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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Rotational Kinematics (Rolling and sliding)
- nahanksh
- · Replies 1 ·
Relative Velocity Airplane Problem - Air and Ground speed
- Rock32
- · Replies 1 ·
Physics - Please help
- Shaley
- · Replies 1 ·
Maximum velocity of charged particles
- Knfoster
- · Replies 1 ·
Microwave energy problem (please check my answers)
- madeeeeee
- · Replies 1 ·
Forces Problem (find acceleration of bottle and how far it travels from rest.)
- madeeeeee
- · Replies 4 ·
Solving Projectile Motion Confusion: Time and Distance Calculations
- tomsdubs
- · Replies 5 ·
Energy and Power problem (change in tempurature)
- madeeeeee
- · Replies 2 ·
Equilibrium question with attached diagram
- pinnacleprouk
- · Replies 3 ·
What is the Efficiency of a Carnot Air Conditioner?
- azure kitsune
- · Replies 4 ·
Another simple harmonic motion question
- lilmul123
- · Replies 2 ·
Charge and excess electrons in a rod
- nothingatall
- · Replies 2 ·
Elementary Boltzmann Statistics
- Phyisab****
- · Replies 6 ·
How Do You Calculate Currents in a Bridge Circuit?
- Peto
- · Replies 1 ·
Finding the End Point of a Transformed Vector
- magnifik
- · Replies 2 ·
Circular Motion, Center of Gravity, Rotational Motion Homework Help
- shadow3352
- · Replies 1 ·
Two-Dimensional Motion help with a Flatcar
- Wishingwell
- · Replies 3 ·
Quick question about a simple harmonic motion problem
- lilmul123
- · Replies 2 ·
Solving Atoms & Molecules: 1.00g Water/Ice Cube
- SAT2400
- · Replies 6 ·
Finding the Charge for Circular Motion in an Electric Field
- nothingatall
- · Replies 5 ·
Someone me specific heat capacity?
- Dmitri10
- · Replies 7 ·
How Does Immersion in a Liquid Affect Diffraction Fringe Spacing?
- jasper10
- · Replies 8 ·
Physics of Block of Wood Pushed Across Floor: Will it Stop?
- maccha
- · Replies 2 ·
Electric Field due to a charged hallow cylinder/solid cylinder on a point
- Qbit42
- · Replies 7 ·
Momentum question involving vectors
- jumpyroo92
- · Replies 1 ·
Conceptual Problem (Integration)
- anonymousphys
- · Replies 2 ·
FTIR Machine: Interference of Blackbody Radiation Source
- physical101
- · Replies 1 ·
Calculating the net electric flux
- anonymousphys
- · Replies 1 ·
Index of refraction and oil/water
- jaded18
- · Replies 12 ·
Unravelling Electric Flux: Area Vector and E-Field Vector
- anonymousphys
- · Replies 1 ·
Calculate Work Done: 40kg Stone, 30o Incline, 100m Height
- lemon
- · Replies 17 ·
Calculating Charge on Drop with Excess Electrons
- Masafi
- · Replies 1 ·
Calculate Change in Momentum of 65kg Runner After Half Revolution
- Masafi
- · Replies 1 ·
Evaluating Dirac Delta Integrals: Homework Statement
- E92M3
- · Replies 9 ·
Vertical Motion w/ constant acceleration
- cdlegendary
- · Replies 2 ·
Help with building a battery transporter for physics
- michellex
- · Replies 1 ·
Medical Physics: Calculating Traction, Tension and Reaction Force
- tamimi23
- · Replies 1 ·
Flatcar Hoop Problem: Find Ball's Initial Velocity
- magnifik
- · Replies 3 ·
Cetripetal and Centrifugal forces: points of action
- abhineetK
- · Replies 6 ·
Stability & Balance of rigid bodies
- M_G
- · Replies 9 ·
Total momentum after collision physics
- lemon
- · Replies 6 ·
What is the minimum angle for a ladder to not slip against a frictionless wall?
- tigerwoods99
- · Replies 6 ·
Some questions on magnetic fields in matter
- springo
- · Replies 1 ·
Finding end temperature of mixed substances
- dthmnstr
- · Replies 3 ·
Help:Calculation of decay/sec using t1/2 & No
- immuno
- · Replies 3 ·
Second order ODEs- P.Integral for e^xsinx
- Smith987
- · Replies 3 ·
Energy considerations in strings
- aim1732
- · Replies 3 ·
Hydrostatics - Which point has higher pressure?
- IBY
- · Replies 4 ·
Egg Drop Design Using Only Paper
- Silver Rose
- · Replies 5 ·
Ly on gravitation only one part
- squintyeyes
- · Replies 5 ·
Vaporization and change in internal energy
- songoku
- · Replies 6 ·
How do I make a compensation vector?
