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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How does volume times density equal force in work integrals?
- Migkiller
- · Replies 6 ·
How Do You Calculate Net Displacement in Multiple Directions?
- emilyjbee
- · Replies 1 ·
Textbook error? Incorrect derivation?
- PFStudent
- · Replies 15 ·
Finding when two trains are 23 km apart
- CathyLou
- · Replies 7 ·
Radial and tangential acceleration in spiral motion r=Aθ
- amstrf89
- · Replies 9 ·
Multiple Choice Kinematics Question
- Champ07
- · Replies 6 ·
Moment of inertia of rod with point masses at ends
- Sleek
- · Replies 3 ·
Dimensionalysis and Conversions
- honphysics12
- · Replies 4 ·
What does "within a power of ten" mean for 0.00010 and 0.0037?
- eraemia
- · Replies 5 ·
2 Billion People Jumping Off Ladders Simultaneously
- Idioticsmartie
- · Replies 8 ·
Finding length of tube, air column, standing waves
- aliaze1
- · Replies 1 ·
H> Graphing out Word problems ( Word eq. included)
- Larrytsai
- · Replies 1 ·
What is the energy of the lowest orbital and why?
- hamza
- · Replies 1 ·
Truck braking with deceleration and unit conversion
- ballerinajen426
- · Replies 2 ·
When Will John Catch Up to Mary?
- Larrytsai
- · Replies 1 ·
Force question involving an asteroid and spacecraft
- rkjul
- · Replies 2 ·
How Is the Center of Mass Calculated in a Two-Particle System?
- eraemia
- · Replies 1 ·
How Do You Calculate Forces on an Inclined Plane with Friction?
- myelevatorbeat
- · Replies 23 ·
Kinetic energy of alpha particle between parallel plates
- Winzer
- · Replies 7 ·
How Do You Calculate Net Force on Charges at Triangle Corners?
- excelsion
- · Replies 13 ·
Solving the Rocket Ship Problem
- strangequark
- · Replies 4 ·
How Does Force Affect a Duck's Displacement in Water?
- afcwestwarrior
- · Replies 3 ·
What is the Force Exerted by a Child on a Swing Chair?
- myelevatorbeat
- · Replies 13 ·
Adding vectors with components and scaling by scalars
- Oblio
- · Replies 13 ·
Car breaking speed physics priblem
- efofgee0508
- · Replies 1 ·
Net force on a 92 kg quarterback tackled by a 110 kg linebacker
- afcwestwarrior
- · Replies 6 ·
Spaceship Time dilation problem
- Benzoate
- · Replies 3 ·
GRE Subject Questions: Learn How to Solve Them with Expert Tips
- tigigi
- · Replies 3 ·
Coefficient of static friction with brakes
- conniechiwa
- · Replies 8 ·
Hanging mass rope angle acceleration significant figures
- myelevatorbeat
- · Replies 1 ·
Is Velocity Constant if AxVx + AyVy Equals Zero?
- bob1182006
- · Replies 1 ·
Kinematics of rolling ball question
- Bionerd
- · Replies 2 ·
Particles moving along the axes.
- niyati
- · Replies 2 ·
Trig Problems for physics course
- pooface
- · Replies 6 ·
Can someone tell me if I made an error?
- myelevatorbeat
- · Replies 1 ·
Where does the rocket land relative to the cart?
- Remulak
- · Replies 4 ·
Does 'extended' mean 'larger' in this case?
- Saladsamurai
- · Replies 2 ·
Motion of a freely falling object
- chom
- · Replies 4 ·
Can rolling down a slope: energy and speed?
- munkachunka
- · Replies 8 ·
Finding force magnitude and direction from velocity change
- Warpedintellect
- · Replies 3 ·
Change in gravitational Potential energy
- Oerg
- · Replies 9 ·
What is the Direction and Magnitude of the Force on a Hanging Rope?
- Niles
- · Replies 11 ·
Set Upward Accel. Then FreeFall ?
- moobers
- · Replies 1 ·
Physics 100: Solving the Overtaking Problem of a Car and Train
- alda00
- · Replies 5 ·
Baryons and their quark constituents
- Atomos
- · Replies 2 ·
How Do You Calculate the Final Displacement Angle of a Roller Coaster?
- twotaileddemon
- · Replies 10 ·
Finding wind velocity from airplane displacement
- ccsmarty
- · Replies 9 ·
Finding out how many electrons have passed a point in the circuit
- mandos
- · Replies 7 ·
Velocity vs speed, cup on table momentum, cart collision impulse
- eraemia
- · Replies 2 ·
Conservation of energy as a function of Time
- PlantPage55
- · Replies 3 ·
Finding Displacement: Psychic Squishy Sounds Band's Tour in Texas
- Mikaelangel
- · Replies 3 ·
What is the Average Velocity and Speed of a Moving Ball?
