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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Measuring distances with diffraction experiment
- MrEinstein
- · Replies 4 ·
What Factors Affect the Natural Frequency of a Wineglass?
- 06mangro
- · Replies 1 ·
How Do You Solve Electric Circuit Problems with Multiple Voltage Sources?
- alexmath
- · Replies 3 ·
Moment calculation on angled axis and free vectors
- jonjacson
- · Replies 8 ·
What Is the Electric Field Produced by a Uniform Line Charge on the x-axis?
- Colts
- · Replies 7 ·
Coefficient of friction for connected masses on inclined plane with pulley
- bates.384
- · Replies 1 ·
How Do You Calculate Entropy Change in Thermodynamics Problems?
- physninj
- · Replies 6 ·
Refractive index of different colors
- MrEinstein
- · Replies 4 ·
How Fast Does Water Cool in a Polystyrene Box?
- Undefeated
- · Replies 4 ·
Find wavelength, Phase Difference, and amplitude from min and max
- rocapp
- · Replies 30 ·
Truss - ned someone to look through my calculations.
- kaffekjele
- · Replies 9 ·
Relative population density of stars and galaxies
- thornluke
- · Replies 6 ·
Calculating changes in stored energy of a capacitor
- Pinedas42
- · Replies 1 ·
How Far Does a Baseball Travel with Zero Acceleration?
- e=mcahhhh
- · Replies 5 ·
How Does A.H. Pfund's Method Determine the Refractive Index of Glass?
- deltafee
- · Replies 1 ·
Wave function at origin on transverse wave
- Saxby
- · Replies 3 ·
Calculation of the velocity of a Spaceship moving Relativistically
- Owen-
- · Replies 4 ·
Energy transfer between two coupled masses
- BareFootKing
- · Replies 1 ·
Optimal Flight Path for Eastward Destination with Wind Speed and Direction
- CollegeStudent
- · Replies 2 ·
How Is Deuteron Kinetic Energy Related to Plasma Temperature in Nuclear Fusion?
- jensgt
- · Replies 3 ·
Challenging High School Planetary Mechanics Problem
- forcefrom
- · Replies 5 ·
Momentum Theory question Gr.12
- elmosworld403
- · Replies 1 ·
Find the Exit Temperature of the Air in the Compressor
- Northbysouth
- · Replies 1 ·
Does wave speed on a spring depend on tension and pulse size?
- ksuh
- · Replies 1 ·
How Do You Determine Position as a Function of Time from Acceleration?
- MotoPayton
- · Replies 12 ·
Matter wave - relationship between broglie wavelength, wavelength
- Deathnote777
- · Replies 8 ·
FBD representing a bird feeder.
- physicsdude123
- · Replies 1 ·
Fourier Series Convergence for Square Wave Function
- izen
- · Replies 15 ·
How far away from its location when the string breaks
- riggi91
- · Replies 2 ·
Elastic Collision Between Two Masses
- derravaragh
- · Replies 2 ·
Work done on ideal gas: isothermal, adiabatic, isobaric compression
- icelated
- · Replies 2 ·
Find the Mass Flow Rate Through the Nozzle
- Northbysouth
- · Replies 2 ·
How Fast Can an Insect Travel on a CD Without Slipping Off?
- Inferior Mind
- · Replies 1 ·
What is the equivalent resistance of this circuit?
- Saitama
- · Replies 30 ·
Finding acceleration and tension using Newton's laws
- Mangoes
- · Replies 2 ·
Potential energy( electron moving away form proton)
- whynot314
- · Replies 3 ·
Double Check My Answers: Calculating Projectile Motion with Initial Velocity
- silentcoder
- · Replies 9 ·
Calculating Charge in a Concentric Spherical Region
- Pruddy
- · Replies 11 ·
Center of Mass with Circle that has a Cut Out
- SerhanFT9
- · Replies 1 ·
How Does the Incline Plane Affect Potential Energy in a Two-Mass System?
- Larrytsai
- · Replies 8 ·
How Does Accretion Impact Galaxy Formation According to the IMF?
- astrofunk21
- · Replies 1 ·
Relative velocity of river flowing
- Toranc3
- · Replies 4 ·
How Fast Do the Spheres Move When Far Apart?
- asheik234
- · Replies 4 ·
Uniform circular motion with constant upward velocity.
- Toranc3
- · Replies 8 ·
What is the Vertical Velocity of a Rope Sliding off a Peg?
- NewbieofPhysic
- · Replies 2 ·
Non-flow process with steam (Constant Pressure) Part II
- freshbox
- · Replies 9 ·
How to Find the Y Component of the Electric Field Ey?
