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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Graphical analysis of a spring mass system over a function of time
- freshcoast
- · Replies 5 ·
Inclined plane with friction and external force
- verhooverhoven
- · Replies 2 ·
Relative momentum, Rest Energy, Kinetic energy and speed of a proton
- cyugsi2
- · Replies 1 ·
How can conservation of energy be applied to solve a spring collision problem?
- freshcoast
- · Replies 2 ·
Why the speed of sound does not depend upon Pressure?
- kashan123999
- · Replies 6 ·
Torque and Angular Acceleration for a Rigid Body Problem
- Yosty22
- · Replies 3 ·
Extremely confusing dynamics question
- SecretSnow
- · Replies 2 ·
Inertia and Angular Acceleration
- CollegeStudent
- · Replies 3 ·
Kirchoff's Loop Rule-Direction of Current?
- al_famky
- · Replies 11 ·
Velocity of end points of rectangular frames
- Saitama
- · Replies 21 ·
Diffraction Problem, Calculate Slit Width
- TheRedDevil18
- · Replies 1 ·
Rotational motion problems involving radians
- lorkp
- · Replies 1 ·
Calculating Velocity Magnitude for Projectile Motion
- Suprin
- · Replies 7 ·
Rotational Motion Question with Work Energy Theorem
- Yosty22
- · Replies 2 ·
Electric potential at the center of two concentric shells
- judas_priest
- · Replies 5 ·
Angle of deviation general relativity, trigo
- Unicorn.
- · Replies 8 ·
Finding initial velocity given angle and horizontal displacement
- Suprin
- · Replies 6 ·
Equivalent Mutual Inductor Circuits
- anol1258
- · Replies 20 ·
Finding refractive index from Brewster's angle with polarizer
- Sswift
- · Replies 1 ·
Simple Harmonic Motion on a Uniform Meter Stick
- NathanLeduc1
- · Replies 3 ·
Refractive index experiment/finding error on graphs
- peanut111
- · Replies 5 ·
Equilibrium of systems in acccelerating frame
- serverxeon
- · Replies 1 ·
Ball from the ground lands on top of a building
- chris61986
- · Replies 6 ·
Does this horsepower for this car seem like the right value?
- rockchalk1312
- · Replies 1 ·
What is the Definition of Current?
- al_famky
- · Replies 5 ·
Work done on a load moved by a motor
- jeevankasin
- · Replies 3 ·
Does a rolling ball stay on the track going through a dip?
- freshcoast
- · Replies 23 ·
Biot Savart Law Calculation problems
- cherry_cat
- · Replies 1 ·
Position of proton and electron to create electric field
- cherry_cat
- · Replies 2 ·
Calculating the mass of the wheel on a pendulum on a watch
- NathanLeduc1
- · Replies 5 ·
Work done by force with vector components 4i + 2j - 3k N
- Jbreezy
- · Replies 3 ·
Centroid of a circular segment with the standard equation
- snurblet
- · Replies 2 ·
Finding the charges on capacitors in a circuit
- nameless912
- · Replies 7 ·
Resultant force at pivot for 1.6 m rod released from horizontal
- fkf
- · Replies 2 ·
Velocity Vector of Object After 4.1 s of Accel.
- Robertoalva
- · Replies 3 ·
A ball hanging by a string while I'm accelerating.
- aziiri
- · Replies 12 ·
Which nucleus reaches lowest speed when accelerated through a potential difference
- Nemo's
- · Replies 11 ·
Mechanics - Acceleration on an elliptical path
- Kaevan807
- · Replies 13 ·
Relativistic Kinematics conservation of energy
- zhillyz
- · Replies 11 ·
Finding x for a spring using energy equations
- cbasst
- · Replies 2 ·
Work done by electrostatic force
- x86
- · Replies 2 ·
Kinetic Energy after a Collision
- student34
- · Replies 11 ·
Smoothing of fullwave rectifying circuits
- bubakazouba
- · Replies 4 ·
Question regarding a double slit experiment
- Dongorgon
- · Replies 2 ·
Value of parallel capacitance necessary to achieve a Power F. of unity
- anol1258
- · Replies 6 ·
Should angular speed include a negative sign?
- fredrogers3
- · Replies 1 ·
Gravitational Potential Energy of a rocket
- mcnealymt
- · Replies 3 ·
Newton's Theory of Gravity: Calculating the Orbit of Our Solar System
- mcnealymt
- · Replies 4 ·
How to calculate the extension of a spring?
- abruzzi112
- · Replies 1 ·
Deriving decomposition of transverse acceleration
- philipfisher
- · Replies 3 ·
How Much Force Does a Lift Chain Apply to a Roller Coaster?
