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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Horizontal circle inside a cone
- blazeuofa
- · Replies 1 ·
Sinking Can Boat: Debating the Rate of Water Flow
- tosse
- · Replies 1 ·
Find Flux through a Disk in Electrostatics Question
- Dell
- · Replies 5 ·
Solving Two 6.20 kg Blocks Connected by Pulley
- craig22
- · Replies 4 ·
What determines the brightness of bulbs?
- erinec
- · Replies 1 ·
A Magnetic Field Problem with a Triangular Loop
- Kudo Shinichi
- · Replies 6 ·
Water cooled/heated between 0 -4 C
- wakejosh
- · Replies 4 ·
Magnetic Fields and Current Loops
- Brit412
- · Replies 1 ·
Incorrect Thermometer Readings: What's the Boiling Point?
- newtonrulez
- · Replies 2 ·
Determing Acceleration, Tension
- Oijl
- · Replies 1 ·
Mercury & Water Flow in U-Tube: Determining the Length & Height
- ronald29
- · Replies 1 ·
Uncovering Resonance Frequency in Wine Glasses
- LachlanMc
- · Replies 3 ·
Help with Torque and Force Please
- o0ojeneeo0o
- · Replies 6 ·
What are their velocities in m/s after the collision?
- remaan
- · Replies 2 ·
Torque: Overhanging Books on Table
- mochigirl
- · Replies 4 ·
Force and work on a shopping cart
- aaronb
- · Replies 5 ·
How Does Angle of Incidence Affect Color Reflection in Soap Films?
- adc22
- · Replies 1 ·
Trying to figure out gravitational attraction between two objects.
- LuigiHomer
- · Replies 17 ·
Car rounds a flat road-friction forces
- Dannystu
- · Replies 4 ·
Solving Friction Problems: Calculating Distance and Time
- fball558
- · Replies 15 ·
Solving Tension of Cable Supporting 56kg Beam - kN
- o0ojeneeo0o
- · Replies 1 ·
Tension In musical strings and wavelength
- jrjay09
- · Replies 3 ·
What is the direction of the magnetic field at point P?
- ehilge
- · Replies 3 ·
Angle of Incline: A Basic Physics Question
- KayleighK
- · Replies 2 ·
Conservation of Energy ski-jump ramp
- lauriecherie
- · Replies 5 ·
Magnetic field of earth on airplane
- Brit412
- · Replies 2 ·
Unpolarized light and Polarizers
- hellogirl88
- · Replies 1 ·
Relationship between magnetism and electricity
- jawo3
- · Replies 1 ·
Concave mirror - finding object and image distance
- phys62
- · Replies 4 ·
Heat expansions using simultaneous equations.
- lagwagon555
- · Replies 3 ·
How Do You Calculate the Thermal Energy to Melt a Copper Bar?
- chameleon1
- · Replies 26 ·
Conservation of energy of an ice flake
- lauriecherie
- · Replies 1 ·
Two people in spaceshift shift seats
- diffusion
- · Replies 2 ·
Height, time, gravity acceleration
- gigglin_horse
- · Replies 1 ·
Calculating String Mass per Unit Length: Tension, Wave Speed, and Gravity
- gansta344u
- · Replies 4 ·
How Does Earth's Radius Influence Calculations in Magnetic Field Equations?
- Melqarthos
- · Replies 4 ·
How do I find the height of the image?
- phys62
- · Replies 1 ·
Simple Capacitors: 6.0uC Charge, 1.5V Source
- harvellt
- · Replies 1 ·
Mass and Kinetic Energy in Car A vs Car B
- rishabh_k
- · Replies 1 ·
Interference : GPS Transmission
- cupcake
- · Replies 32 ·
How Is the Force on the Boom Hinge Calculated in a Wrecking Ball Setup?
- anelmarx
- · Replies 1 ·
RC Circuit - Charge on Capacitor
- calvert11
- · Replies 5 ·
Pulley's-have test coming up soon-
- Dannystu
- · Replies 3 ·
2 Blocks Stacked, Pullied, Bottom Accelerating, Newton's 3rd
- myxomatosii
- · Replies 27 ·
Weight of copper hanging/submerged
- Mattc
- · Replies 5 ·
Someone please explain this physics concept
- eddy10188
- · Replies 3 ·
Circular Motion and angular speed
- dcangulo
- · Replies 1 ·
Momentum Conservation => EXPLOSION
- TwinGemini14
- · Replies 1 ·
Rotating surface/friction question
- xplosiv
- · Replies 1 ·
How to calculate work done using a graph
- Apple4ever
- · Replies 5 ·
Finding Earth's Mass Using Gauss Law
- bananasplit
- · Replies 2 ·
Finding Multiple Images in a Convex Spherical Mirror
- XBOX999
- · Replies 4 ·
Max Speed of a Porsche 944 Turbo - 113317.4 W
- tomboi03
- · Replies 3 ·
Reference Material Needed for Essay on Radioactive Decay
- knowlewj01
- · Replies 4 ·
Friction coefficient on a rotating cylinder [mechanics]
- albatross84
- · Replies 1 ·
Capacitor and resistor in parallel
- bp_psy
- · Replies 1 ·
Solving Spring Problems: Finding Total Force
- spaceshipone
- · Replies 6 ·
Dependent motion between 2 bodies to find velocity
- t_n_p
- · Replies 18 ·
The flow of charge inside a circuit.
