Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Sound wave function from pressure monitor data
- jwxie
- · Replies 4 ·
Cylinder on accelerating cart with hanging mass
- uriwolln
- · Replies 28 ·
Elastic collision of an alpha particla and Lead
- panders3
- · Replies 3 ·
Calculating Car Distances: Uncertainty in Car Gaps and Lengths
- 123webfkebf
- · Replies 4 ·
Resultant of thirty vectors of a polygon
- sadaf2605
- · Replies 2 ·
Resolution of Optical Instruments Question
- smoics
- · Replies 1 ·
What is the equivalent resistance across points a and b?
- Piyu
- · Replies 4 ·
Verifying V Graph and Acceleration Calculations
- Peter G.
- · Replies 2 ·
How is momentum conserved in an inelastic collision?
- II Ziv II
- · Replies 4 ·
Loop Currents for Circuits (using matrix)
- mneox
- · Replies 4 ·
How do inclined planes affect forces on an object?
- man0005
- · Replies 4 ·
Conservation of Momentum and the Spaceman's Return to His Craft
- MagikalGiant
- · Replies 2 ·
Skateboarder accelerating down a 13° ramp
- Ohoneo
- · Replies 1 ·
How Do You Calculate Capacitor C1's Value After Connection?
- Qwerty459
- · Replies 3 ·
Calculating Resistance: How Do You Determine Resistance in a Conductor?
- leon24
- · Replies 1 ·
Why does water stay in a cup when the cardboard is removed?
- Emlett
- · Replies 1 ·
What exactly produces fields? A question concerning Mechanics and Electrons
- flyingpig
- · Replies 4 ·
How Do You Calculate the Center of Mass for a Non-Uniform Rod?
- uriwolln
- · Replies 20 ·
Does Specific Heat Capacity Affect the Speed of Heat Transfer in Calorimeters?
- Pseudopro
- · Replies 3 ·
Two locomotives passing on a single track with one spur line
- chawki
- · Replies 16 ·
Charge and stored energy for capacitors
- nutmeg6
- · Replies 1 ·
How Do You Calculate the Acceleration of a 42kg Ice Block Sliding Down a Slope?
- dhymas
- · Replies 1 ·
Deriving the rate of change of the radius of a moving particle in a cyclotron.
- JHans
- · Replies 10 ·
Three blocks connected by strings
- chawki
- · Replies 7 ·
How Do You Calculate the Charge Between Two Points Given Voltage Difference?
- SilentBlade91
- · Replies 1 ·
Magnetic field at center of coil from induced current
- acidandroid
- · Replies 5 ·
Finding distance given only initial velocity
- mistabry
- · Replies 2 ·
Find the initial total charge stored
- thst1003
- · Replies 2 ·
How Does Modifying the Load Resistor Affect a Zener Diode Circuit?
- dancergirlie
- · Replies 14 ·
What is the focal length of the mirror?
- dorado29
- · Replies 1 ·
Effect of Sun Angle on Solar Flux and Weather: A Study on Earth's Surface
- irishbob
- · Replies 3 ·
Find Acceleration of a sliding object
- dhymas
- · Replies 7 ·
What Happens to the Current in an LR Circuit After the Switch is Opened?
- Abhishekdas
- · Replies 4 ·
Deriving the constructive interference equation for thin film reflection
- baileya
- · Replies 1 ·
What is the final temperature of the aluminum can after heating water?
- thereddevils
- · Replies 2 ·
Momentum Problem - Is it correct?
- AnomalyCoder
- · Replies 3 ·
Heat transfer problem (no solving needed, just need advice)
- williamx11373
- · Replies 2 ·
How Do You Calculate the Motion and Velocity of a Falling Object with Drag?
- keelejody
- · Replies 3 ·
Static Equilibrium: Proving Forces are Equal
- astr0
- · Replies 1 ·
Archer sliding backward firing an arrow using momentum conservation
- dandy9
- · Replies 1 ·
Physics - Electrostatic Force Question
- VitaX
- · Replies 15 ·
Is Work Done by External Forces Always Zero in Electrostatic Systems?
- saubhik
- · Replies 3 ·
Angle made by electric field lines
- bismita sahu
- · Replies 2 ·
Why Is B°dl Zero at Sections b and d Inside a Solenoid?
- member 217843
- · Replies 1 ·
Electric field at a point due to a subdivided object
- Kibbel
- · Replies 1 ·
Position as a function of position?
- asap9993
- · Replies 7 ·
How Do Capacitors Behave in Series and Parallel Configurations?
- Rblswimmer456
- · Replies 2 ·
What is the electric field at a point 4 cm from the axis of a cylindrical shell?
