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 can the time it takes for a hoop to roll up an incline be calculated?
- gillyr2
- · Replies 17 ·
Transformer Voltage Multiplication Factor Calculation
- orionj
- · Replies 5 ·
Will the Cake Stay on the Car in the Rotary?
- shippage
- · Replies 3 ·
Distance between adjacent nodes in a standing wave on a string
- gleeman
- · Replies 2 ·
Assistance with Vertical Terminal Velocity motion - What do you think?
- TheKovac
- · Replies 7 ·
Electric Flux Through a Uniform Electric Field
- musicman05
- · Replies 1 ·
Spring marble shooter, ballistic pendulum, rotating wheel, and turntable friction problems
- wayfarer
- · Replies 1 ·
Tangential component of linear acceleration of point on flywheel
- Hollywood
- · Replies 1 ·
Finding neutron star radius and equatorial speed from pulsar rotation
- feedmeister
- · Replies 10 ·
How Fast Will the Pulley Move Before M2 Hits the Ground?
- JTHERO
- · Replies 3 ·
A triangle's rotational kinetic energy problem
- Nadialy
- · Replies 4 ·
What are the differences between parallel and series circuits?
- soul5
- · Replies 2 ·
What causes the magnetic force between two magnetic poles?
- Gear300
- · Replies 2 ·
How do I get this equation for period?
- frasifrasi
- · Replies 2 ·
What is the Wien bridge frequency proof and how do you solve it?
- birdgirl
- · Replies 2 ·
Find Spring Constant/ m, and Friction known
- Jerm2006
- · Replies 2 ·
Telescope magnification with 200 cm and 1 cm focal lengths
- BuBbLeS01
- · Replies 1 ·
Virtual image magnified by factor of 3 with 50 mm focal length lens
- BuBbLeS01
- · Replies 7 ·
How Is the Capacitance of an Axon Modeled as a Capacitor Calculated?
- themrk
- · Replies 3 ·
An oscillating spring with mass
- jenha14
- · Replies 1 ·
Calculating the Height of a Cliff Using Rocks
- koolbaseman
- · Replies 1 ·
How Does Air Drag Affect Satellite Orbital Speed and Energy?
- clope023
- · Replies 7 ·
Gravitational force between 2 particles
- clope023
- · Replies 1 ·
What is the approximate focal length for a 10X telescope with a 20 cm length?
- BuBbLeS01
- · Replies 1 ·
Calculating Kinetic Energy of Rotating Sphere: 3.2kg, 63cm, 230rev/min
- Hollywood
- · Replies 4 ·
Finding planet radius from satellite orbit using Kepler's third law
- brett812718
- · Replies 1 ·
Clay dropped from height H hits a pan—does it have the same speed?
- meganw
- · Replies 1 ·
Potential energy of a pendulum when the angle is small
- XxBollWeevilx
- · Replies 13 ·
Calculate Work Done with 104 N Force on 26 kg Mass
- physicsgal
- · Replies 10 ·
What is the dimensionless number a for a R-L circuit when the switch is closed?
- ttiger2k7
- · Replies 2 ·
Finding rotational kinetic energy of a rolling cylinder without radius
- Sheneron
- · Replies 6 ·
Calculating Compression of Aquarium Support Posts
- houseguest
- · Replies 9 ·
Calculating Time to Complete One Revolution of Airport Carousel
- gmunoz18
- · Replies 1 ·
Finding Currents in Complex Circuits - E1= 10V, E2= 6V
- SpaceTrekkie
- · Replies 7 ·
Properties of Electric Charges-review prob
- lunarskull
- · Replies 4 ·
How do I calculate error contribution from measurement accuracy?
- catie1981
- · Replies 3 ·
Equivalent resistance in multiloop
- gills
- · Replies 4 ·
Calculating Radius of a Circular Loop in Motion with Varied Weight
- JonathanSnow
- · Replies 3 ·
Space probe energy at different distances from planet Zero
- brett812718
- · Replies 2 ·
Pin joint Trusses and Equilibrium
- lehel
- · Replies 7 ·
Work and kinetic energy problems with force, angle and speed
- banana44
- · Replies 6 ·
Calculate the magnitude and direction of the electric field
- Shaad
- · Replies 3 ·
Conservation of mechanical energy ?
- birch137
- · Replies 2 ·
Gravitational potential energy of two particles and work done by gravitational force
- brett812718
- · Replies 17 ·
How do you calculate partial pressure of water vapour in air?
- shabs
- · Replies 1 ·
Maximum velocity of a car leaving inclined ramp.
- aliensk
- · Replies 1 ·
Calculating Kinetic Energy Before Impact
- shabs
- · Replies 1 ·
Calculate magnitude of the reactive force
- shabs
- · Replies 1 ·
Distance of Image from Object in Plane Mirror - Caution with Convex Mirrors
- louie3006
- · Replies 1 ·
Calculating Work Required to Pull a Hanging String Onto a Table
- forty
- · Replies 3 ·
Deriving a Uniform Circular Motion Equation
- ethanh
- · Replies 4 ·
Find the magnitude of the centripetal force acting on the monkey
- cocotown22
- · Replies 2 ·
Where Should Particle C Be Placed to Balance Gravitational Forces on Particle A?
