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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Melting Ice Cube: Time Needed for 3-Ton Ice Cube with Golden Bars
- baky0905
- · Replies 2 ·
Solving for Initial Velocity: When Angles, Distances are Given
- princesspriya
- · Replies 2 ·
How Does Wind Affect the Flight Time of a Plane on a Square Route?
- checkmarks
- · Replies 1 ·
Total displacement for a train journey with two parts and a stop
- aaquib
- · Replies 4 ·
How to Determine Angular Speed with Only Rotational Inertia?
- dalterego
- · Replies 18 ·
A fixed string in the third harmonic
- TFM
- · Replies 33 ·
How do I calculate percentage error in gradient from RMS error of y-values?
- garyman
- · Replies 5 ·
Relative velocity of two speeding cars
- checkmarks
- · Replies 1 ·
What is the thickness of the copper layer on a constantan wire?
- mysqlpress
- · Replies 4 ·
Finding the drag constant C from terminal velocity data
- dranseth
- · Replies 10 ·
Loudspeaker Design: Calculating Angle of First Minimum
- _Mayday_
- · Replies 4 ·
How Do Rack and Pinion Gears Translate Motion in Physics?
- bhnh
- · Replies 4 ·
An experiment to determine the speed of sound using a closed pipe.
- _Mayday_
- · Replies 6 ·
Why are my two-slit diffraction minima shifted toward the origin?
- poonintoon
- · Replies 1 ·
What determines the net work on a hockey puck in circular motion?
- shenwei1988
- · Replies 3 ·
Finding perpendicular distance from object heading to target GPS
- Alienufo736
- · Replies 1 ·
Calculate Theta for 0 Vertical Component of P
- Ry122
- · Replies 7 ·
(101)Conservation of linear momentum
- WPCareyDevil
- · Replies 2 ·
How Does Adding a Capacitor Affect Current in an AC Circuit?
- arod2812
- · Replies 1 ·
Parabolic Motion, *throw a ball with velocity at angle 45 6.2m above ground
- Tommy22
- · Replies 3 ·
How Do You Calculate the Equivalent Resistance in This Circuit?
- rootX
- · Replies 1 ·
Water Surface: Is it Flat or Rounded?
- tommyn79
- · Replies 1 ·
Average Speed? How do I calculate?
- aaquib
- · Replies 3 ·
Finding Max Height and Velocity of Thrown Kong
- Charlie_russo
- · Replies 1 ·
What Happens to Puck Speeds After an Inelastic Collision with Energy Loss?
- klopez
- · Replies 1 ·
Calculating Earth's Orbital Speed Using Star Spectra
- bse
- · Replies 2 ·
Does the Lorentz Force Law Affect Charged Particles' Speed and Direction?
- kungshoey
- · Replies 3 ·
How Does Snell's Law Explain Light's Unchanged Direction Through a Glass Plate?
- clipperdude21
- · Replies 1 ·
How Is Energy Conservation Used to Calculate Sliding Distance on an Incline?
- minimax
- · Replies 4 ·
Work and Kinetic Energy: Calculating Work and Speed with Varying Force
- shenwei1988
- · Replies 3 ·
How High Must a Satellite Orbit to Remain Geostationary Over Jupiter?
- ookt2c
- · Replies 2 ·
Electric Forcs and Work (Algebra based physics)
- Seikon85
- · Replies 1 ·
Coal energy and heating a home. .
- Speedy
- · Replies 1 ·
Block hitting a spring down an incline
- AnkhUNC
- · Replies 1 ·
Center of mass of concrete wall
- nightshade123
- · Replies 7 ·
How Does Angular Velocity Affect Circular Motion?
- TheNormalForc
- · Replies 2 ·
Deriving Electric Field from Voltage
- Gear300
- · Replies 1 ·
Surface Charge Distrib on Plane
- jesuslovesu
- · Replies 1 ·
Finding the potential difference?
- tyhwang1987
- · Replies 1 ·
What Is the Speed of Water Leaving the Nozzle?
- _Pistolkisses
- · Replies 1 ·
How Do NPN Transistors Function in a Circuit?
- sanado
- · Replies 1 ·
Gun and Shell: Calculate Velocity and Force
- milan.007
- · Replies 1 ·
How far up the incline will the block move before coming to rest?
- ohhi
- · Replies 2 ·
Body with constant velocity and accelerating body catching up
- milan.007
- · Replies 3 ·
Circular Motion Problem: Finding Angular Velocity with Maximum Tension of 50 N
- anonymous820
- · Replies 3 ·
How Is Kinetic Energy Calculated at Point A in a Loop-the-Loop?
- am08
- · Replies 12 ·
What is the Speed of a 420 g Particle at t=2 Seconds Under a Sine Wave Force?
- Nightrider55
- · Replies 7 ·
How do you calculate work in a vertical rope and mass problem?
- greyradio
- · Replies 3 ·
How Do You Calculate the Radial Component of Acceleration in a Turning Car?