- Triathlete
- · Replies 4 ·
Car and truck velocity question
- vicsic
- · Replies 5 ·
Intensity through each power source
- alexmath
- · Replies 3 ·
Particle in plane, find position vector
- jklops686
- · Replies 4 ·
Projectile Motion: Solving for Velocity Components | Tower Launch
- jklops686
- · Replies 8 ·
Kinematics, Newton's Laws, Fun With Engineers
- tri5
- · Replies 8 ·
If you toss a tennis ball straight upward, shouldn't there be in horiz
- cmkc109
- · Replies 9 ·
Fluid Mechanics: Compressible Fluids, density function
- runningninja
- · Replies 4 ·
Ranking Voltages and Currents in a Circuit with 1 Capacitor
- orangefruit
- · Replies 1 ·
Determining charge from electric potential
- rmcgovern
- · Replies 2 ·
Non-flow process with steam (Constant Pressure)
- freshbox
- · Replies 42 ·
Task with spring, energy, velocity and angle
- DrOnline
- · Replies 4 ·
Why does the incline friction calculation give μ = 0.466?
- hoges
- · Replies 2 ·
Calculate moment of a special wrench
- jonjacson
- · Replies 2 ·
Flux due to infinite long wires
- Saitama
- · Replies 42 ·
Applying Newton's laws to find forces
- Mangoes
- · Replies 8 ·
Optics - Refraction and a transparent sphere
- Saitama
- · Replies 17 ·
Using entry level physics to calculate minimum velocity required.
- QuickSkope
- · Replies 7 ·
Deriving an expression from geometry
- Levi Tate
- · Replies 3 ·
How Do You Calculate the Final Speed of a Rocket Car on an Inclined Ramp?
- canucks81
- · Replies 6 ·
What Angle Does the Rocket Appear to Move at After the Second Stage Ignites?
- student34
- · Replies 2 ·
Circuit with 2 batteries and 6 resistors
- riane
- · Replies 6 ·
Circuits with two voltage sources
- Chaso
- · Replies 24 ·
What is the average drag force on a softball pitched at 99.6 km/hr?
- kopinator
- · Replies 5 ·
Equivalent electrical resistance
- TheDoctor46
- · Replies 6 ·
How Do You Solve Spring and Force Calculations in Physics?
- daveyboy157
- · Replies 3 ·
Calculating Period of Rotation for Mars-Bound Weight at 3.8 m/s2
- HKfish
- · Replies 1 ·
Velocity in relation to position
- destinc
- · Replies 3 ·
Deriving x(t) from work-energy theorem
- autodidude
- · Replies 2 ·
Energy of a block on a frictionless ramp
- geena_booboo
- · Replies 4 ·
Projectile Motion - confirmation on answer(s) needed
- Element1674
- · Replies 1 ·
Force on air column in a solar updraft tower
- Anoonumos
- · Replies 1 ·
Calculate forces on beam with hook
- kaffekjele
- · Replies 5 ·
FBDs for Box and Magnet Lifting by a Rope Attached to Ceiling
- cmkc109
- · Replies 6 ·
Finding the Tension in terms of weight and the angle of incline
- Yosty22
- · Replies 7 ·
Problems from statistical mechanics
- Nouf
- · Replies 4 ·
How Do You Calculate the Total Distance Traveled by a Car with Changing Speeds?
- Gewitter_05
- · Replies 1 ·
Lens Object Screen Problem: Finding the Focal Length and Image Distance
- Saxby
- · Replies 2 ·
Work done by E field to move electron from negative plate to postive.
- whynot314
- · Replies 3 ·
Four 100 kg people are holding a 1200 kg inflated balloon
- blueberryfive
- · Replies 6 ·
Linear acceleration with letters instead of numbers
- Woolyabyss
- · Replies 6 ·
Adding the vectors ijk notation
- CollegeStudent
- · Replies 2 ·
Thin rod symbolic questions based on Image.
- Christian121
- · Replies 4 ·
Finding member forces in truss ABC with horizontal load at C
- dreamliner
- · Replies 5 ·
Are There Deficiencies in Newton's Laws?
- Questions999
- · Replies 2 ·
Different equations for Electric Energy, me understand
- Armand1
- · Replies 3 ·
Conservation of energy in standing wave
- Saxby
- · Replies 2 ·
Centripetal force and acceleration for circular motion
- Questions999
- · Replies 6 ·
Total energy stored in the electric fields, exess energy
- Vaidotas151
- · Replies 1 ·
Solve Kirchoff's Problem: Find Current Across Resistor Network
- Pork5
- · Replies 3 ·
Kinetic energy gain from potential difference with different mass and charge
- asheik234
- · Replies 7 ·
Determine the potential energy of the configuration
- Pruddy
- · Replies 9 ·
Block sliding down ramp with friction, finding exit speed
- racecar12
- · Replies 12 ·
Calculating Centrifugal Force for a Bug on a Spinning Compact Disc
- Robertoalva
- · Replies 9 ·