- Heat
- · Replies 16 ·
Resultant force on charge at corner of square with three other charges
- WardenOfTheMint
- · Replies 1 ·
Questions about charge flow and electricity
- te Toast
- · Replies 1 ·
Why does differentiating potential give twice the electric field?
- Bert
- · Replies 15 ·
Null result of the michelson morley experiment
- Benzoate
- · Replies 5 ·
Kinematics projectile question
- fizzzzzzzzzzzy
- · Replies 8 ·
How do I calculate vector magnitude and direction from displacement components?
- FallenAngel
- · Replies 9 ·
Solving the Uniform Rod Problem: Calculating Force on a Point Charge
- venom_h
- · Replies 1 ·
Why is the time interval between the events in frame S larger than in frame S'?
- Benzoate
- · Replies 1 ·
Calculate your average velocity from pillar to post
- Heat
- · Replies 5 ·
Speed of 9.0-kg box sliding down frictionless incline from 5.0 m height
- NeRdHeRd
- · Replies 8 ·
General Force and Motion Question
- bpw91284
- · Replies 15 ·
Significant figures in scientific notation and calculations
- xCanx
- · Replies 3 ·
Why must centripetal force point towards the center?
- Energize
- · Replies 2 ·
Kinematics - Find velocity of the car
- harrylee
- · Replies 1 ·
What is the Symbolic Meaning of the Two Vertical Lines in Grid Diagrams?
- qspeechc
- · Replies 2 ·
How to Create an Average Velocity vs. Time Graph from Collected Data Points
- ccsmarty
- · Replies 5 ·
Object falling 0.46h in final 1.00 s: find height and time
- jperk980
- · Replies 10 ·
Electric field at midpoint of square with alternating charges
- danielab87
- · Replies 7 ·
Solving Vector Division: Breaking Down the "12 Left" Answer
- Ecterine
- · Replies 4 ·
How much water is in a typical cumulus cloud?
- kevinf
- · Replies 3 ·
How High Can a Garbage Can Ride on a Geyser's Force?
- i.mehrzad
- · Replies 8 ·
How Do You Calculate the Direction of a Cross Product Vector?
- odie5533
- · Replies 4 ·
Mass suspended on a spring question
- chriswev
- · Replies 10 ·
Acceleration due to the Sun's gravity at Earth's distance
- Idioticsmartie
- · Replies 4 ·
Units for surface tension from capillary tube measurement
- shamstar
- · Replies 4 ·
Which Electromagnetic Radiation Has the Greatest Photon Energy?
- vicks
- · Replies 1 ·
Train pulling caboose - forces and friction
- BlueSkyy
- · Replies 7 ·
Finding force given constant velocity and mass?
- BlueSkyy
- · Replies 3 ·
When to use velocity addition vs final velocity formula?
- divito
- · Replies 7 ·
Aluminum wire stretched four times longer, resistance?
- redsealelectron
- · Replies 9 ·
Lorentz transform for two events with v=3c/5
- strangequark
- · Replies 2 ·
Calculating Angular Speed of an Alpha-Particle in a Magnetic Field
- gamesandmore
- · Replies 2 ·
Bicyclist displacement, velocity, and acceleration over 35 seconds
- CodyBr
- · Replies 4 ·
Quick Equations of Motion questions (2). Rxn time; deceleration
- SteveThePharmer
- · Replies 4 ·
Calculating g from fall time and height with uncertainty
- ccsmarty
- · Replies 3 ·
Calc. the car's average acceleration
- hullio
- · Replies 4 ·
Finding the Aperture Size for 1-Arcsec Resolution at 500nm Wavelength
- Benzoate
- · Replies 1 ·
Question with associated uncertainty
- kevinf
- · Replies 7 ·
Finding vector C = 3.00A - 4.00B with unit vectors
- Heat
- · Replies 6 ·
Initial velocity, acceleration due to gravity question
- scifi3
- · Replies 9 ·
Calculating Electric Field at a Point from Multiple Charges
- yevi
- · Replies 34 ·
Relationship between Fick's law, Einstein's law and Stokes' law
- paperclip
- · Replies 3 ·
Can Zero Vectors Exist in Vector Equations?
- odie5533
- · Replies 11 ·
Ball velocity after 0.5 seconds with momentum principle
- jmmcarync
- · Replies 6 ·
Is the ratio of the two times in the right direction?
- jesuslovesu
- · Replies 4 ·
What Forces Influence a Paper's Leap Toward a Charged Comb?
- eraemia
- · Replies 1 ·
I Keep Getting 2 Different Answers.
- jbp890
- · Replies 4 ·
How to Calculate the Inclination of a Tilted Table Using Physics
- Simfish
- · Replies 2 ·