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 Is Acceleration Calculated When a Bureau Starts Moving on a Rough Surface?
- grouchy
- · Replies 7 ·
Where the total electric field is equal to zero?
- barrett
- · Replies 2 ·
Velocity, Acceleration and Distance
- clipperdude21
- · Replies 1 ·
Rotational Motion of two blocks
- Destrio
- · Replies 4 ·
What Is the Power Delivered to R6 by the Batteries?
- mitleid
- · Replies 14 ·
Current and potential difference, simplifying circuit diagrams
- verytired
- · Replies 3 ·
How Do You Calculate Total Capacitance in a Mixed Series-Parallel Circuit?
- JFonseka
- · Replies 1 ·
Determining Velocity with Projectile Motion
- TexasCow
- · Replies 5 ·
Finding where two trains collide on the same track
- arjun90
- · Replies 6 ·
Two problems involving rotational movement
- dzogi
- · Replies 2 ·
Particle motion in non-uniform electric field
- mitleid
- · Replies 5 ·
Solve the Maximum Height of Body 1 Puzzle!
- badbit
- · Replies 3 ·
What is the correct formula for calculating velocity?
- whitestrat69
- · Replies 2 ·
Calculating Initial Speed in an Inelastic Collision with Friction
- Oliviam12
- · Replies 5 ·
Momentum in a Many-Particle System
- Jacobpm64
- · Replies 1 ·
Sphericial Capacitance w/Dielectrics
- mitleid
- · Replies 3 ·
Conservation of Angular Momentum A collapsing Star
- dsmwc8
- · Replies 1 ·
Constructing a Tubular Bell Array: Solving the Wave Equation
- ELESSAR TELKONT
- · Replies 3 ·
Measure the tensile strength using Young’s Modulus
- cmgames
- · Replies 4 ·
Why Does a Bimetallic Strip Bend When Heated?
- Saladsamurai
- · Replies 1 ·
Calculating Coefficient of Friction for Olympic Skier
- wildcatfan760
- · Replies 1 ·
Capacitor with connections on inner surfaces
- sridhar10chitta
- · Replies 10 ·
How Do You Find the Ratio of Centripetal Acceleration for Different Radii?
- bakeit1
- · Replies 7 ·
Time constant and charging process in RC circuit with capacitors in series and parallel
- yikes_physics
- · Replies 4 ·
Solve for Distance Sliding in Socks with Friction of .250
- Heat
- · Replies 3 ·
How Is Work Calculated When Friction Is Involved?
- BarCode
- · Replies 1 ·
Work Energy Theorem+Projectile motion
- rwx1606
- · Replies 3 ·
Calculating Work Done by Gravity on Thrown Ball
- BuBbLeS01
- · Replies 6 ·
Capacitance ( getting started)
- yikes_physics
- · Replies 3 ·
What is the Force of Air-bag Deployment on an 89 kg Person in a Car Crash?
- MissKaylaPaige
- · Replies 8 ·
Work Done by Force on Balky Cow: -209J
- Heat
- · Replies 1 ·
Particle's Velocity at x_max: F_0, m, v_0, c
- physics90604
- · Replies 1 ·
Moment of Inertia and the parallel axis theorem
- mdk31
- · Replies 10 ·
How Do You Calculate Angular Momentum for a Particle in Motion?
- Vickie02
- · Replies 1 ·
What is the maximum radius that this circle could have?
- gamesandmore
- · Replies 1 ·
Weighted Average Velocity between r1 and r2
- natski
- · Replies 5 ·
How Do Forces Act on an Elevator in Motion and at Rest?
- pinkyjoshi65
- · Replies 67 ·
What is the difference between time-like and space-like separation?
- azatkgz
- · Replies 2 ·
Work-Energy Method: Solving Doubled Initial Speed of Car
- Heat
- · Replies 4 ·
Work done by a pitcher throwing a baseball at 32.5 m/s
- Heat
- · Replies 2 ·
Work done by tension and gravity on a ball in vertical circular motion
- Heat
- · Replies 10 ·
What Is the Initial Speed and Maximum Height of a Rock Thrown Vertically?
- Heat
- · Replies 6 ·
Finding tensions in cords with two hanging configurations
- Heat
- · Replies 10 ·
How does rain falling into a rolling cart affect its speed?
- Izmad
- · Replies 9 ·
Momentum collision of two clay balls
- klm
- · Replies 21 ·
Wave on a rope - question concerns the maths of the wave equation
- karnten07
- · Replies 3 ·
Lens as aperture stop, entrance pupil, and exit pupil simultaneously
- toam
- · Replies 1 ·
Calculating Minimum Car Stopping Distance on a Rainy Day
- conno719
- · Replies 3 ·
How Do You Calculate the Accepted Acceleration of a Rolling Cylinder?