- smoothmar
- · Replies 3 ·
How Do You Analyze a Circuit with a Dependent Voltage Source?
- Questions999
- · Replies 2 ·
Can Millikan's Oil Drop Experiment Accurately Measure the Elementary Charge?
- silentcoder
- · Replies 4 ·
Two Satellites in Parallel Orbits
- LovePhys
- · Replies 7 ·
Radioactive decay of granite -> How many years does it take?
- Voltman123
- · Replies 10 ·
Electron in a magnetic field statements
- Saitama
- · Replies 3 ·
Kinetic Theory of Gases: Effusion and Collisions
- xatu
- · Replies 4 ·
Conservation of Momentum of a bomb shell
- heycoa
- · Replies 41 ·
Inelastic collision involving pulley
- issacnewton
- · Replies 4 ·
Electron in infinite well absorbing 1520 nm photon
- lilfinger
- · Replies 10 ·
Determine if unknown circuit element is inductor or capacitor from current change
- hyddro
- · Replies 12 ·
How far apart were the centres of the two tunnels?
- Voltman123
- · Replies 6 ·
Using Maxwell Boltzmann distribution to find number of atoms
- dinospamoni
- · Replies 1 ·
Index of Refraction of a lens+mirror
- Erubus
- · Replies 2 ·
Why Does RA Count Down During Retrograde Motion?
- Dustinsfl
- · Replies 7 ·
RC circuit charging: find capacitor charge when V_AB is 2.00 V
- mrshappy0
- · Replies 11 ·
Ellipsoid Equation for Object Motion?
- jclar1701d
- · Replies 1 ·
Gyroscopic Precession (Relationship with ωspin and ωprecession)
- ILoveZerg
- · Replies 1 ·
How to find potential difference between 2 parallel deflection plates
- firezap
- · Replies 4 ·
Power needed to overcome friction and gravity
- bungouk
- · Replies 5 ·
Electrostatics question, involving mass?
- hangingwire
- · Replies 2 ·
Finding power of water falling from 20m height
- besfort
- · Replies 3 ·
Block m₁ accelerates at 5.06 m/s² but answer is wrong
- Saitama
- · Replies 21 ·
Why Is the Input Resistance Equation Confusing?
- s3a
- · Replies 5 ·
What is the Difference Between Latent Heat and Specific Heat?
- Jbreezy
- · Replies 10 ·
Calculating Sphere Velocity on a Frictionless Ramp
- kotchenski
- · Replies 4 ·
Entery level Mass-energy equivalence questions
- letsfailsafe
- · Replies 5 ·
Train accelerating, coasting, and braking over three stages
- physicsguru97
- · Replies 13 ·
Why don't the ring velocities satisfy the inextensible string constraint?
- Saitama
- · Replies 12 ·
Finding the weight of the planck
- adjacent
- · Replies 8 ·
Can an electron change direction without a force acting on it?
- judas_priest
- · Replies 2 ·
How much mass will be converted to energy to accelerate the spaceship
- AyooNisto
- · Replies 10 ·
Three coupled pendula via springs
- CAF123
- · Replies 12 ·
Block on incline connected to hanging mass over pulley
- whitehorsey
- · Replies 1 ·
Calculating Force and Magnitude of Pulling 400kg Cart up Hill
- whitehorsey
- · Replies 4 ·
Finding spring constant and potential energy for a compressed plastic spring
- Bonana
- · Replies 2 ·
Finding the coefficient of friction on a ramp
- Mastevvs
- · Replies 3 ·
What is the Solution for Finding Velocity and Distance on a Water Slide?
- Clever_name
- · Replies 34 ·
Wave speed, freq, and period of wave on a string
- dinospamoni
- · Replies 3 ·
How Do You Apply the Parallel Axis Theorem to Calculate Moment of Inertia?
- freshcoast
- · Replies 11 ·
The time an object first passes a point in simple harmonic motine
- cyugsi2
- · Replies 4 ·
How can I Create a Virtual Slinky with Python or Excel?
- ultrapowerpie
- · Replies 7 ·
How do one-way mirrors work in stores?
- Silverbolt
- · Replies 1 ·
Energy generated by proton-proton cycle
- lovelyrwwr
- · Replies 3 ·
Difference between a solenoid and a stack of loops
- warrenchu000
- · Replies 4 ·
3 capacitors, a switch, and battery:simple configuration
- mrshappy0
- · Replies 8 ·
Graphical analysis of angular displace v time
- freshcoast
- · Replies 4 ·
Calculate Capacitance with Dielectrics
- screen1998
- · Replies 4 ·
Angular velocity when dropped wheel rotates opposite direction
- robertmatthew
- · Replies 5 ·