- pcml100
- · Replies 4 ·
Calculating Max Radius of Asteroid to Escape From
- Master J
- · Replies 7 ·
Generating a Resonance Curve for a System: A Puzzling Problem
- abcdmichelle
- · Replies 4 ·
Magnetic field loops and changing electric field in a circular region
- musicmar
- · Replies 6 ·
Maximum height of a football pass without launch angle
- Slizzardman
- · Replies 2 ·
How Is Force Calculated When a Student Hits a Dashboard?
- Oriako
- · Replies 31 ·
Do All Carts Need to Collide Simultaneously to Maintain Momentum Conservation?
- dandy9
- · Replies 1 ·
Current and power dissipation in two series bulbs with 12 V battery
- chawki
- · Replies 2 ·
Specific Heat of Ice and Copper
- liz_p88
- · Replies 1 ·
Find the kinetic energy of the system
- milkyway11
- · Replies 2 ·
Conservation of Momentum in Multiple-Person Jumping Scenario
- AlexChandler
- · Replies 6 ·
Inelastic collisions, springs and ramps
- AlkaPhys
- · Replies 4 ·
Force related to mass, acceleration and time
- Ohoneo
- · Replies 12 ·
How Does a Longer Crumple Zone Affect Impact Duration and Passenger Safety?
- milkyway11
- · Replies 2 ·
Where does the first minimum appear in a double slit experiment with neutrons?
- erok81
- · Replies 7 ·
Force from third rope in boat statics problem
- kenau_reveas
- · Replies 1 ·
Checking my work - Displacement
- kristy_vincen
- · Replies 3 ·
Quantum Mechanincs Infinite well
- benjy1
- · Replies 1 ·
Average Velocity of a particle moving in a circle over a given interval
- IAmPat
- · Replies 12 ·
Energy in infinite square well
- w3390
- · Replies 4 ·
Calculating Power Dissipation for a High Power Laser in Manufacturing
- akmphy
- · Replies 6 ·
Direction of static friction while rolling
- arunbg
- · Replies 13 ·
Maximum Safe Speed for Cars on Reverse Bank Angle Highway Curve
- jcook735
- · Replies 6 ·
Surveyor walks 5200m at 330° then 3000m at 180°, find displacement
- smittyj
- · Replies 6 ·
Conservation of linear momentum elastic string
- Kurokari
- · Replies 2 ·
How Fast Should Devita Release the Kite String?
- stressedgirl
- · Replies 1 ·
Total potential energy due to gravitational and electrostatic potential energy
- bobred
- · Replies 4 ·
Convergent Lenses: 2-Part Problem and Solution | Focal Point and Image Location
- DrMcDreamy
- · Replies 4 ·
Potential energy and energy conservation question
- Tastosis
- · Replies 7 ·
Two masses on an inclined plane
- bill.boars
- · Replies 6 ·
Calculating Diopters for Bifocals: What Power Should They Have?
- DrMcDreamy
- · Replies 2 ·
The domain of a composite function
- flashgordon
- · Replies 6 ·
How Does a Man Walking on a Merry-Go-Round Affect Its Motion?
- asafbuch
- · Replies 4 ·
Find the frequency of oscillation
- uriwolln
- · Replies 2 ·
Q. How can I solve this kinematics and projection problem?
- aurao2003
- · Replies 2 ·
Frequency of a rod pivoted at one end with springs at center and end
- uriwolln
- · Replies 2 ·
What is the lowest gravitational Bohr radius in terms of light years?
- annorax
- · Replies 2 ·
Gravitational field for 2 particles
- Symstar
- · Replies 2 ·
What is the current in each resistor and the power delivered by the battery?
- swar0175
- · Replies 1 ·
What does y = mx + b mean on a position-time graph?
- pdot
- · Replies 4 ·
Current and electric field strength question
- downwithsocks
- · Replies 5 ·
Block on an inclined plane, given mass and angle find acceleration
- dhymas
- · Replies 2 ·
How Do You Calculate Surface Charge Density Without Knowing Plate Dimensions?
- flyingpig
- · Replies 11 ·
Atwood Machine, weight of the string
- melvis
- · Replies 1 ·
Electric Fields and Gauss' Law with a Conducting Sphere
- soccersquirt8
- · Replies 3 ·
Calculating Time for Guys to Go from A to C in Cart
- aeromat
- · Replies 5 ·
Spring Constant and Compression Problem
- bbreezy
- · Replies 5 ·
Solving F = MA: Finding Force When Mass and Acceleration Are Given
- iliekpie
- · Replies 4 ·
How Do You Calculate Mechanical Energy Lost Due to Friction on a Slide?
- bbreezy
- · Replies 1 ·
2-d Kinematics (Need to verify solution)
- stressedgirl
- · Replies 16 ·
How can I solve this automobile physics problem involving a helium balloon?
- Hellsing834
- · Replies 2 ·
Calculating RMS Speed of Molecules in a Compressed Gas
- WolfeSieben
- · Replies 10 ·
Charged particle moving through an electric field
- TommyS123
- · Replies 7 ·