- TS656577
- · Replies 4 ·
Motion in 2 Dimensions - Inclined Plane Pulleys
- TheKovac
- · Replies 5 ·
What is the Work Done in Solving a Force and Energy Problem?
- MellowOne
- · Replies 15 ·
When is light totally reflected in a diamond?
- zachcumer
- · Replies 1 ·
Motion in 2 Dimensions - Pulleys
- TheKovac
- · Replies 5 ·
What is the Final Velocity of the 18 kg Rock After Collision in Space?
- syjxpatty
- · Replies 1 ·
Picture on wall, Saturn gravity, and pulling a block with friction
- Melrose<3
- · Replies 1 ·
Magnetic field with solenoid, have work;
- Th3Proj3ct
- · Replies 6 ·
How does energy change as a rock falls in a vacuum chamber?
- vincent142
- · Replies 5 ·
How does -9.2*m/s + 3.6 Kg become 2.6m/s?
- superjoebob
- · Replies 9 ·
How to find Fa .to find other unknowns ?
- viet_jon
- · Replies 13 ·
Energy in electromagnetic waves
- map7s
- · Replies 2 ·
I'm hoping someone could check my answers.
- Tiplerfan
- · Replies 1 ·
Why is the angle of incidence equal to the angle of emergence through a prism?
- zachcumer
- · Replies 9 ·
How to Calculate Average Force in a Falling Man Scenario [SOLVED]
- vysis
- · Replies 4 ·
Calculating the resultant force .
- LiamFermoylel
- · Replies 12 ·
How Does the Changing Current in a Solenoid Affect a Coil Within It?
- ttiger2k7
- · Replies 2 ·
Resultant force from two cables using graphical method
- LiamFermoylel
- · Replies 8 ·
How far could I kick a bus if I were a Mantis Shrimp?
- hamsterama
- · Replies 5 ·
What is the length of the rotating string on a string trimmer?
- tbontom
- · Replies 4 ·
How do Newton and Einstein's theories contribute to quantum mechanics?
- usnpilot2012
- · Replies 3 ·
Which statement about magnetic force on a charged particle is false
- n77ler
- · Replies 8 ·
What is the Speed of the Speeder Relative to the Ground?
- arod2812
- · Replies 2 ·
Roller coaster circular motion normal forces
- wegman14
- · Replies 1 ·
How Do You Calculate the Third Piece's Velocity in a Grenade Explosion Problem?
- bgaspar00
- · Replies 2 ·
What Forces Act on a Ball in Vertical Circular Motion?
- Mthees08
- · Replies 3 ·
How can I solve a multiloop circuit using Kirchhoff's laws?
- gills
- · Replies 7 ·
How do I calculate the force needed for a hydraulic lift?
- jrrodri7
- · Replies 6 ·
Does Acceleration Require a Force to Be Involved?
- urooj
- · Replies 2 ·
What Are the Equations for Power and Tractive Effort in a Car Ascending a Slope?
- 570mitch
- · Replies 1 ·
Spring making 12 vibrations in 3 seconds
- diegotc
- · Replies 1 ·
How Do You Calculate the Retarding Force in a Pulley System?
- blah:p
- · Replies 1 ·
Does resistance vary with voltage in Ohm's law?
- hamburgler
- · Replies 6 ·
Static Electricity: Reduce Shock by Holding a Doorknob
- lisamay44
- · Replies 4 ·
I am in need of a formula. (visible wavelength, thin film)
- bobbo7410
- · Replies 4 ·
Looking for deltaK, change in total kinetic energy
- dukebdx12
- · Replies 5 ·
Determine the normal force of a crate on the floor
- dranseth
- · Replies 2 ·
Finding acceleration of a sled with applied force and friction
- viet_jon
- · Replies 6 ·
Error calculations involving gradients
- acidburner
- · Replies 1 ·
Where is the maximum speed of a vibrating string?
- msimard8
- · Replies 4 ·
How Much Heat Does a 60W Bulb Transfer to Air by Natural Convection?
- bill nye scienceguy!
- · Replies 1 ·
Can Relativity Explain the Changing Size of Babylon 5 Space Station?
- wowolala
- · Replies 3 ·
Solve Time Dilation: Get 24hr Solution in 105hrs
- EngageEngage
- · Replies 2 ·
Calculate the sprinters average acceleration
- jeahomgrajan
- · Replies 5 ·
Finding aperture width from point source light geometry
- BuBbLeS01
- · Replies 2 ·
How does capacitance and resistance affect charge time in RC circuits?
- zvee_y
- · Replies 2 ·
Calculate Momentum/KE Transfer in Neutron-Boron Collision
- richylai
- · Replies 6 ·
Ultracentrifuge Angular Speed Calculation
- richylai
- · Replies 10 ·