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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Calculating Maximum Linear Charge Density in Geiger Tube
- doubled
- · Replies 2 ·
Basic Mechanics question I cant seem to solve
- Trevormbarker
- · Replies 23 ·
Finding the volume of a cube with 1 Joule
- pdonovan
- · Replies 1 ·
Doppler Effect (Proving equal wavelengths )
- Peter G.
- · Replies 1 ·
Swimmer crossing river with current at angle
- whoareyou
- · Replies 3 ·
Finding Magnitude of Contact Forces in Boxes 1, 2 and 3
- matt@USA
- · Replies 1 ·
Kinematics in 1 dimension - 2 objects interlinked, find time
- googol
- · Replies 1 ·
Can a Runner Accelerate to Finish a 10,000 Meter Race in Time?
- jehan4141
- · Replies 3 ·
How high does the ball rise before falling?
- Goopy17
- · Replies 1 ·
Where to Find Free Help for Solving Physics Questions Online?
- blueskye
- · Replies 4 ·
How to Successfully Launch a Marble Through Two Hoops: A Projectile Physics Lab
- le123
- · Replies 2 ·
Acceleration of a compound pendulum
- ModusPwnd
- · Replies 6 ·
Which Coin Hits the Bottom of the Lift Shaft First?
- AllenHe
- · Replies 5 ·
Newton's Second Law Lab with Pulley's and Blocks
- Shaidester
- · Replies 15 ·
How Does the Proton-Proton Cycle Result in the Formation of Helium?
- logearav
- · Replies 6 ·
Calculating Resistance in a Circuit
- Cornfused
- · Replies 2 ·
Two Masses Connected by Pulley; find acceleration
- cassienoelle
- · Replies 11 ·
What is the Speed of M2 at 1.45 s After Release of Three Sliding Masses?
- cassienoelle
- · Replies 20 ·
Due in an HOUR Early Physics problem relating drag, weight, and speed.
- jwoods1101
- · Replies 4 ·
Block sliding Down; find kinetic coefficient
- cassienoelle
- · Replies 28 ·
Equipotential, can someone check my work?
- pyroknife
- · Replies 2 ·
Force in different directions, magnitude of acceleration?
- deezy
- · Replies 2 ·
How Long Does It Take a Block to Slide Down a Frictional Incline?
- jord12321
- · Replies 18 ·
Trigonometric functions using accel & time
- Xioxxi
- · Replies 7 ·
How Is the Electric Flux Calculated for a Point Charge Inside a Cylinder?
- JohanM
- · Replies 1 ·
Static Friction but no mass given Help
- cassienoelle
- · Replies 13 ·
Help with mechanics problem-With my math in particular
- JDStupi
- · Replies 1 ·
Electric field of semicircle rod at center
- JosephK
- · Replies 1 ·
Find angles between two rope and the ceiling
- seanster1324
- · Replies 7 ·
8-point charges on a vertice of a cube
- seanster1324
- · Replies 4 ·
How Do You Calculate the Speed and Velocity of a Clock's Second Hand?
- phizics09
- · Replies 1 ·
Simple Point Charge Potential Problem
- dgreenheck
- · Replies 2 ·
Time Dilation/Length Contraction
- Ionian32492
- · Replies 10 ·
Is Path Length the Same as Displacement?
- Miike012
- · Replies 1 ·
How to find force that a seat might exert on a book.
- Joyci116
- · Replies 13 ·
Finding the Height of a Heavy Oil Column in a U-Tube with Mercury and Light Oil
- Darth Frodo
- · Replies 1 ·
What Time Did David Reach Point A After Passing Carl?
- Quark Itself
- · Replies 3 ·
What is the potential energy of this group of electron charges?
- yo_man
- · Replies 2 ·
Reversable process with adiabatic expansion
- osheari1
- · Replies 3 ·
Electric Field extension through
- Badger33
- · Replies 8 ·
How Fast Should I Toss the Wrench to Reach the Roof?
- VKK
- · Replies 1 ·
Help with Friction and Stopping Car
- Husker70
- · Replies 14 ·
Calculating radius of the core with just densities
- bertwan
- · Replies 1 ·
Is Building a Torsion Balance for Gravity Exploration a Weekend Project?
- Trevormbarker
- · Replies 2 ·
How to Calculate Acceleration and Tension in a Two-Trolley System
- BeccaWella
- · Replies 1 ·
Experiment to Determine the Resistivity of a Wire
- yeah20112012
- · Replies 6 ·
HELP i cant think of the formula
- BeccaWella
- · Replies 2 ·
I don't understand f=ma So far so good
- Rosemann
- · Replies 9 ·
Electric field of a continuously charged semicircle rod at center
- JosephK
- · Replies 1 ·
One dimensional medium with 2 different dielectric constants
- Clever-Name
- · Replies 9 ·
Electric Potential, Electric Potential Energy, Electric Field
- MozAngeles
- · Replies 2 ·
Pressure on block immersed in water?
