Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Tension in string of objects connected question :o
- magiclink
- · Replies 9 ·
Triangle plane surface 2m base and 3 height
- manal950
- · Replies 9 ·
Classical thermodynamics problem
- spaghetti3451
- · Replies 2 ·
Why wire experiences force in magnetic field, when net charge is zero.
- ZedCar
- · Replies 7 ·
Finding the Coefficient of Friction for a Homogeneous Cube in Static Equilibrium
- matematikuvol
- · Replies 5 ·
Suspending a Weight with 3 Cords: A Puzzle
- fisselt
- · Replies 4 ·
Disk rolling down a hill with no sliping
- dislect
- · Replies 14 ·
How can i get an initial speed without acceleration or time?
- physical..O.o
- · Replies 10 ·
Time Dilation at very slow speeds.
- bayan
- · Replies 5 ·
Where Does the Vector Come to Rest Given u and a?
- thunderflap
- · Replies 2 ·
Relationship between Kinetic Energy and Linear Momentum.
- AHUGEMUSHROOM
- · Replies 2 ·
Buoyany and change in volume underwater
- sweetpete28
- · Replies 3 ·
Work and Energy (snowmobile up- vs. downhill)
- Slickepot
- · Replies 2 ·
Kinematics problem - struggling with my calculus
- Femme_physics
- · Replies 8 ·
Conservation of Energy Problem with spring
- JacksonL
- · Replies 6 ·
Density of Block Submerged into Swimming Pool
- sweetpete28
- · Replies 10 ·
Ray entering optical fiber at 51° incident angle
- longcatislong
- · Replies 1 ·
Solving Pressure and Force in Gas Experiments
- 503gurl
- · Replies 3 ·
Electric Field using Ampere's law
- Limabeane14
- · Replies 1 ·
What is the force exerted on a point charge in a parallel plate capacitor?
- stumpedbythis
- · Replies 1 ·
Maximum current through resistor in a coil of wire with two resistors in parallel
- conov3
- · Replies 1 ·
How to calculate theoretical initial velocity?
- pill
- · Replies 7 ·
How does gravity affect the human body in different positions?
- chirumu
- · Replies 4 ·
Distance between player and ball- projectile motion
- dani123
- · Replies 4 ·
What is the equation for solving static equilibrium questions?
- XodoX
- · Replies 11 ·
Work with tension and angles problem
- bcd201115
- · Replies 4 ·
Pressure at bottom of flask with three immiscible liquids
- sweetpete28
- · Replies 2 ·
Spring constant for gas-piston system with initial stretch 0.800 m
- defmar
- · Replies 3 ·
Cigar-shaped Charge Distribution
- Opus_723
- · Replies 1 ·
How can I fix my equation for finding initial velocity of a rocket?
- aquameatwad
- · Replies 5 ·
Does Equal Apparent Weight Affect Buoyancy and Mass in Submerged Boxes?
- sweetpete28
- · Replies 1 ·
Find the range of the golfball and the maximum height reached
- dani123
- · Replies 9 ·
Density of electrons in a metal (electricity)
- Talz1994
- · Replies 3 ·
Two train cars being coupled on tracks
- Physicsdummy1
- · Replies 1 ·
Car of mass m travelling down a motorway
- Physicsdummy1
- · Replies 1 ·
Block on ramp with friction at various angles and coefficients
- Physicsdummy1
- · Replies 1 ·
How Does Melting Ice Affect Global Entropy?
- jfislove
- · Replies 3 ·
Calibrating a bungee cord catapult to launch a marble 2–3 meters
- muddy_waters
- · Replies 28 ·
Friction of an object on a moving board
- grusini
- · Replies 5 ·
Velocity of the bowling ball- projectile motion
- dani123
- · Replies 6 ·
Is 2a/sin 2x Equivalent to a Cot x?
- binbagsss
- · Replies 2 ·
Easy Physics Concept but I cannot understand
- jmk193
- · Replies 6 ·
Circular Motion,Uniform motion in Vertical Circles
- Lydia22
- · Replies 2 ·
How Do You Calculate the Mass Defect of O-15?
- atomicpedals
- · Replies 1 ·
Electric Field from 2.5uC Point Charge at 0.75m
- domyy
- · Replies 4 ·
A child slides down a ball of ice.
- zaddyzad
- · Replies 7 ·
Power Loss with and without Transformers
- titaniumpen
- · Replies 4 ·
Distance the dog has to travel to catch a ball - projectile motion
- dani123
- · Replies 6 ·
SHM glider on spring: finding phase constant
- hardygirl989
- · Replies 2 ·
Rolling Sphere Oscillating on Spring
- timmastny
- · Replies 2 ·
Moment of Inertia in Equilateral Triangle
- mishima
- · Replies 1 ·
Electricity and Magnetism: Forces on Conductors in Magnetic Fields
- spaghetti3451
- · Replies 2 ·
Help! Electric Field in Sphere with Uniform Charge
- Color_of_Cyan
- · Replies 3 ·
Moment of inertia of disk about off centre axis
- Lucy Yeats
- · Replies 2 ·
Resistors in a circuit/ Calculate total resistance
- Rokas_P
- · Replies 12 ·
* * Elastic potential energy with box going up an incline.
