient of Static Friction with Acceleration
- PeachBanana
- · Replies 3 ·
Entropy of Objects and the Universe
- frozonecom
- · Replies 4 ·
Parachute- acceleration due to gravity
- ZB08
- · Replies 7 ·
Analyze beats using complex exponentials
- Lizwi
- · Replies 3 ·
Projectile Motion: Shooting over a hill
- kkernodl
- · Replies 3 ·
Centripetal Force/Changing direction on ice - Turn length
- testme
- · Replies 3 ·
Determining Velocity of Ball Fired Horizontally from Ballistic Pendulum
- lip1993
- · Replies 1 ·
Calculating Velocity Change to Change Satellite Orientation
- Eagle120
- · Replies 1 ·