Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Magnetic Field at a point between two capacitors
- Renaldo
- · Replies 3 ·
How Do You Calculate the Stopping Distance of a Car Using Kinetic Friction?
- whatabootme
- · Replies 1 ·
Calculating Vertical Velocity of Propagating Waves in a String
- susdu
- · Replies 2 ·
Electrical Circuit Question - Integrating Amplifier
- GreenPrint
- · Replies 4 ·
Friction Force Calculation: 1500 kg Car on 4 Degree Incline
- julestux
- · Replies 8 ·
Applying Bernoulli's principle across a tube opening
- fobbz
- · Replies 1 ·
Mechanics Problem: Sliding Ring and Hoops on a Rough Surface
- BBAI BBAI
- · Replies 5 ·
How to find angle from angular velocity?
- Sneakatone
- · Replies 42 ·
An interferometer with two arms is constructed above
- fobbz
- · Replies 5 ·
Frequencies of standing wave in pipe
- susdu
- · Replies 4 ·
How Does a Fly Navigate Between Capacitor Plates?
- Saitama
- · Replies 37 ·
Vertical projectile motion with velocity at t=2s
- Taylor_1989
- · Replies 4 ·
Velocity of bungy jumper, very confusing?
- x86
- · Replies 5 ·
How Fast is the Motorcycle in This Doppler Effect Scenario?
- TheRedDevil18
- · Replies 8 ·
Physics - transformer / resistance question
- deedsy
- · Replies 4 ·
1D kinematics - finding g from time traveled
- swevener
- · Replies 2 ·
Disk on a Motion: Find the Coordinates of Point A at t= 4piR/v
- BBAI BBAI
- · Replies 3 ·
How Do You Calculate Buoyant Force on Submerged Ice?
- Jbreezy
- · Replies 10 ·
Finding currents and voltage in a multi-resistor circuit with current and voltage division
- Questions999
- · Replies 3 ·
How to Apply Kirchhoff's Laws to Find i and v in a Circuit?
- Questions999
- · Replies 1 ·
A Pretty Basic Work/Energy Question
- student34
- · Replies 2 ·
MATLAB code for a physics exercise solution
- erkant
- · Replies 16 ·
What is the focal length of the lens? given magnification and distance
- RedLego
- · Replies 1 ·
Interference and wave nature of light
- lovelyrwwr
- · Replies 3 ·
Cross product in cylindrical coordinates
- fishingspree2
- · Replies 5 ·
Given charge of uniform density. What is the electrical potential @?
- RedLego
- · Replies 2 ·
Moment of Inertia of a Changing System
- jcd2012
- · Replies 5 ·
What is the change in the proton's electric potential energy?
- RedLego
- · Replies 2 ·
Find watts from rotational kinetic energy
- Sneakatone
- · Replies 28 ·
Bernoulli/Continuity, Water flowing at different heights/radii
- mknob001
- · Replies 4 ·
Finding how many wooden beams needed for a 6-person raft
- TheKShaugh
- · Replies 3 ·
How to Determine Velocity and Maximum Compression of a Pendulum-Spring System
- silentcoder
- · Replies 6 ·
Calculating dA/dB ratio for horizontal log?
- rockchalk1312
- · Replies 4 ·
Cam Follower Reaction Forces in Accelerating Roller Cart
- DynamicDude
- · Replies 4 ·
Motor Torque required for 4 wheel drive electric car
- Sandesh_10
- · Replies 3 ·
Finding angular acceleration from RPM data
- Sneakatone
- · Replies 14 ·
Rolling without slipping down a hill
- IWuvTeTwis
- · Replies 9 ·
Projectiles colliding on a horizontal plane
- Woolyabyss
- · Replies 2 ·
Force of gravity on one object caused by four objects
- drdude24
- · Replies 3 ·
Moment of Inertia of a Rod with Two Uniform Masses Attached
- jcd2012
- · Replies 2 ·
State what will happen when a positive particle has an initial velocit
- dannie
- · Replies 3 ·
Finding Vector potential due to an infinite cylinder?
- BeerScience
- · Replies 7 ·
Conservation of energy of object rolling down incline
- Raziel2701
- · Replies 13 ·
Finding potential between points A and B with Kirchhoff's law
- Questions999
- · Replies 8 ·
Graphene, why is it so strong, electrically conductive and flexible ?
- JakeEToth
- · Replies 1 ·
What is the relation of sinθ and time in projectile motion with angle
- xunok123
- · Replies 3 ·
Two springs one trolley, find velocity
- coconut62
- · Replies 2 ·
Work done when kicking a soccer ball
- alingy1
- · Replies 3 ·
How Do You Calculate the Intensity of an Electromagnetic Wave?
- RRiley99
- · Replies 1 ·
Does equal electric field imply equal potential?
