Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Checking My Work: Solving for Applied Force in Friction Problem
- mohlam12
- · Replies 2 ·
What is the relationship between voltage and resistance in parallel circuits?
- Hologramdr
- · Replies 3 ·
Object at 2F₁ through convex lens and concave mirror
- stunner5000pt
- · Replies 2 ·
How Do You Calculate Current in R1 Using Kirchhoff's Rules?
- Gonger
- · Replies 2 ·
Uncertainty principle and tv picture tube
- matpo39
- · Replies 2 ·
Determine the direction of the magnetic field
- Haftred
- · Replies 3 ·
Efficient Pendulum Pivoting for a Frictionless Physics Experiment
- explorien86
- · Replies 2 ·
Diameter of laser spot on the moon with diffraction
- shaiqbashir
- · Replies 2 ·
How to integrate sqrt( cos(x) + cos(x)^3)
- Yegor
- · Replies 23 ·
Spacing between minima with four slits vs two slits
- shaiqbashir
- · Replies 2 ·
How Do You Calculate Equitable Payments in Financial Mathematics?
- Oxymoron
- · Replies 1 ·
Algebra - inverse of complex numbers
- bemigh
- · Replies 2 ·
What are the Final Velocities After a Proton Collides with a Carbon Atom?
- Xerxes1986
- · Replies 10 ·
Given (1/cos x)+tan x=22/7 , (1/sin x)+(1/tan x) = m/n, find m+n
- no name
- · Replies 4 ·
Calculating the Bending Moment of a Steel Tube
- fcukniles
- · Replies 2 ·
Setting up the Lagrangian for a rod with large mass ratio
- danesh
- · Replies 3 ·
What is the tension in rope 2 if a sled dog pulls 2 sleds with different masses?
- flyguyd
- · Replies 2 ·
Magnetic force and field problem
- physreject
- · Replies 2 ·
2004 Georgia Tech Math Competition questions
- r3dxP
- · Replies 20 ·
What does this problem mean by angular frequency for a swinging stone?
- tony873004
- · Replies 9 ·
Maximizing box volume by cutting corner squares from 14×9 sheet
- jzq
- · Replies 4 ·
How Does Friction Affect a Hockey Puck's Acceleration and Distance on Ice?
- Power24
- · Replies 4 ·
Mutual speed after head-on tackle collision
- pixelized
- · Replies 2 ·
How Does Weather Affect Telecommunications?
- Lateralus
- · Replies 6 ·
How Does Friction Affect Spring Compression on an Incline?
- bignasty
- · Replies 2 ·
Minimizing horizontal distance in projectile motion
- mprm86
- · Replies 7 ·
How can the parallax method be used to determine the distance of a star?
- snafu
- · Replies 2 ·
Colgate Total: The Total Package for a Simplified Shopping Experience
- mouse
- · Replies 6 ·
Applications of Derivatives using Pythagoras
- erik05
- · Replies 4 ·
What Is the Mass Ratio of Neutron to Proton in an Elastic Collision?
- lookitzcathy
- · Replies 2 ·
Two non-isomorphic groups of order n squared
- assman
- · Replies 3 ·
How do you add I1, I2, I3, I4 to get I5?
- Matty9879
- · Replies 5 ·
How Do You Calculate the Maximum Angle of Deviation in an Electric Field?
- z_sharp
- · Replies 2 ·
What are the best books to master E&M ?
- FancyNut
- · Replies 5 ·
Heat Capacity of Tin Near Fusion Point
- Yegor
- · Replies 2 ·
Find acceleration of car attached to spring scale
- the_d
- · Replies 2 ·
How Does Club Length Affect Golf Swing Speed and Kinetic Energy?
- Padj01
- · Replies 2 ·
Calculate Angular Momentum of Falling Ball
- UrbanXrisis
- · Replies 3 ·
Proving vector derivatives and the BAC-CAB rule
- mohdfasieh
- · Replies 2 ·
Is a collision elastic if momentum is conserved but kinetic energy isn't?
- new324
- · Replies 2 ·
Parallel Pipe Flow: Potential Energy Drop
- Soaring Crane
- · Replies 5 ·
How Do You Calculate the Minimum Banking Angle for a Car in a Turn?
- DrZoidberg421
- · Replies 5 ·
How to Solve for Currents in a Circuit with Resistors and Voltage Sources?
- Matty9879
- · Replies 2 ·
Why is the acceleration value halved in distance calculations?
- eax
- · Replies 4 ·
How High is a Satellite Traveling at 6.7 km/s Above Earth?