- Swan
- · Replies 13 ·
Conservation of Energy, Velocity, Ramp, Angle
- mhz
- · Replies 1 ·
How fast must this star be moving?
- Joyeuse
- · Replies 3 ·
Why Does a Ball Thrown Upwards Return at the Same Speed?
- quark001
- · Replies 1 ·
Why is the isothermal line higher than the adiabatic line on a P-V graph?
- babita
- · Replies 2 ·
Solving Sine Waves Problem: Find Time for π Radians
- luigihs
- · Replies 1 ·
Can You Calculate Tension and Angle in a Child's Indoor Swing?
- fisselt
- · Replies 2 ·
Enthalpy change equation for ideal gas with variable temperature
- babita
- · Replies 12 ·
Find distance proton moves between adjacent turns of helix
- jburt
- · Replies 3 ·
Gravitational Acceleration (Gauss law)
- moknight
- · Replies 1 ·
Calculate the angular acceleration and angular velocity
- joe465
- · Replies 26 ·
Dimensional analysis - quantum and classical lengthscale ratio
- kapitan90
- · Replies 1 ·
Relfected wave equation for free and fixed end
- kapitan90
- · Replies 1 ·
Finding an expression for torque
- Lucy Yeats
- · Replies 3 ·
Mass on a Spring: Solving for k and T with 100g and 1kg
- Akibarika
- · Replies 1 ·
Displacement of ball bearing using conservation of energy
- phosgene
- · Replies 4 ·
Finding Tension and Angle for a Child's Indoor Swing
- bcd201115
- · Replies 4 ·
How to find initial speed of something without time or acceleration
- physical..O.o
- · Replies 10 ·
Rotating Square Loop in Constant B-field
- alexcoco
- · Replies 2 ·
Angle of inclination (using Newton's Laws)
- AshNotKetchum
- · Replies 7 ·
Conservation of Energy with Spring and Incline (Diagram Included)
- Wara
- · Replies 1 ·
How to Determine Currents in a Parallel Circuit with Different EMFs?
- Scott.P
- · Replies 7 ·
Wavelength of light from interference fringes in glass wedge
- Zaknife
- · Replies 1 ·
What is the velocity of a block in SHM involving a spring after a given time?
- Mdhiggenz
- · Replies 5 ·
Magnetic field affecting an alpha and a beta particle.
- gabloammar
- · Replies 2 ·
Spinning object losing mass implies torque?
- mishima
- · Replies 3 ·
Relating air film thickness to radius in Newton's rings
- mm2424
- · Replies 3 ·
Where should impulse be applied to a rolling ball for rolling without slipping?
- jeremy222
- · Replies 2 ·
Determining Damping Constant k From Data
- Talz1994
- · Replies 1 ·
An object is undergoing simple harmonic motion
- Mdhiggenz
- · Replies 7 ·
Period of pendulum with mass distributed between ball and bar
- Mdhiggenz
- · Replies 1 ·
Surface Charge Density and electric field
- PatrickGeddes
- · Replies 1 ·
Flow rate in two cylindrical pipes with different radii and velocities
- domyy
- · Replies 13 ·
Calculate Earth's Angular Momentum in Solar Orbit
- MissEuropa
- · Replies 5 ·
Calculating percentage uncertainty for young's modulus
- Hallam17
- · Replies 1 ·
Mechanics-Angular Motion and Conservation of Energy
- dmayers94
- · Replies 1 ·
Does a stationary electron in magnetic field experience Lorentz force?
- ZedCar
- · Replies 2 ·
Motion in a Plane: Projectile Hits Ground 7.5s Later
- Lydia22
- · Replies 2 ·
Find Inductor Value to Limit Current Increase in Circuit
- connor02
- · Replies 4 ·
Mechanics (Components of Acceleration)
- roam
- · Replies 1 ·
Centripetal Force Calc Question
- junkie_ball
- · Replies 2 ·
Max Angle Rod Rotates when Hit w/ Ball
- TerpFlacco
- · Replies 1 ·
Behaviour of a ping pong ball dropped in a can full of water.
- chirumu
- · Replies 1 ·
Period of a 100g mass oscillating on a spring stretched 10cm
- Akibarika
- · Replies 4 ·
AC current, conceptual question, the difference between Iaverage and Irms?
- connor02
- · Replies 2 ·