- fishingspree2
- · Replies 5 ·
Calculating stress, strain and Young's modulus?
- rockchalk1312
- · Replies 2 ·
Minimum velocity at bottom of pendulum
- deep838
- · Replies 10 ·
Coasting up a driveway with snow - cons. of energy
- totallyclone
- · Replies 10 ·
Maple plot error with rational function definition
- mxotoni
- · Replies 1 ·
Finding altitude and period of satellite with orbital speed 7.45 km/s
- x86
- · Replies 6 ·
Magnetic field from two parallel current-carrying conductors
- physics=world
- · Replies 9 ·
Finding parallel resistance of an RLC circuit at resonance from V
- MeMoses
- · Replies 1 ·
Coefficient of friction for a sliding 15 kg box
- luxford
- · Replies 5 ·
E field for an semi-infinite sheet of charge
- fishingspree2
- · Replies 3 ·
Time taken to travel to the andromeda galaxy, oserved from earth
- romanawgarlic
- · Replies 6 ·
Energy loss when connecting two capacitors in parallel
- Jonnyto
- · Replies 8 ·
What is the correct moment of inertia for part a using I=m*r^2?
- Sneakatone
- · Replies 7 ·
How Does Pendulum Angle Affect Velocity?
- CollegeStudent
- · Replies 12 ·
Angular velocity concept question
- idllotsaroms
- · Replies 1 ·
Determining smallest possible diameter of a cable
- kaffekjele
- · Replies 4 ·
4 sides of the wire can produce a B-field
- clovergogo
- · Replies 1 ·
How Does a Dielectric Affect Energy Stored in a Capacitor?
- Roodles01
- · Replies 1 ·
Determining the Handedness of Circular Polarized Waves
- mrshappy0
- · Replies 3 ·
How Does Elevator Acceleration Affect Spring Extension?
- nubshat
- · Replies 5 ·
Does the load on a transformer affect its efficiency?
- Quadratic64
- · Replies 3 ·
Where does the 0.08 value come from in force calculation from momentum?
- coconut62
- · Replies 2 ·
Problem on photoelectric effect
- issacnewton
- · Replies 2 ·
How Can Momentum and Simple Machines Crush a Juice Box?
- begginner
- · Replies 3 ·
Long straight wire: Ampere/Biot Savart
- Roodles01
- · Replies 2 ·
Determine the total force on a dam
- Firben
- · Replies 13 ·
Calculating Magnetic Field for a Circular Wire with Given Parameters
- riken9
- · Replies 5 ·
Maximum velocity of object dropped from cliff
- Jigen
- · Replies 3 ·
Time it takes for a RC circuit to fully charge
- mathnoobie
- · Replies 1 ·
Magnetic Forces on Moving Charges True or False
- devilaudy
- · Replies 4 ·
Change In Gravitational Energy Percent Error
- Plutonium88
- · Replies 10 ·
3 Equal Charges in Equilateral Triangle - Find KE @ Inf
- trixxstyle
- · Replies 2 ·
Low altitude satellites orbiting around planet with twice radius
- totallyclone
- · Replies 6 ·
What Is the Minimum Diameter for a 600kV DC Transmission Line with 2% Loss?
- colink96
- · Replies 3 ·
Calculating total energy carried by a ripple
- sluo
- · Replies 8 ·
Classical Probability with a falling ball problem
- dweeegs
- · Replies 1 ·
Find distance when slipping down the roof of a sky dome stadium
- totallyclone
- · Replies 2 ·
Conservation of Angular Momentum of Bug Problem
- tylertwh
- · Replies 11 ·
Resolution for a lens from a diffraction standpoint
- rm_girl
- · Replies 7 ·
Possible to find the direction of magnetic force if angle isn't 90?
- Arooj
- · Replies 1 ·
Get the Best Physics Final Exam Help with Comprehensive Study Guides"
- laneybaney
- · Replies 2 ·
When a bird flies into a bar; solving for angular velocity
- tylertwh
- · Replies 1 ·
A bullet hits a rod; find the angular velocity
- tylertwh
- · Replies 7 ·
Find the current flowing through resistor
- dinospamoni
- · Replies 3 ·
Electromagnetism direction rule
- Jabababa
- · Replies 1 ·
Bug Jumps off a rod; what is the angular velocity of the rod
- tylertwh
- · Replies 11 ·
How Does Electric Potential Affect Proton Movement?
- CheetoFang
- · Replies 1 ·
Do Braking Distances Prevent a Collision in This Scenario?
- limonade
- · Replies 2 ·
Finding angular acceleration from deceleration
- Sneakatone
- · Replies 2 ·
How Do You Calculate the Spring Constant in a Frictionless System?
- CollegeStudent
- · Replies 13 ·
Height of a fluid in a small tube
- Ampere
- · Replies 8 ·