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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Term for mirror image sides shift
- Knightycloud
- · Replies 7 ·
Compression of a spring. Hooke's Law vs. Conservation of Energy
- thindelgado
- · Replies 5 ·
Work & Hooke's Law Homework: Find Speed of Mass at Equilibrium Position
- alingy1
- · Replies 2 ·
Practice Test- Box sliding down a slope
- ammcl30
- · Replies 9 ·
Derivative Method for Error in Kinetic Energy formula
- Shiz
- · Replies 1 ·
Period of a planet orbiting the Sun
- Jon.G
- · Replies 11 ·
Derivation of drift speed question
- astropi
- · Replies 5 ·
What is the solution for the Pulley System Problem?
- Rugile
- · Replies 4 ·
Can a Capacitor Be Used to Charge a Coil in a Magnetic Field?
- Queequeg
- · Replies 4 ·
Calculating Work Done on 7.1 kg Object
- Crush1986
- · Replies 2 ·
Finding x and y components of velocity?
- santoki
- · Replies 2 ·
Calculating Energy Dissipation in a Resistor with Closed Switches
- grekin
- · Replies 13 ·
Calculating Gasoline Consumption for Car Acceleration
- Crush1986
- · Replies 1 ·
When Is the Voltage Across an Inductor Maximum?
- zealeth
- · Replies 2 ·
When will two football players collide?
- rexorsist
- · Replies 3 ·
How to practice for physics assessment?
- Benzene_ring
- · Replies 1 ·
Comparing Hall Voltage of Bars 1 & 2
- bbuilder
- · Replies 1 ·
YDSE with two different mediums
- Saitama
- · Replies 13 ·
What Is the Period of Middle C on a Piano?
- MasterPnut
- · Replies 1 ·
Conservation of Momentum and Energy
- magnanimousto
- · Replies 8 ·
Equations for Apollo Spacecraft Orbital Velocity & Moon Escape Velocity
- tinal
- · Replies 2 ·
Efficiency - how to get the maximum efficiency in a circuit?
- alexmath
- · Replies 2 ·
Inelastic collisions - conservation of energy
- mintsnapple
- · Replies 3 ·
Magnitude of acceleration due to gravity
- Shadow236
- · Replies 3 ·
Charged ring, integrate for electric potential
- Loopas
- · Replies 6 ·
Why is the direction of temperature gradient important in thermal conductivity?
- Ronaldo95163
- · Replies 4 ·
Simple Projector (can you help me?)
- Moezeus
- · Replies 1 ·
Uncertainty Derivations/Calculation
- tmobilerocks
- · Replies 3 ·
Bar and spring oscillation problem
- slurd
- · Replies 19 ·
Angle between magnetic field B and velocity of charge
- ivanwho49
- · Replies 3 ·
Water/air trap pressure formula
- Calymi
- · Replies 3 ·
Engineering Statics - Moments problem
- yugeci
- · Replies 5 ·
Why doesn't my convex mirror reflection match the expected focal point?
- entropymill
- · Replies 3 ·
Understanding Diodes in a Circuit
- piisexactly3
- · Replies 7 ·
Normal tangential co-ordinates(ut,un)
- princejan7
- · Replies 1 ·
Finding the acceleration of an object
- EkosGothika
- · Replies 14 ·
How Do You Compare Resistance in a Carbon Resistor and an LED Using a V-I Graph?
- P1nkButt3rflys
- · Replies 3 ·
Practical - Finding the value of gravity
- actionreaction
- · Replies 6 ·
What are the steps to finding the angle and height for a tennis serve?
- physicshelpme
- · Replies 27 ·
A problem from conservation of energy
- dotrantrung
- · Replies 7 ·
Calculating Shock Absorber Energy Dissipation for Car Bounce
- narutoish
- · Replies 2 ·
Solving SHM of Cube Connected By Rubber Bands
- NATURE.M
- · Replies 12 ·
What Is the Current Amplification Ratio in a Bipolar Junction Transistor?
- TehBigBoss
- · Replies 3 ·
Terminology of electric flux density
- Miike012
- · Replies 1 ·
Solve Kirchhoff Problem: Find I1, I2, I3
- James.Garland
- · Replies 13 ·
Calculating E.M.F and Internal Resistance of a Cell in Series Circuit
- Scottie
- · Replies 2 ·
Converting from x-y to a-b coordinates-is this correct?