- Yuqing
- · Replies 1 ·
Linear momentum- moving blocks and attatched spring
- rmunoz
- · Replies 3 ·
Don't know where to begin mag field question
- dewdrop714
- · Replies 4 ·
Determining force on an electron, possibly easy force problem(PLEASE HELP)
- unoriginal
- · Replies 3 ·
[Q] - Wave moving along a string
- Sheen91
- · Replies 4 ·
Static friction preventing block from sliding
- malta
- · Replies 6 ·
Maximum compression in a spring
- Knfoster
- · Replies 3 ·
Penny sits on top of a frictionless sphere, please
- malta
- · Replies 26 ·
What Angle Should a Sniper Adjust to Hit a Target 1000m Away?
- rogers236
- · Replies 5 ·
How Does Elastic Collision Work in Two Dimensions?
- Kitty808
- · Replies 3 ·
Solving Chain on Pulley: Find Velocity
- echao12
- · Replies 2 ·
Point mass gravitational problem
- nns91
- · Replies 3 ·
Capacitance in Parallel and in Series
- islandboy401
- · Replies 2 ·
Finding the force of magnetic field lines
- itsmarasilly
- · Replies 1 ·
Two wavelengths, max/min at same angle
- cashmoney805
- · Replies 4 ·
What is the average force exerted on a bouncing steel ball?
- Knfoster
- · Replies 8 ·
Temperature and volume physics problem
- M11
- · Replies 13 ·
How Does Kinetic Energy Affect Force in a 1D Atomic System?
- MaxManus
- · Replies 1 ·
Calculating Block Velocity and Bullet Speed in Collision | Physics Homework
- Knfoster
- · Replies 8 ·
Electric field of infinite plate
- Dell
- · Replies 9 ·
Field outside a solenoid on its axis
- DD31
- · Replies 2 ·
Rolling motion of a rigid body problem
- Minchi
- · Replies 2 ·
What Factors Influence the Re-entry of Apollo 13's Command Module?
- bheidkamp3
- · Replies 1 ·
Finding Magnitude induced EMF in Coil
- skaar
- · Replies 1 ·
What Is the Maximum Inclination Angle for Equilibrium of a Cut Square Plate?
- Ulti
- · Replies 9 ·
Two people jumping out of a boat in different directions - momentum problem
- wizzle
- · Replies 3 ·
Simple harmonic motion equation form
- sam1212
- · Replies 1 ·
Push a 22kg crate up a frictinless incline
- EmoryGirl
- · Replies 5 ·
How do you derive a Range prediction equation?
- genu
- · Replies 1 ·
Calc Kinetic Energy Lost in 8g Rubber Bullet Collision w/ 2.5kg Pendulum Bob
- mdwjun
- · Replies 1 ·
Can Friction Actually Speed Up an Object?
- jchojnac
- · Replies 1 ·
Projectile kinematics sticker for me
- triggerhorse
- · Replies 5 ·
Inelastic and elastic collision problems
- mdwjun
- · Replies 1 ·
Linera Expansion and heating from a stream of electrons
- TFM
- · Replies 17 ·
Maximum Stress on a wheel in motion
- Davieslad
- · Replies 1 ·
Confused on diffraction grating question
- dewdrop714
- · Replies 9 ·
Magnetic Field around a Bundle of Wires
- martellaj
- · Replies 2 ·
How Do You Calculate L and C in an RLC Circuit with Given Reactances?
- wayneinsane
- · Replies 5 ·
Solving Pendulum Question: Find Energy for Every Other Time Push
- kidsmoker
- · Replies 4 ·
Magnitude of the baseball's momentum?
- tnutty
- · Replies 5 ·
Finding ratio of 2 masses with acceleration
- unoriginal
- · Replies 3 ·
What is the axis and angle of rotation represented by this matrix?
- Gregg
- · Replies 6 ·