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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Elementary particles -their place in atom
- logearav
- · Replies 6 ·
What Is the Correct Calculation for Current in a Solenoid?
- tomsolo526
- · Replies 1 ·
Determine Va-Vb and the magnitude/direction of Ea-Eb
- StudentofSci
- · Replies 2 ·
Help with mechanics problem from images
- winichris
- · Replies 43 ·
Error Calculation in Multiplication of two measurement points
- brad gover
- · Replies 1 ·
Will the Baseball Clear the Fence?
- dani123
- · Replies 6 ·
How Long Does It Take for a High-Resistance RLC Circuit to Lose Half Its Energy?
- Nivlac2425
- · Replies 4 ·
Why Does an Inductor Behave Differently from a Resistor in an RL Circuit?
- hopkinmn
- · Replies 7 ·
Calculate the coefficient of friction of a box sliding down a hill?
- nerdgirl14
- · Replies 12 ·
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 ·