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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Capacitors - Finding the charges and potential at junction
- Saitama
- · Replies 27 ·
Deriving viscosity from particle collisions between moving plates
- gbertoli
- · Replies 1 ·
Tire pressure changing due to temperature
- castrodisastro
- · Replies 25 ·
How Does Finesse Influence the Performance of a Fabry-Perot Interferometer?
- ayesha203
- · Replies 3 ·
Finding the angle beta for vector <60,-50,40>
- xtrubambinoxpr
- · Replies 7 ·
Calculating Change in Electric Potential Energy
- baker265
- · Replies 9 ·
Can a converging lens become a diverging lens in liquid?
- haha1234
- · Replies 3 ·
How Do You Calculate Car Speed When Dodging a Water Balloon?
- jim_ringo
- · Replies 9 ·
Charge and energy stored in a 14V, 113pF capacitor
- baker265
- · Replies 1 ·
Calculating Air Speeds in a Venturi Tube Using Conservation of Fluid Mass
- baquid
- · Replies 1 ·
Projectile Motion fired from a cannon
- ItsImpulse
- · Replies 19 ·
Electrostatics: Finding Equilibrium with Three Charges
- PsychonautQQ
- · Replies 5 ·
Line Charge and Charged Cylindrical Shell (Gauss law)
- Sneakatone
- · Replies 4 ·
Sketch the graph of the wave-function.
- stefan10
- · Replies 1 ·
Solve for Focal Length of Convex Mirror: 1/50 + 1/20 = 1/-f
- Aoiumi
- · Replies 2 ·
The Electric field between two charges
- K.QMUL
- · Replies 5 ·
My Physics Teacher is Obsessed with Elevators
- Medgirl314
- · Replies 16 ·
Calculating the Distance of a Sonar Echo
- rootdawg56
- · Replies 4 ·
Centripetal acceleration for a 12000 rpm centrifuge
- Kieran12
- · Replies 4 ·
Spring, weight and potential energy
- Bromio
- · Replies 8 ·
Beam of particles shot through slits
- Queequeg
- · Replies 12 ·
When carring the nonpolar compound
- pietro18
- · Replies 3 ·
Does an object make tons of micro movements while moving?
- Bonaparte
- · Replies 7 ·
Force exerted by one disc on the other in a capacitor?
- mot
- · Replies 4 ·
What Angle Should a Basketball Player Aim to Score from 15 Feet Away?
- negation
- · Replies 20 ·
What is the Young's modulus of a nylon rope used for climbing?
- pietro18
- · Replies 2 ·
What is the Maximum Height and Time of a Rocket's Flight?
- Garrett21
- · Replies 5 ·
Engineering Statics (Vector Questions)
- xtrubambinoxpr
- · Replies 7 ·
Find work of an object at constant velocity
- lindsaybn10
- · Replies 1 ·
Reaction time of dollar falling between fingers
- alexs2jennisha
- · Replies 1 ·
Projectile Motion with a Moving Observer
- ichivictus
- · Replies 6 ·
Find the Electric field due to two curved rods
- LeFerret
- · Replies 1 ·
What is the Minimum Depth of Water for Standing Sound Waves in a Drinking Glass?
- 4Phreal
- · Replies 2 ·
Elevator going up with constant velocity but changing acceleration
- alexs2jennisha
- · Replies 1 ·
Difficult problem on Angular Kinetics
- Strontium90
- · Replies 6 ·
Finding charge from current and time in household appliance
- jimmyboykun
- · Replies 2 ·
Acceleration of the particle at t = 1s
- patelneel1994
- · Replies 5 ·
Finding the Angular Inertia of a Pulley/Block system.
- GodPlaysDice
- · Replies 2 ·
Height of Peak in M-Slit Experiments
- baubletop
- · Replies 4 ·
Average velocity in two dimension with given functions?
- JessicaJ283782
- · Replies 2 ·
Calculating the Force Needed for Constant Velocity of a 15 kg Crate on a Floor
- Medgirl314
- · Replies 2 ·
Finding coefficient of kinetic friction for sliding crate of bananas
- Medgirl314
- · Replies 2 ·
USAPhO 2011 F=ma exam #12, (gravitational force, 3 body)
- Agrasin
- · Replies 7 ·
Mass subject to a time varying force, find acceleration/speed.
- ichivictus
- · Replies 1 ·
Calculating Maximum Air and Oxygen Amount in a Breathing Apparatus Cylinder?
- $hortix
- · Replies 3 ·
Yes, 86.2 N sounds like a more accurate answer. Great job on your solution!
- Medgirl314
- · Replies 2 ·
How Do I Calculate Sliding Distance with Unknown Mass?
- djalle12
- · Replies 24 ·
Determining Acceleration of Object on x-Axis
- patelneel1994
- · Replies 5 ·
My Physics Teacher Must Really Hate Pianos
- Medgirl314
- · Replies 4 ·
Stone is thrown from the top of the building.