- yamugushi
- · Replies 1 ·
Calculate the actual depth of the trout
- Shaley
- · Replies 4 ·
Finding An Initial Speed, Intro to Physics Question
- STEF2098
- · Replies 1 ·
Simple Harmonic Motion-Solving for Spring Constant
- Wellesley
- · Replies 8 ·
Calculate Brewster Angle & Significance for Light in Ethanol-Crown Glass
- Shaley
- · Replies 1 ·
What is the angle of the slope in Q2?
- lemon
- · Replies 7 ·
Do the Balls Cross Paths at 1/2h, Above 1/2h, or Below 1/2h?
- kbaumen
- · Replies 2 ·
How Much Must You Stretch a Guitar String to Obtain a Tension of 10 N?
- kavamo
- · Replies 3 ·
Does a Higher K Value in a Spring Lead to More Efficient Energy Transformation?
- Dynamite
- · Replies 2 ·
How can the volume of water needed to melt an iceberg be determined?
- dilasluis
- · Replies 2 ·
Finding the radius of a charged metal sphere
- Jimmy25
- · Replies 1 ·
Helpp with thermodynamics and specific heat question
- TheTourist
- · Replies 1 ·
Force due to a uniformly charged ring
- Jimmy25
- · Replies 7 ·
How to Calculate the Max Launch Speed of a Catapult Using Elastic Bands?
- Final Thought
- · Replies 2 ·
Find Resistance Between A and B
- mmmboh
- · Replies 10 ·
Heat Loss & Water Heating: Implications of c Value
- acronym
- · Replies 9 ·
Which is True in an Expanded Aneurysm: 1-6?
- Ekh
- · Replies 3 ·
How Do You Calculate the Period of a Compound Pendulum with Two Masses?
- dgl7
- · Replies 2 ·
Volume Change with Temperature Increase at Constant Pressure?
- heraclius
- · Replies 6 ·
Direction of rolling resistance
- R Power
- · Replies 1 ·
Electrostatic potential of unit charge in vacuum
- dingo_d
- · Replies 2 ·
Acceleration of Plank & Sphere with Constant Force F on Masses m1 & m2
- sachin123
- · Replies 3 ·
Finding the Coplanar Value of n for Given Vectors
- jarman007
- · Replies 4 ·
Attraction & Force of Parallel Conductors/Loops in Magnetic Field
- sArGe99
- · Replies 2 ·
Solve Archimedes Principle: 800kg Load on 5x2m Barge in Fresh Water
- jaisan72980
- · Replies 1 ·
Find Optimal Distance from Wall for Max Angle of Vision
- gangsterme
- · Replies 1 ·
How Do Temperature Changes Affect Stress in Steel and Aluminum Rods?
- Fizzicist
- · Replies 10 ·
How Far and How Long Will a 20kg Object Travel Under Friction?
- BearMtn61
- · Replies 2 ·
How Does Battery Size Affect Charge Transfer in a Flashlight?
- majormuss
- · Replies 2 ·
Motion in Fields (two parallel plates when voltage is applied)
- jasper10
- · Replies 8 ·
How does temperature affect the height of a liquid column in a glass tube?
- plfarrell
- · Replies 3 ·
Calculating the mass in a solenoid system
- mmoadi
- · Replies 1 ·
A Coordinates and Interval Question
- jenn047
- · Replies 8 ·
Electrical Force Homework: Double Charge, Double Distance, 2x Force
- VLC
- · Replies 1 ·
Flow Rate Ratio of Two Tubes: Calculation
- Ekh
- · Replies 2 ·
What direction should the electric field point in a velocity selector?
- cdymdcool
- · Replies 3 ·
How Does a Star's Diameter Change with Its Rotation Period?
- nnokwoodeye
- · Replies 1 ·
Calculating Velocity & Acceleration of the Moon
- planke
- · Replies 1 ·
What Supplies Do I Need for My Electromagnet Science Project?
- Alieneater
- · Replies 1 ·
Electric Potential problem, 4 equal charges, different signs, weird shape.
- BATBLady
- · Replies 1 ·
How to determine the potential difference?
- cdymdcool
- · Replies 1 ·
Manipulating inverse square graph into straight line graph
- sync303
- · Replies 4 ·
Find the voltage at point X on the circuit
- mathman44
- · Replies 2 ·
How Does a Star's Diameter Change with Rotation Period?
- nnokwoodeye
- · Replies 4 ·
Maximum Power Dissipation at Internal Resistance Proof
- ATOMatt
- · Replies 4 ·
How Many Photons Reach the Retina?
- kingwinner
- · Replies 7 ·
Simple unit convention question
- doive
- · Replies 4 ·
Potential Difference between Concentric Circles
- codfishman
- · Replies 1 ·
Electric Force on a charge effected by a non-uniform linear charge
- bjornert
- · Replies 10 ·