- khurram usman
- · Replies 9 ·
Calculating Velocity from Coordinates: Is it Right?
- Crusaderking1
- · Replies 4 ·
Estimate the maximum initial velocity
- Aquaticus
- · Replies 17 ·
Electric Potential Energy Spherical Shells
- JosephK
- · Replies 2 ·
Calculating the horizontal distance traveled of an object that was thrown.
- DavidAp
- · Replies 4 ·
Is the Potential at the Negative Terminal of a Battery Always 0 V?
- Tinne
- · Replies 1 ·
I need to find the possible error for the volume of a cuboid
- titaniumpen
- · Replies 5 ·
Classical mass rope mass problem
- kasperrepsak
- · Replies 6 ·
Anyone help with my physics HW?
- einsteinphysi
- · Replies 8 ·
Ohmic or Non-Ohmic? - Reasoning Explained
- raman911
- · Replies 3 ·
Measuring Friction on a Sloping Track
- Oatmeal11
- · Replies 1 ·
How do you konw if dipole movement is negative or positive?
- pyroknife
- · Replies 1 ·
What's is dv for a finite cylinder?
- charlies1902
- · Replies 2 ·
What Is Instantaneous Velocity?
- Miike012
- · Replies 5 ·
How Does Heat Affect the Internal Energy of an Ideal Gas at Constant Volume?
- klilly
- · Replies 1 ·
Calculating Unknown Mass & Speed After Car Collision | Homework Help
- Nitrate
- · Replies 1 ·
Finding Electric Field for Three Point Charges
- cheerspens
- · Replies 1 ·
Problem using Newtons second law
- Chosen-wun
- · Replies 2 ·
Newton's laws - studying for a test
- computerex
- · Replies 3 ·
Newton's second law and tension
- warrior2014
- · Replies 7 ·
Net force and Newton's laws of motion
- warrior2014
- · Replies 5 ·
Arrow hitting a target average force question
- Capncanada
- · Replies 5 ·
Finding location of an object as a function of time
- NCampbell
- · Replies 16 ·
How Do Forces Affect Motion in 2D Kinematics?
- rjs123
- · Replies 3 ·
What is the orbital velocity at pericenter and apocenter
- dairycat
- · Replies 1 ·
A Problem Involving Newton's Second Law
- Manni
- · Replies 5 ·
Any examples of real-time energy measurement in homes?
- Urmi Roy
- · Replies 23 ·
Solving Newton's Law Problem: Force on the Rope w/ 56N Sled
- xtitanx09
- · Replies 1 ·
Finding a object relative of time
- ex81
- · Replies 16 ·
Does Vector Angle Affect Magnitude? Need Help!
- debabo007
- · Replies 2 ·
Law of Motion: Horizontal Force
- aokidopi
- · Replies 6 ·
What Is the Correct Stress Calculation for a Wire Under Tension?
- Pyrex
- · Replies 1 ·
Satellite Orbit Around Mars: Force & Speed Calculation
- mrshappy0
- · Replies 6 ·
Particle Position and Momentary Stop: Solving a Motion Equation
- einsteinphysi
- · Replies 13 ·
Hydrostatics: U-Tube Homework Solution
- Darth Frodo
- · Replies 2 ·
What Happens to the Magnitude of a Vector When Rotated?
- debabo007
- · Replies 2 ·
Help with Formula: Minimum Dist. to Avoid Hitting Car in Front
- dance_4dance
- · Replies 1 ·
Given position vs time graph, find velocity?
- skysunsand
- · Replies 5 ·
Falling through the Earth problem
- Xyius
- · Replies 9 ·
Where is the mouse located when it reaches top speed?
- doc2142
- · Replies 1 ·
Designing a Variable Gain Voltage Divider Circuit
- VitaX
- · Replies 9 ·
Solve Gravity Lab Problem: Determine Accel Due to Gravity
- matt@USA
- · Replies 2 ·
Calculate the water level in a pipe.
- collegekid
- · Replies 2 ·
Two forces held by pulley's on an inclined plane.
- NemoMnemosyne
- · Replies 9 ·
Smallest possible tension and its angle
- Malki92
- · Replies 5 ·
Determining angle to which satellite is visible
- unscientific
- · Replies 3 ·
Solving Forces on Ladder: Wall & Floor
- eurekameh
- · Replies 15 ·
Basic measurements and conversion not so basic
- Saterial
- · Replies 3 ·