- xtremebenji
- · Replies 6 ·
Velocity of each ball at the moment of impact: V = u + Ft/m
- strickfutball
- · Replies 2 ·
Linear and angular acceleration of a falling cylinder? [long]
- Bob Loblaw
- · Replies 19 ·
Simple Harmonic Motion of a particle of mass
- Himanshu
- · Replies 5 ·
Finding mass from a force vs. time graph
- physics_wtf
- · Replies 4 ·
Moment of Inertia of four particles
- Rubidium
- · Replies 1 ·
Speed of Rotation to Experience X Acceleration
- Hisui
- · Replies 1 ·
Calculate Tension in a String: Ball at Top & Bottom
- Hisui
- · Replies 2 ·
Biophysics problem - Acoustics and Sound
- Red88
- · Replies 1 ·
Solve Puzzle - http://images.upload2world.com
- pains
- · Replies 4 ·
Is Work Done When Lifting a Box of Books Despite Equal Forces?
- ilkjester
- · Replies 4 ·
Axe embedding in tree and rollercoaster on incline
- xasn23
- · Replies 12 ·
Free Body Diagram and Newton's 2nd
- odie5533
- · Replies 10 ·
Coefficient of kinetic friction for 325N box pushed at 35.2°
- logglypop
- · Replies 4 ·
How do you calculate acceleration and angular acceleration with pulleys?
- DeadFishFactory
- · Replies 4 ·
Variables in a centripetal motion problem
- dominus96
- · Replies 7 ·
Finding the third force on a lemon using F=ma
- kevinf
- · Replies 3 ·
Special Relativity question - SHOULD be easy
- joker_900
- · Replies 1 ·
How long can a 1.5 V battery light a flashlight bulb drawing 0.6A?
- Sarliz
- · Replies 3 ·
How Do You Calculate Average Vertical Velocity in Physics Problems?
- nblu
- · Replies 3 ·
Vector subtraction direction and magnitude of sum at 150°
- Cowtipper
- · Replies 2 ·
What is the angular displacement of a wheel with constant angular acceleration?
- delecticious
- · Replies 10 ·
Expressing force in terms of weight
- MissKaylaPaige
- · Replies 4 ·
How Do You Solve for t in the Equation 2h = vt + gt^2?
- dominus96
- · Replies 2 ·
Rotational Energy: Angular Acceleration, Speed, Radians & Kinetic Energy
- map7s
- · Replies 4 ·
Tension, Force, and Newton's 3rd law
- MissKaylaPaige
- · Replies 4 ·
Momentum ballistics speed question
- klm
- · Replies 2 ·
Linear Acceleration in a Circular Path
- pecosbill
- · Replies 6 ·
Projectile Motion (shooting an arrow)
- KatieLynn
- · Replies 6 ·
Calculating Volume Using Buoyancy
- BayernBlues
- · Replies 4 ·
Uniform circular motion and coefficient of friction
- KatieLynn
- · Replies 11 ·
Power Calculation for Car Accelerating on Inclined Road: Find Net Power [SOLVED]
- dgoudie
- · Replies 1 ·
What is the strength of the earth's electric field
- Idea04
- · Replies 3 ·
What is the Mass of a Block of Ice Given a Constant Force and Displacement?
- MissKaylaPaige
- · Replies 6 ·
How Do You Calculate Voltage Drop in a Series Inductor and Resistor Circuit?
- TommyJBrown
- · Replies 2 ·
Uniform Ciruclar Motion (whirling cord)
- KatieLynn
- · Replies 4 ·
Block on inclined plane with friction coefficients
- kchau
- · Replies 7 ·
Calculating Distance for Jumping off a Slope at 45°
- borovecm
- · Replies 1 ·
Equations of Motion (Deriving equations)
- arjun90
- · Replies 1 ·
Dynamics - Relative velocities in rigid bodies
- kdm06
- · Replies 3 ·
Minimum Horsepower for Dragging a Box at a Given Speed
- engineer2010
- · Replies 2 ·
Forces and Power: 18.5 HP to Drive 2320 kg Auto at 62.0 km/h
- odie5533
- · Replies 2 ·
Calculating Total Energy of A and B Nuclei in Center of Mass Frame
- azatkgz
- · Replies 10 ·
How Does a Particle's Motion Change Direction and Velocity Over Time?
- mooneh
- · Replies 1 ·
Acceleration From Earth's Rotation
- odie5533
- · Replies 2 ·
One-Dimensional Motion, Bullet-through-a-board-type question
- 88elephants
- · Replies 3 ·
Solving Mass of 2nd Disk with Angular Momentum
- map7s
- · Replies 7 ·
Acceleration Question* * (Physics 11)
- wonton1017
- · Replies 2 ·
Electric Field in center of half spherical shell
- yevi
- · Replies 6 ·
What Forces Create Equilibrium at Point P?
- ilkjester
- · Replies 3 ·
Relative velocities of rigid bodies
- kdm06
- · Replies 2 ·
Parcel falls from car roof after collision with wall
- whitestrat69
- · Replies 7 ·