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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How Many Revolutions Does a Proton Make in a Cyclotron?
- MyNewPony
- · Replies 1 ·
Simple lab calculation (Magneticfield vectors)
- Xeno24
- · Replies 2 ·
Question with large number?electron charge?
- graphicer89
- · Replies 10 ·
How do RC circuits cause phase shift in signals?
- jeff1evesque
- · Replies 2 ·
How Does Proton Fusion Sustain the Sun's Energy?
- MyNewPony
- · Replies 4 ·
Calculating Jump Landing Position
- Bozzy
- · Replies 4 ·
Calculating the Center Fielder's Average Speed
- Cheddar
- · Replies 5 ·
Which of these source charges will produce a maximum possible speed?
- MyNewPony
- · Replies 1 ·
Interference wave have solution need explanation
- Puchinita5
- · Replies 1 ·
Angular acceleration of spinning bicycle wheel with friction
- pttest
- · Replies 4 ·
Solving for Ice: Coffee Cooling With Heat Exchange
- tag16
- · Replies 3 ·
How Far East Must a Biker Travel to Reach His Destination?
- dance_sg
- · Replies 1 ·
Are my dimensional analysis question correct
- JakePearson
- · Replies 3 ·
How fast do you and your mirror image approach each other at 7 m/s?
- peaceandlove
- · Replies 1 ·
Projectile motion football question
- mauritzhansen
- · Replies 6 ·
Diffraction grating patterns with monochromatic and white light
- graphicer89
- · Replies 7 ·
Potential difference, potential energy and work on charges in Earth's electric field
- exitwound
- · Replies 2 ·
What Is the Maximum Acceleration a Plane Can Have Without a Coffee Cup Sliding?
- Cheddar
- · Replies 5 ·
What's the minimum number of objects needed for a force to exist?
- Stroodle
- · Replies 4 ·
Calculating Rate of Heat Loss for Metal at 800K
- Cheddar
- · Replies 7 ·
How Does Copper's Thermal Conductivity Affect Heat Transfer?
- tag16
- · Replies 2 ·
How Does Swapping a Capacitor with a Resistor Affect a Circuit's Functionality?
- jeff1evesque
- · Replies 17 ·
Rotational Kinematics of a thin rod
- Cheddar
- · Replies 1 ·
Simple Harmonic Motion and Elasticity
- Cheddar
- · Replies 1 ·
Force on M1 to keep M3 in equilibrium with K&K pulley system
- WiFO215
- · Replies 1 ·
Solve Kinematics in 2D: Rocket Clears 11m Wall
- Cheddar
- · Replies 2 ·
Find the effective force constant ke
- Pupil
- · Replies 4 ·
How Can I Apply a Constant Force in an Experimental Design?
- jozef
- · Replies 6 ·
Finding Theoretical Acceleration in an Acceleration/Force Lab
- Petrucciowns
- · Replies 11 ·
Determine the new spring constant of the springs
- leena19
- · Replies 6 ·
Two parallel wires in plane. determine B field as f(x)
- cleverfield
- · Replies 6 ·
Impulse and Momentum of a bullet
- Cheddar
- · Replies 3 ·
Forces and Newton's Laws of a train
- Cheddar
- · Replies 10 ·
How Does Dimensional Analysis Validate Units in Physics Problems?
- JakePearson
- · Replies 1 ·
Work and Energy of a motorcycle
- Cheddar
- · Replies 1 ·
How Much Work Does the Catapult Do on a Fighter Jet During Launch?
- Cheddar
- · Replies 2 ·
How Do You Calculate the Mass and Number of Atoms in a Substance?
- JakePearson
- · Replies 1 ·
What is the meaning of strength in the context of gravitational fields?
- TheDoorsOfMe
- · Replies 6 ·
How Do You Calculate the Mass of Atom Type B?
- JakePearson
- · Replies 1 ·
Algebra Problem: Is 2y1/12 4x3/70 the Answer?
- JakePearson
- · Replies 1 ·
Dynamics of Uniform Circular Motion
- Cheddar
- · Replies 1 ·
Is gravity significant in this scenario?
- Cheddar
- · Replies 8 ·
Do Sound Waves from a Tuning Fork Move Faster in Dry Air or Moist Air?
- graphicer89
- · Replies 10 ·
Forces and Pulleys of two blocks
- Cheddar
- · Replies 2 ·
Work done in overcoming friction
- dance_sg
- · Replies 1 ·
Why does a massive pulley require different tension labels on each side?
- bobaustin
- · Replies 4 ·
Initial velocity difference between two motorcycles with different accelerations
- Cheddar
- · Replies 7 ·
Ball kinematics in one dimension
- Cheddar
- · Replies 6 ·
Force, velocity, distance, direction
- dance_sg
- · Replies 10 ·
Two blocks on top of eachother with pulleys
- harrinj4
- · Replies 9 ·
Kinematics 2D: Horizontal Velocity of Spiked Volleyball
- Cheddar
- · Replies 2 ·
Calculating Time for Javelin Throw Angle Change
- Cheddar
- · Replies 1 ·
Conservation of energy of a marble problem
- Amar.alchemy
- · Replies 2 ·
How Much Power Does a Light Bulb Use Connected to a 120 V Outlet?
