Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Help with Calculating Young's Modulus Using Data
- ayaanle
- · Replies 1 ·
Centripetal and Tangential Acceleration of drill bit
- invadertak
- · Replies 1 ·
Is This a Case of Inelastic Collision?
- jemerlia
- · Replies 1 ·
Formula for the velocity of the centripetal force
- rahmatkat
- · Replies 3 ·
Looking at diffraction gratings .
- qazxsw11111
- · Replies 1 ·
Solve Boat, Seagull & Speeder Problems: Acceleration, Speed & Time
- w0lv3121n3
- · Replies 3 ·
Circuit: current value in generator
- saritche
- · Replies 1 ·
Conceptual Doppler Effect question
- jgens
- · Replies 2 ·
Angular frequency, phase velocity, and period
- jakey
- · Replies 2 ·
Doppler Effect ambulance speed Question
- Sheen91
- · Replies 2 ·
Solving for p: Finding Distance from Convex Lens
- Nano
- · Replies 5 ·
What is the drift speed of Na+ ions while the current flows?
- Dopefish1337
- · Replies 3 ·
Can a Hunter Resolve Two Squirrels 10 cm Apart at 1.6 km Without a Scope?
- DMOC
- · Replies 3 ·
Relationship between Temperature and Resistance in a Series Circuit
- roxychc43
- · Replies 2 ·
Find the force on the cable, beam, and pole
- Joe91090
- · Replies 18 ·
Finding potential difference to accelerate the ion
- jheld
- · Replies 1 ·
Discharging a capacitor through a resistor
- callawee
- · Replies 2 ·
Newton's Laws Practice Problem: Finding Force on Book During Braking
- mp1019
- · Replies 2 ·
Newton III problem involving two objects in space
- angotta
- · Replies 5 ·
Tips for analyzing a combination circuit
- shemer77
- · Replies 2 ·
Motorcycle Rotational problems
- hellothere123
- · Replies 6 ·
Electrostatics - Compute the electric charge
- noobie!
- · Replies 2 ·
Calculating RC Time Constant: R1 or R1 & R2?
- phrygian
- · Replies 6 ·
Solving Physics Homework: Throwing a Stone - 15yo Student, Aus
- juliany
- · Replies 4 ·
Rotational motion and angular displacement
- invadertak
- · Replies 2 ·
Dielectrics influence on series/parallel
- Dopefish1337
- · Replies 8 ·
Is Weight the Same as Force in Physics?
- DrDanger
- · Replies 6 ·
How Long Does a Dropped Package Take to Reach the Ground from a Hot Air Balloon?
- AlKaiser
- · Replies 8 ·
How Does Newton's Second Law Apply on an Inclined Plane?
- flatline4520
- · Replies 3 ·
Conservation of Angular Momentum and Uniform Rod
- peaceandlove
- · Replies 1 ·
Electric field inside hollow dielectric field
- -EquinoX-
- · Replies 1 ·
Torque on a charged particle moving in a circle in a uniform B field
- ganondorf29
- · Replies 1 ·
Complex apparent and real depth problemm
- pistonsfan321
- · Replies 1 ·
How Do You Calculate Projectile Motion with Forces in Multiple Directions?
- ch2kb0x
- · Replies 1 ·
Potential Difference b/w Sphere & Cond. Shell | Electrostats
- hellboydvd
- · Replies 1 ·
Rolling Pebbles & Wheels: Analyzing Motion
- anand
- · Replies 3 ·
What is the width of a wall seen from an opposing mirror?
- Aneadra
- · Replies 2 ·
How Long Did the Runner Accelerate to Finish the 1500m Race on Time?
- DallasStar
- · Replies 11 ·
Simple Harmonic Motion - oscillation b/w 2 stretched springs
- theneedtoknow
- · Replies 1 ·
Mass falling on a vertical spring
- bikerboi92
- · Replies 2 ·
Question about concave mirrors
- Aneadra
- · Replies 2 ·
The rate of current through a solenoid - clarification needed.
- Kruum
- · Replies 5 ·
Finding Tbeat for 2 waves of periods T1 and T2 using oscilloscope
- -EquinoX-
- · Replies 29 ·
Rotational Motion of a Cylinder
- shadowice
- · Replies 2 ·
Specific Heat Capacity? Calorimeter
- Daniel52947
- · Replies 5 ·
Finding induced emf of solenoid
- number14
- · Replies 7 ·
Magnetic field surrounding a long, straight wire.
- einsteinoid
- · Replies 5 ·
Static vs. Kinetic Friction: Why Does It Matter for Energy Conservation?
- nivek114
- · Replies 3 ·
Finding mass per unit length of a string
- whiterobot
- · Replies 3 ·
How Long Until a Pulsar Stops Rotating?