- annas425
- · Replies 1 ·
Change in Kinetic Energy for a Sliding Box
- greenglasses
- · Replies 7 ·
Work-Energy: Determining x- and y-components of wind force
- annas425
- · Replies 6 ·
Nonconstant Acceleration Problem
- Hydrinium.h2
- · Replies 3 ·
Calculate Resultant Displacement of a 4 Path Walk
- kaalaniz
- · Replies 12 ·
Circular Motion Dynamics. Car traveling in vertical circle
- Unix
- · Replies 5 ·
Finding quantity of energy stored in a spring
- Benzene_ring
- · Replies 7 ·
Relative Velocity, Aeroplane Problem
- TheRedDevil18
- · Replies 1 ·
Projectile Motion of a Man Problem
- TheRedDevil18
- · Replies 4 ·
Problem does not make sense km/h at m/s?
- physicshelpme
- · Replies 7 ·
Calculating Electron Deflection in CRT
- c0der
- · Replies 1 ·
Shear force and bending moment diagrams question
- theBEAST
- · Replies 1 ·
Waves MC Question - 2 strings, same tension, different μ
- whoareyou
- · Replies 2 ·
When is electric potential negative and when is it positive?
- mariya259
- · Replies 1 ·
Current through inductor as function of time
- Nick O
- · Replies 2 ·
Question about bistable multivibrator op amps
- theBEAST
- · Replies 1 ·
Find work done on an isobaric system
- Feodalherren
- · Replies 3 ·
How did they divide the equations ?
- aleksbooker
- · Replies 6 ·
Balloon Pressure Homework: Inside vs Outside Bottle & Balloon
- Jimmy87
- · Replies 18 ·
What is the role of ε in understanding latent heat?
- KiNGGeexD
- · Replies 1 ·
How Do You Calculate the Coefficient of Friction for a Slowing Truck?
- BrownBoi7
- · Replies 1 ·
What is the Effect of a Non-Inertial Frame on Motion?
- jdawg
- · Replies 4 ·
Calculating Impact Force and Distance Traveled in Two Car Collision
- Pomar1
- · Replies 1 ·
Total distance a car moves with two coefficients of friction?
- juicyfruit
- · Replies 5 ·
How Do You Determine Moments of a 3D Model?
- jeluu9
- · Replies 1 ·
[Magnetism] Tricky task on self-inductance of solenoid
- wetback
- · Replies 2 ·
Why Isn't the Energy Equation Ef=kx^2/2−mgx?
- user5
- · Replies 1 ·
How can the ball be released to give it maximum speed?
- stretch851
- · Replies 5 ·
Simple Harmonic Motion amplitude problem
- pondzo
- · Replies 3 ·
Falling Block Pulling Rolling Cylinder
- Bluestribute
- · Replies 5 ·
Thermal Equilibrium of a system
- Feodalherren
- · Replies 3 ·
What is the Final Potential Across the First Capacitor After Switch Closure?
- phantom85
- · Replies 6 ·
Solving a Physics Problem: FBD and Newton's 2nd Law
- c0der
- · Replies 8 ·
What is the Mass of the Block Placed on a Stiff Board in Static Equilibrium?
- whoareyou
- · Replies 5 ·
Power output of a hydroelectric plant
- Medgirl314
- · Replies 4 ·
Just a few questions - calculating the average speed and John's speed
- Elapsing
- · Replies 4 ·
Particle interact with antiparticle
- jaysonxng
- · Replies 3 ·
Plane EM wave in a vacuum, quick identity question
- binbagsss
- · Replies 5 ·
Electrical Science - LR Time Constant & Voltage Drops
- hopkid
- · Replies 2 ·
How Long Does a Call Travel via Satellite Between Quito and Belem?
- blue_lilly
- · Replies 2 ·
Calculating Static Frictional Force on an incline
- Shadow236
- · Replies 4 ·
Possible resistances using 3 resistors?
- carnivalcougar
- · Replies 16 ·
Calculating Power Output of a Car Accelerating from 0 to 27 m/s in 60 seconds
- Medgirl314
- · Replies 15 ·
True/False Questions about Capacitance
- P1nkButt3rflys
- · Replies 3 ·
Force Diagram, Position vs Time Plot: Construct, Calculate, Sketch
- BrownBoi7
- · Replies 2 ·
Fall Speed Based on Angle: 0°, 45°, 90°
- adjacent
- · Replies 49 ·
Calculating Final Speed of a Crate on a Ramp with Initial Velocity of 0.6 m/s
- hanzlikm
- · Replies 4 ·
How Do Ions Achieve Their Velocity in a Mass Spectrometer?
- Emspak
- · Replies 3 ·
Single Degree-of-Freedom Problem
- aminbpy
- · Replies 2 ·
Single Degree-of-Freedom Systems
- aminbpy
- · Replies 1 ·
Ideal Batteries' Internal Resistance
- LowerMammal
- · Replies 2 ·
Why Is Tension T=2mg and Not T=mg at Time t=τ?
- user5
- · Replies 2 ·
Finding the Transferred Energy for a Block Sliding Down a Ramp
- greenglasses
- · Replies 3 ·