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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Connections between Linear and Rotational Quantities
- Soniteflash
- · Replies 7 ·
Quick lens problem, is f positive or negative
- grandpa2390
- · Replies 15 ·
Faraday's and Lenz's Law - square coil
- cseil
- · Replies 1 ·
Heat energy dissipated from moving box with friction
- Pete Panopoulos
- · Replies 3 ·
Unknown value of added resistor in parallel
- grantaere
- · Replies 4 ·
Finding Focus Length in Broken Double Convex Lens
- Prashasti
- · Replies 2 ·
Egg drop project landing module
- Firestorm
- · Replies 5 ·
Angular velocity, torque and work
- V711
- · Replies 48 ·
Could someone me out ? grade 11 physics ?
- xxt
- · Replies 3 ·
How Does Adding a Resistor Affect Thevenin Equivalents?
- LongApple
- · Replies 6 ·
Balancing two rollers on a hill
- rasen58
- · Replies 2 ·
Understanding the Velocity and Acceleration of Blocks Linked by Multiple Pulleys
- terryds
- · Replies 18 ·
What's the car's acceleration at specific point?
- Ben B.
- · Replies 10 ·
What is the angular momentum of a rotating disk and how do you calculate it?
- JSmithDawg
- · Replies 1 ·
From rotational KE to translational displacement
- Ravenalia
- · Replies 1 ·
Stone being tossed from mountain Uni Physics with Calc
- jonathanlv7
- · Replies 14 ·
Introductory Torque Statics Problem
- JSmithDawg
- · Replies 1 ·
How to find final kinetic energy for a charged particle
- Dana Fishel
- · Replies 1 ·
Coefficient of Friction from only time given
- Brynhildur
- · Replies 8 ·
Dimensions of Parallel Plate Capacitors
- David Truong
- · Replies 3 ·
Setting up an LRC series circuit with coupled coils
- J_M_R
- · Replies 1 ·
What Is the Tension in the Rope When a Railroad Car Accelerates?
- litz057
- · Replies 15 ·
Which Force Achieves Rotational Equilibrium for a Pivoted Bar?
- Soniteflash
- · Replies 1 ·
Find Magnitude & Direction of q1, q2 & q3 Forces
- PattyCake
- · Replies 13 ·
What Is the Correct Direction of Normal Force in a Stick-in-Well Scenario?
- terryds
- · Replies 6 ·
Fiona's Skateboard Ramp Ride: Solving v^2 Equation
- miles johnstone
- · Replies 2 ·
Conservation of Momentum and Relative Velocities
- henry3369
- · Replies 1 ·
Finding acceleration of a skier on parabola
- Raghav Gupta
- · Replies 9 ·
Conservation of Momentum of a plate
- henry3369
- · Replies 1 ·
Assumption about Projectile Motion in this Question
- RJLiberator
- · Replies 24 ·
Perpendicular Component of Vector A in the Plane of A and B
- Foehammer
- · Replies 5 ·
Problem on a mass-spring system
- arpon
- · Replies 7 ·
Ball sliding on 3d-inclined plane
- terryds
- · Replies 1 ·
Find Theta & Mass of Box Using Forces & Pulleys
- Max0007
- · Replies 21 ·
How Do You Calculate the Electric Field from a Charged Cone?
- I-aM-Lost
- · Replies 9 ·
Relationship between electric field and potential
- vysero
- · Replies 8 ·
Velocity vector displacement problem
- Toon
- · Replies 9 ·
How to find the magnitude of a point charge given 2 others?
- shqiptargirl
- · Replies 6 ·
Solving Compound Microscope Lens Length Problem
- premed_love
- · Replies 2 ·
When do vcm=rw and a=gsintheta/(1+I/(MR)^2) apply?
- fangrz
- · Replies 2 ·
Direction of Electric Force in a E. Field?
- K.z_z
- · Replies 1 ·
High school physics problem involving a spring slingshot
- Kailford
- · Replies 3 ·
Find force so that the mass does not move
- Calpalned
- · Replies 2 ·
Understanding the Effective Spring Constant
- Foopyblue
- · Replies 22 ·
Finding the electric field at point p in this formation?
- shqiptargirl
- · Replies 10 ·
How can the period of oscillation be determined using energy considerations?
- MFAHH
- · Replies 3 ·
Deriving the Point Image Equation for a Spherical Interface
- 1bigman
- · Replies 10 ·
What force should be applied on a tile?
- zade70
- · Replies 4 ·
Understanding Parabola: Investigating a Trajectory Lab
- asadpasat
- · Replies 13 ·
Finding the Unknown Resistance Value
- Lamp Guy
- · Replies 9 ·
Angular Momentum weird scenario
- PhysicsKid703
- · Replies 1 ·
Gravity on the height of 12740 km ?