- patelneel1994
- · Replies 3 ·
Thermal conductivity between sheets of two different metals
- castrodisastro
- · Replies 22 ·
Deriving Ideal Gas Law through partition function
- Mangoes
- · Replies 8 ·
Finding the number of microstates
- Dassinia
- · Replies 10 ·
Derivation of Lorentz Transformation for Acceleration
- MostlyHarmless
- · Replies 1 ·
1 dimensional heat transfer question
- theBEAST
- · Replies 5 ·
Can Heat Engines Be Built? An Exploration
- Cwhitlatch32
- · Replies 6 ·
What Altitude Should a Geosynchronous Satellite Orbit Mars?
- yiyi
- · Replies 2 ·
Understanding Tension in a Block and Tackle System
- caa4444
- · Replies 2 ·
Where are the Nodes Located in a Circuit?
- princejan7
- · Replies 1 ·
Projected component of F along a line in cartesian question.
- 7Lions
- · Replies 13 ·
Finding the angle of the total acceleration of a point?
- JessicaJ283782
- · Replies 1 ·
Calculating Collision Time for Two Objects with Different Initial Velocities
- Speedking96
- · Replies 2 ·
Maximum upward acceleration of a piano lifted by cable
- Medgirl314
- · Replies 11 ·
Electric Field and Dipole Moment from Line Charges?
- NATURE.M
- · Replies 19 ·
2011 Physics Olympiad Problem 25
- Thundagere
- · Replies 7 ·
Drag Force Equation: Sphere vs 1/2pv^2C_dA
- xphysics
- · Replies 5 ·
Change in Vrms, given initial P and V, find energy added.
- MattRob
- · Replies 1 ·
Average shear stress in going between a spliced rod?
- kal854
- · Replies 3 ·
How to solve multiple choice questions?
- meisterluv
- · Replies 4 ·
Finding Magnetic Flux Through a Wire Frame
- VishalChauhan
- · Replies 25 ·
Maximum height of a projectile thrown from a rooftop
- s.dyseman
- · Replies 2 ·
Work done at constant velocity with no acceleration
- JudyyNunez
- · Replies 3 ·
What potential difference is required to bring the proton to rest?
- Jbreezy
- · Replies 9 ·
Finding resultant electric field
- cwbullivant
- · Replies 5 ·
Show that the horizontal range is 4h/tan(theta)
- negation
- · Replies 10 ·
Why is torque zero for Earth's orbit around the sun?
- BOAS
- · Replies 4 ·
USAPhO 2008 F=ma exam #18, (gravitational potential)
- Agrasin
- · Replies 15 ·
Deriving the Cyclic Rule in Thermodynamics
- Nikitin
- · Replies 14 ·
How to calculate R thevenin (Circuits)
- Miike012
- · Replies 2 ·
How many external forces act on each dipole and why?
- Lee33
- · Replies 5 ·
Does the formula v=∆x/(cosθt) give the TOTAL velocity of a projectile
- Ben1
- · Replies 8 ·
How do you find acceleration without knowing the tension?
- tdreceiver17
- · Replies 2 ·
Given time, distance and weight, how do I calculate work?
- fixedglare
- · Replies 9 ·
Horizontal range of 2 different angles
- negation
- · Replies 10 ·
How far apart are the stop signs?
- Abdul.119
- · Replies 3 ·
Statics. Equilibrium With Springs and Tension Question.
- Dieinhell100
- · Replies 9 ·
Two blocks stacked centripetal motion
- thatoneguy6531
- · Replies 6 ·
Constant Acceleration; answer not correct for some reason?
- dudenamedscott
- · Replies 2 ·
Significant Figures when Converting from DMS to Decimal Degrees
- deedsy
- · Replies 5 ·
Where did the water balloon fall?
- Medgirl314
- · Replies 11 ·
The force between charged parallel disks, when distance isn't given?
- Allenlbq
- · Replies 1 ·
Interesting harmonic motion lab
- rhino1000
- · Replies 18 ·
Find angle with pith ball and vertical wall
- britt
- · Replies 4 ·
Parallel Plate Capacitor Diameter
- tomizzo
- · Replies 2 ·
How Long Does an Arrow Fly When Fired from a Cliff?
- Medgirl314
- · Replies 14 ·
Physics 11 Final exams Practice
- ovechkin1313
- · Replies 2 ·
Why does the electric field from a charged sheet have factor z/(z²+r²)^½?
- MathewsMD
- · Replies 3 ·
Plot Vout for RC circuit with step input
- oddjobmj
- · Replies 7 ·
Ratio of flight times at angles 45degree +/- alpha
- negation
- · Replies 22 ·
A dust particle through an electric field
- baker265
- · Replies 3 ·