- graphicer89
- · Replies 10 ·
Finding Velocity in Work Problem
- petern
- · Replies 17 ·
Maximum rotation rate before block or penny slips on disk
- leena19
- · Replies 8 ·
Tetherball wrapping around a pole
- opticaltempest
- · Replies 3 ·
Current through parallel resistors when a switch closes
- prat
- · Replies 1 ·
High frequencies and capacitor plates
- jeff1evesque
- · Replies 5 ·
Why does a pendulum only swing back and forth in a straight line?
- SusanC1105
- · Replies 17 ·
Does Ramp Steepness Affect Sphere's Descent Time?
- Zmuffinz
- · Replies 1 ·
Calculating force to move a cursor object with gravity in a physics engine
- sofcal
- · Replies 5 ·
Finding the frinction coefficient for a car on a banked turn
- Elmnt
- · Replies 3 ·
Magnetic Field and Moving Charge
- runfast220
- · Replies 1 ·
What is the acceleration of an object with given forces and weight?
- Smile101
- · Replies 4 ·
Gauss Law and Electrostatic Field
- Sami Lakka
- · Replies 16 ·
Continuous fibre reinforced polymer
- tone999
- · Replies 1 ·
Solving 2D Elastic Collision Problem in Physics
- mgrantbaker
- · Replies 1 ·
Distance and your image on a mirror?
- graphicer89
- · Replies 13 ·
Calculate Speed of Crate on Incline using Work-Energy Principle
- kieran89
- · Replies 2 ·
What is the net force acting on a wheel with a cord wrapped around it?
- Amar.alchemy
- · Replies 3 ·
Coefficient of kinetic friction for a 20 kg sled pulled at 30° above horizontal
- jandominic145
- · Replies 7 ·
What is the relationship between relative humidity and temperature?
- leena19
- · Replies 2 ·
Solving the Mystery: Calculating Terminal Velocity
- Zmuffinz
- · Replies 3 ·
Angular acceleration of pulley with 12 N cable force
- Cheddar
- · Replies 3 ·
Blocks connected on a table - find acceleration and tension
- blackboy
- · Replies 4 ·
Bicycle Helmet Physics - Momentum Calculations
- yowatup
- · Replies 5 ·
How Do You Calculate the Force on Different Faces of an L-Shaped Water Tank?
- Puchinita5
- · Replies 14 ·
How Does Changing Wavelength Affect Fringe Spacing in a Double-Slit Experiment?
- frederickcan
- · Replies 3 ·
Draw the secants of a curve (line?)
- zeion
- · Replies 4 ·
What is the Wavelength of a Helium-Neon Laser Beam in an Unknown Liquid?
- frederickcan
- · Replies 5 ·
What is the orbital frequency of an electron and positron 2.00nm apart?
- imafam
- · Replies 3 ·
Projectile motion: range R, max height R/6, find initial conditions
- Gyro
- · Replies 2 ·
Calculating Forces on a 2D Rigid Body Held by Two Points
- FigBug
- · Replies 5 ·
Solving Boy's Sled & Hill Homework: Find Friction & Acceleration
- abhikesbhat
- · Replies 8 ·
Lorentz transformations with space stations and light pulse
- Nisse
- · Replies 5 ·
Establishing an Electrostatic Series: My Confusion
- ctamasi
- · Replies 2 ·
Will doubling the diameter of a wire affect its length?
- prat
- · Replies 2 ·
Electric potential configuration problem
- bodensee9
- · Replies 2 ·
Calculating Work Done on a Spring with Varying Lengths
- songoku
- · Replies 12 ·
Moment if inertia of a point mass
- i_island0
- · Replies 3 ·
Work and Energy-Combining equations
- Petrucciowns
- · Replies 17 ·
Block sliding down ramp, elastic collision, and loop with friction
- lone21
- · Replies 3 ·
Why do aluminum and brass spheres have the same upthrust in viscous liquid?
- leena19
- · Replies 4 ·
Elastic collision in one dimension
- lone21
- · Replies 1 ·
Rotational motion begining with kinetic friction.
- MarkChoo
- · Replies 7 ·
Heat transfer and condensation coils in a refrigerator
- graphicer89
- · Replies 6 ·
How Does Centripetal Force Relate to Distance in Orbital Motion?
- dance_sg
- · Replies 6 ·
Electron traveling between two plates
- talaroue
- · Replies 12 ·
Finding the Moon's centripetal acceleration given orbital period and radius
- dance_sg
- · Replies 3 ·