- the_d
- · Replies 9 ·
me in solving this Diffraction Grating Problem
- shaiqbashir
- · Replies 2 ·
Tension in rope supporting box over pulley with two rope angles
- tony873004
- · Replies 5 ·
Constructing Proofs: Solving Set Functions with Characteristic Functions
- SpatialVacancy
- · Replies 2 ·
Magnetic field of a coaxial cable at different radii
- andrew410
- · Replies 2 ·
Child crossing river with current k times boat speed
- lektor
- · Replies 2 ·
Calculating Capacitor Potential Difference and Resistance for 12V Battery
- ShadowFX
- · Replies 8 ·
How Does a Circular Hole Affect the Center of Mass of a Rectangular Plate?
- whereisccguys
- · Replies 2 ·
Aluminum wire, current, voltage, density, find mass
- vaxopy
- · Replies 5 ·
Finding the period ratio for two planets with different masses and orbits
- the_d
- · Replies 2 ·
Solving Physics Gravity Problem: 80kg Object Falling
- SwAnK
- · Replies 4 ·
Electric fields + magnets = ouchies
- Poop-Loops
- · Replies 9 ·
Angular acceleration and tension
- Satoy
- · Replies 2 ·
How Do I Solve Normal Distribution Problems Beyond the Standard Z-Table Range?
- semidevil
- · Replies 3 ·
Finding derivatives of the astroid equation
- erik05
- · Replies 6 ·
Simple thinking problem - mirror refraction
- airkapp
- · Replies 6 ·
Finding the angle between vectors A=-3i+4j and B=2i+3j
- UrbanXrisis
- · Replies 4 ·
Open box with square base and volume 108 in³—minimizing material
- jzq
- · Replies 8 ·
Which Lens Material Requires the Most Effort to Craft?
- stunner5000pt
- · Replies 2 ·
What Is the Momentum of a Particle at the Highest Point of Its Trajectory?
- UrbanXrisis
- · Replies 12 ·
Maximum incident angle for light to stay in optical fiber core
- stunner5000pt
- · Replies 1 ·
How Far and How Long Until the Sports Car Catches Up with the Truck?
- Dough
- · Replies 7 ·
Electricity and magnetism question
- benji
- · Replies 2 ·
Completing the Square Practice Questions
- valentines
- · Replies 4 ·
Torque with non-perpendicular forces and rotational kinetic energy
- vitaly
- · Replies 4 ·
Magnetisim Problem Just need an Equation.
- Fused
- · Replies 2 ·
Solving the Stopping Force of an Arrow Shot into Hay
- askthefool
- · Replies 2 ·
Capacator with moving dielectric
- davidY
- · Replies 3 ·
Lens power/focal length question
- StonieJ
- · Replies 4 ·
Michelson-Morley time delay approximation and ether speed calculation
- mathlete
- · Replies 3 ·
Solving a system of linear equations
- Mathman23
- · Replies 8 ·
Kinetic Energy on Incline Objects: Cylinder, Sphere, Hoop, All Same?
- UrbanXrisis
- · Replies 3 ·
What is the time when the ball is 15 m above the ground?
- carltonblues
- · Replies 3 ·
How Fast and How Long Does a Pebble Travel in a Projectile Experiment?
- carltonblues
- · Replies 4 ·
How do I calculate the net resistance in a complex resistor circuit?
- Spyder22
- · Replies 2 ·
Is a Potato Gun Project Safe for Physics Experiments?
- SelmerSaxMan
- · Replies 5 ·
Calculating Work Done Dragging a 20.0kg Suitcase
- askthefool
- · Replies 2 ·
Corner reflector reflects light parallel to incident ray
- shaiqbashir
- · Replies 2 ·
What Forces Determine a Submarine's Diving Trajectory?
- yoyo
- · Replies 2 ·
What is the Electric Field of a Cylindrical Capacitor?
- AKG
- · Replies 2 ·
Lots of electricity confusion
- preet
- · Replies 8 ·
Interleaving two convergent sequences preserves the limit
- matrix_204
- · Replies 3 ·
Find the equation of the hyperbola with centre at the origin
- blue_soda025
- · Replies 5 ·
What is the minimum radius for a safe and effective space station?
- LHS Students
- · Replies 8 ·
Proving integral of continuous non-negative f is positive when f(c) > 0
- stunner5000pt
- · Replies 8 ·
Claculate the final speed of a skier who skis down a hill
- lochs
- · Replies 7 ·
Can u simplify this further? (25-x) / (-25-x)
- punjabi_monster
- · Replies 3 ·
How Does Height Affect Blood Splatter Area in Experiments?
- Garret
- · Replies 2 ·
How tall must a plane mirror be to see your full reflection?
- Novus Dakota
- · Replies 2 ·
Calculate Resistance Needed to Reduce Current to 0.198 Amps in Series Circuit
- mgiddy911
- · Replies 2 ·
Two heaters in series: why can't I just add the power values?
- Winner
- · Replies 16 ·
Find the planet's mass from moon orbital period and radius
- the_d
- · Replies 2 ·
Vout Impact of Taking Current from Potential Divider
- Mo
- · Replies 13 ·
Definite Integral of ln*algebraic function
- maverick280857
- · Replies 21 ·