- Amar
- · Replies 6 ·
Magnetic field of hollow cylinder
- whatisreality
- · Replies 12 ·
Find the velocity of an object to become a satellite of Eart
- zade70
- · Replies 2 ·
Thermodynamics cycles quick question
- Jaydude
- · Replies 3 ·
Calculating the Depth for 1 atm Gauge Pressure in Fresh Water
- rasen58
- · Replies 2 ·
What is the Likelihood of a Feeder Cord Breaking?
- kaspis245
- · Replies 3 ·
Electron traveling between two plates. Electric Fields?
- MaryCate22
- · Replies 5 ·
Calculating Coefficient of Friction for a Crate on an Inclined Surface
- kaspis245
- · Replies 2 ·
Frequency of Moving Sound Source
- whatisreality
- · Replies 11 ·
Moment Of Inertia Of Non-uniform Rod
- BOAS
- · Replies 7 ·
Minimum force to keep small cube from sliding on large cube
- kaspis245
- · Replies 13 ·
The title could be How to Calculate Speed and Velocity in a Bouncing Experiment?
- miles johnstone
- · Replies 4 ·
Cylinders rolling down without slipping
- terryds
- · Replies 8 ·
Tension in string in system with multiple objects?
- jb007
- · Replies 6 ·
Charged particle accelerates in an electric field?
- MaryCate22
- · Replies 4 ·
Finding Angular Velocity and Center of Mass Velocity for a Free Rotating Rod
- physicsisgreat
- · Replies 7 ·
Objects in Mirror closer than appear Concave or Convex
- grandpa2390
- · Replies 3 ·
Is momentum conserved when a spring is pressed?
- terryds
- · Replies 12 ·
Do I understand these two formulas on interference?
- grandpa2390
- · Replies 1 ·
Pressure/Temperature mechanical equilibrium
- AKJ1
- · Replies 6 ·
Two parallel wires carrying currents in the same direction.
- David Truong
- · Replies 2 ·
Determine its escape velocity in miles/s?
- Math10
- · Replies 1 ·
Finding the Median Volume of a Sample in Chemistry Lab
- Drakkith
- · Replies 2 ·
How Much N2O4 Dissociates Upon Vaporization?
- SPhy
- · Replies 7 ·
Frame rate of a video: Calculating velocity of liquid
- Fizz1cks
- · Replies 4 ·
EMF and Peak Voltage of a Generator
- David Truong
- · Replies 2 ·
What is the average force on the wall?
- zade70
- · Replies 1 ·
Tunnel Through Earth: Particle Motion Facts
- erisedk
- · Replies 2 ·
Collision Problem: Find Height & Heat Released
- Xsnac
- · Replies 5 ·
Pulley suspending two different masses lifted upwards
- Sabatie
- · Replies 3 ·
Negative Work Explained for Chris
- SkyrimKhajiit
- · Replies 4 ·
Blocks attached with spring is released from rest
- lavankohsa
- · Replies 3 ·
How to find the total dB of two sounds?
- Summer95
- · Replies 4 ·
The average velocity of the point - numerical value of t
- Poetria
- · Replies 4 ·
What is the weight of block D in this equilibrium of particles problem?
- hdp12
- · Replies 5 ·
Calculating Charge on a Spherical Surface with Varying Density
- BOAS
- · Replies 2 ·
Capacitors and charge on them Question
- Dhruv Rawat
- · Replies 1 ·
The time span for which insect can see its image?
- sylwesh98
- · Replies 9 ·
Optimizing Skate Velocity: Static vs. Kinetic Friction
- Poetria
- · Replies 5 ·
Car starting to move, friction and forces
- Karol
- · Replies 24 ·
Max Height of Water in a Container with 0.1mm Hole: Solving h
- erisedk
- · Replies 17 ·
Centripetal Acceleration of rocket car
- _N3WTON_
- · Replies 7 ·
Electric Field of Point Charges in Equilateral Triangle
- END
- · Replies 3 ·
How does the separation between block and spring affect the time period?
- AdityaDev
- · Replies 7 ·
Time to rotate system 20 degrees
- D.B0004
- · Replies 6 ·
Phase space diagram for a spring in simple harmonic motion
- Yosty22
- · Replies 1 ·
Potential energy of an arrangement of point charges
- acdurbin953
- · Replies 1 ·
How do similar triangles help determine the visible area in a plane mirror?
- Wing2015
- · Replies 3 ·
Charge of q5 in Electric Field Map with q4 and q6
- END
- · Replies 4 ·