- jonnejon
- · Replies 4 ·
Finding thumb and finger forces on a tilted lunch tray
- tem_osu
- · Replies 6 ·
How Does Braking Affect the Temperature of Car Brakes?
- Cortar
- · Replies 1 ·
Rotational Kinematics of bicycle breaks
- tem_osu
- · Replies 7 ·
Are drag coefficients negative?
- amolv06
- · Replies 4 ·
Potential difference at midpoint of equilateral triangle with charges at vertices
- Tan_Can
- · Replies 1 ·
Instaneous Power in a standing Wave
- TFM
- · Replies 17 ·
Potential difference problem (important)
- Tan_Can
- · Replies 1 ·
Why is wave mechanics needed if Bohr theory gives the same energies?
- Lillyotv
- · Replies 2 ·
Solving Neuton's Second Law: Mass and Tension Calculations for Hanging Objects
- chocolatelover
- · Replies 4 ·
Do Photons from White Light Emit Randomly with Specific Lifespans?
- coke
- · Replies 1 ·
Plane landing time and distance with maximum deceleration
- chocolatelover
- · Replies 4 ·
Helicopter Physics: Finding Time to Reach Ground from Release Point
- chocolatelover
- · Replies 3 ·
With what speed does the car then strike the tree?
- chocolatelover
- · Replies 11 ·
Atwood Machine and block acceleration
- ~christina~
- · Replies 15 ·
Why does a blackened spoon appear glossy when immersed in water?
- nariman
- · Replies 2 ·
Circular Motion: Change in Height, Box Struck by Arrow
- MaZnFLiP
- · Replies 2 ·
How Many Turns of Wire Does the Coil Have?
- feedmeister
- · Replies 1 ·
Starting from rest several toy cars roll down ramps at different
- grasjm36
- · Replies 5 ·
Uniform circular motion radius
- ys2050
- · Replies 2 ·
I have to make sample questions for class
- PhysWiz3.14
- · Replies 1 ·
Is there any online sites that simulates circuits
- henry2221
- · Replies 1 ·
Quiz: Calculating Gravitational Forces and Orbital Speeds
- PhysWiz3.14
- · Replies 1 ·
What Causes Kinetic Energy To Not Be Conserved
- MaZnFLiP
- · Replies 2 ·
Particle Motion Problem: Finding Position and Velocity with Derivatives
- chocolatelover
- · Replies 1 ·
Electrostatics: Conducting Sphere in Uniform Electric Field
- MetsFan09
- · Replies 3 ·
How Is the Spring Constant Calculated from Block Compression and Friction?
- soul5
- · Replies 1 ·
Angular Acceleration of at woods machine
- meganw
- · Replies 2 ·
Calculate orbital speed of Earth from distance and period
- rsyodoom2005
- · Replies 8 ·
Determining Satellite's Altitude and Period Using Kepler's Laws
- featherua08
- · Replies 2 ·
Measuring distance to an outside object using vectors and angles
- frogger20027
- · Replies 1 ·
Find currents and Vab when 10V battery polarity is reversed
- jelsliger7
- · Replies 3 ·
Vector by bivector geometric product
- krcmd1
- · Replies 2 ·
Finding the force to rotate a 44-ton door 90 degrees in 30 seconds
- JFlash
- · Replies 2 ·
Calculating Distance Traveled on a Rotating Wheel
- featherua08
- · Replies 2 ·
How Is Force Calculated to Keep a Block Stationary on an Inclined Plane?
- bjgawp
- · Replies 1 ·
Conservation of Energy Equations -
- jpond89
- · Replies 1 ·
When Should Gravity's Potential Energy Be Negative in Energy Calculations?
- rsala
- · Replies 11 ·
Solving Simple Power Problem: Grandfather Clock + 3.70kg Weight
- help234
- · Replies 1 ·
Force sensor vs cart force during collision with bumper
- gavrir
- · Replies 15 ·
Giant Swing, Uniform Circular Motion
- clope023
- · Replies 9 ·
Problem 7.46: Riding a Loop-the-loop
- annabelx4
- · Replies 1 ·
Does a 150 HP Car Engine Suffice for Uphill and Acceleration Tasks?
- Shadowsol
- · Replies 2 ·
Elementary astrophysics - monochromatic flux?
- jeebs
- · Replies 1 ·
Conservation of energy -swinging vine.
- frasifrasi
- · Replies 7 ·
Converting 20 Joules per Square Meter to Joules per Square Decimeter
- chrisama
- · Replies 3 ·
How Fast Does an Electron Move Towards a Charged Plane?
- jcpwn2004
- · Replies 3 ·
Force required to keep objects in orbit.
- the7joker7
- · Replies 6 ·
Quick Electric Potential Concept Question
- jcpwn2004
- · Replies 6 ·
Amplitude of Standing Wave in Fundamental Mode
- Thomas_
- · Replies 4 ·
Moment of Inertia Problem: Perpendicular Axes THM
- ultimateceej
- · Replies 1 ·