- shadowice
- · Replies 1 ·
Electric field density at the surface of a current carring wire
- cuttlefish
- · Replies 2 ·
Kinetic Friction with an upward shove
- lauriecherie
- · Replies 1 ·
Collisions and the Speed of Two Pucks
- bowbe
- · Replies 1 ·
Apparent Frequency (Doppler) Problem
- wallace13
- · Replies 4 ·
Flux through a loop of wire in a magnetic field.
- einsteinoid
- · Replies 3 ·
Sun-Earth System given center of mass
- disque
- · Replies 6 ·
How Do You Calculate Wave Properties and Tension in a String?
- tymartin
- · Replies 1 ·
Nichrome Resistor and Copper wire
- hime
- · Replies 1 ·
Potential Energy for magnetic dipole
- richard7893
- · Replies 1 ·
Calculating the Mass of a 500N Barbell Lifted 2.2m from the Floor
- nlsed
- · Replies 1 ·
How Does Pressure Affect Seawater Volume and Density in the Mariana Trench?
- physics_geek
- · Replies 3 ·
Change in Kinetic Energy as Block moves up Incline and starts from rest
- cll123
- · Replies 1 ·
Calculating Potential Difference in a Uniform Electric Field | Example Problem
- KillerZ
- · Replies 2 ·
What mass would be required to overcome static friction?
- Amber3046
- · Replies 2 ·
Free Body Diagram Help | Physics Homework Problem | Equilibrium Explanation
- okgo
- · Replies 1 ·
Shadow Height on Wall: 2.6m Light Source
- dblader
- · Replies 8 ·
What Determines the Position of Antinodes in Standing Waves?
- Nubs
- · Replies 1 ·
Momentum conservation question (answer provided)
- physics120
- · Replies 4 ·
Calculating Weight on an Incline
- Nick Leeson
- · Replies 3 ·
Calculating Potential Difference for Capacitor Heating of Water
- xswtxoj
- · Replies 7 ·
How far a block travels after sliding down a ramp
- Daedris
- · Replies 16 ·
What is the velocity of the thrown ball?
- physicsnewb7
- · Replies 4 ·
Accelerating Proton: Calculating Speed and Kinetic Energy
- wadesweatt
- · Replies 8 ·
Linear momentum and relative velocity
- 22steve
- · Replies 2 ·
Thermodynamics Entropy question
- physstudent1
- · Replies 6 ·
Has the Ball Passed Its Highest Point Based on Velocity Vector?
- ProRip
- · Replies 1 ·
How Do Forces and Torque Balance in a Ladder Problem with a Firefighter?
- vipertongn
- · Replies 1 ·
U-tube Mercury: Pressure and Height Calculations with Pumped Right Side
- completenoob
- · Replies 13 ·
Physics Extended Essay Topic Question
- protossadv
- · Replies 5 ·
Guass's law nonconducting plates
- jimbo71
- · Replies 3 ·
Motion problem - Shock drop ride
- 09jk
- · Replies 1 ·
Find Trip Time and Min Distance in a Pendulum Motion
- williamluffy
- · Replies 2 ·
Kinetic energy (Force and d(x))
- nlsed
- · Replies 1 ·
What is the acceleration of a mass on a moving wedge?
- bigevil
- · Replies 2 ·
What is the Approximate Torque on a Baseball Bat Held Horizontally?
- disque
- · Replies 1 ·
How Do These Equations Model Projectile Motion?
- Carl_M
- · Replies 3 ·
What Is the Minimum Force Needed to Move a Box on a Frictionless Board?
- lvelar
- · Replies 3 ·
Distance Homework: Find the Distance Travelled by Starship
- lvelar
- · Replies 3 ·
Radial component of linear acceleration
- Hotsuma
- · Replies 6 ·
Newton's 3rd law and its affect
- icecomet
- · Replies 2 ·
Circuits and resistors and batteries, oh my (a.k.a. I know nothing)
- rubytuesday
- · Replies 4 ·
Solve Photonic Absorption and Emission with Practice Problems | Exam Review
- fball558
- · Replies 7 ·
Electric Charges: Calculating Charge q for Ink Drops
- j88k
- · Replies 2 ·
Pulley/Rotational Torque Problem
- mastermike707
- · Replies 3 ·
What Is the Net Torque on a Uniform Beam?
- Hotsuma
- · Replies 2 ·
Calculating Minimum Horsepower for Moving a Mass at a Given Speed
- RileyAllen
- · Replies 3 ·
What is the coefficient of kinetic friction for a wood block on a spring?
- RileyAllen
- · Replies 2 ·
Help Reviewing for exam (continued)
- fball558
- · Replies 6 ·
Help review for exam (last question)
- fball558
- · Replies 5 ·
Easy Conservation of Energy (Skiing)
- TwinGemini14
- · Replies 1 ·