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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Can sum1 help me wit this question?
- b_ball_gurl87
- · Replies 5 ·
Calculating Acceleration in Different Positions Using Newton's 2nd Law
- Stargate
- · Replies 10 ·
Calculating Force on the Bottom of a Cylinder in Fluid Physics
- Yegor
- · Replies 3 ·
Exactly Not a Homework Question, but something that I can't solve
- sastory
- · Replies 10 ·
Projectile Motion: Calculating Time, Speed, and Velocity of a Thrown Dart
- misogynisticfeminist
- · Replies 10 ·
How Does Changing Charge Magnitude and Distance Affect Electrostatic Force?
- hype_chicky
- · Replies 32 ·
How to Name a Compound with Both Double and Triple Bonds?
- Itachi
- · Replies 3 ·
How to Calculate Enthalpy Using Specific Heat Capacity and Mass
- courtrigrad
- · Replies 8 ·
Simple Harmonic Motion of a car's tires
- Bri
- · Replies 2 ·
Circumcenter poi (triangle) - confuced
- ssj-gohan
- · Replies 2 ·
Max Planck's Contributions to Physics. How does it apply to everyday life?
- AmberH
- · Replies 5 ·
Fundamental Frequency: Tension Force & Mass/Length
- Soaring Crane
- · Replies 2 ·
Special triangles and Unit Circles HELP
- aisha
- · Replies 20 ·
How to Calculate Electric Potential and Work for Multiple Charges?
- thursdaytbs
- · Replies 5 ·
Why does an object have kinetic energy even when it's not moving?
- courtrigrad
- · Replies 3 ·
Optimal Number of Passengers for Maximum Railroad Revenue
- courtrigrad
- · Replies 4 ·
Finding the charge given distance apart + some more
- thursdaytbs
- · Replies 5 ·
Help Needed: Determining Speed of Dart After Being Fired
- physicsgirl101
- · Replies 66 ·
Finding Solutions for a Complex Equation
- recon
- · Replies 12 ·
Resolving Ecuations with $\Psi$, $\vec{v}$, and $\nabla$
- Raparicio
- · Replies 2 ·
General Equation for an Ellipsoid
- tandoorichicken
- · Replies 2 ·
Maximizing Speed in Simple Harmonic Motion: Solving for Displacement
- Soaring Crane
- · Replies 2 ·
Answer: SHM: 45g Mass, .35m Amp - Speed Half Max Velocity
- Soaring Crane
- · Replies 2 ·
How'd this happen in my experiment?
- !Live_4Ever!
- · Replies 7 ·
Lens/Radius of Curvature Question
- johnwalton84
- · Replies 4 ·
Green fuktion on the wave operator in 1 dimension
- nobody2100
- · Replies 8 ·
Understanding Nabla Operator with Vector A
- Raparicio
- · Replies 3 ·
How Can You Show That Two Ships Will Collide Using Vectors?
- NinaL
- · Replies 4 ·
Solve Quadratic Equations: Find Coordinates of Turning Point
- footprints
- · Replies 7 ·
Finding x and y in a Right-Angled Triangle with Given Hypotenuse and Area
- footprints
- · Replies 6 ·
Simple Harmonic motion of particle on a table
- Clari
- · Replies 2 ·
Why Is the Moment of Inertia of a Uniform Disc 1/2MR^2?
- CuriousJonathan
- · Replies 11 ·
Can I Upload Images Here? Problem Solving for Non-Native English Speakers
- Nguyen Thanh Nam
- · Replies 4 ·
Resistance of n Resistors in Series & Parallel: Solve n,N & R
- metz143
- · Replies 2 ·
How Fast Must a Pion Travel to Cover 15 Meters Before Decaying?
- Eich
- · Replies 11 ·
Optimizing Distance for Swimming and Running Combination
- recon
- · Replies 15 ·
Finding the Coefficient of Friction: Wrong Answer and Need to Fix
- Port
- · Replies 8 ·
Help Quickly: Solve Coefficient of Kinetic Friction Problem
- Port
- · Replies 9 ·
Calculating Distance of an Electron Moving in a Plane Using Derivatives
- courtrigrad
- · Replies 4 ·
What is the derivative of (b^2*x^2 + x^2*y^2 = a^2*b^2) with given values?
- courtrigrad
- · Replies 7 ·
Help on some electric potential energy questions
- thursdaytbs
- · Replies 5 ·
Solve Cart Movement Problem: 32kg, 12N Force, 85N Child
- Port
- · Replies 24 ·
Does Vacuum Really Exist or Is It Just an Illusion?
- Zaimeen
- · Replies 37 ·
Sin cos problem finding exact value
- aisha
- · Replies 8 ·
How Does Thermal Expansion Affect the Tension in a Stainless Steel Band?
- ballahboy
- · Replies 5 ·
Solving Momentum Problems: Questions & Answers
- Beowulf
- · Replies 3 ·
Thermal physics How would I go about this one?
- benji
- · Replies 3 ·
Not sure how to approach problem
- Markd
- · Replies 55 ·
How do I evaluate this properly? Trig
- aisha
- · Replies 4 ·
Couldn't find a specific heat for coffee
- benji
- · Replies 13 ·
How to Determine Velocities After a Collision in a Physics AP Mechanics Problem?
- physicsgirl101
- · Replies 37 ·
Calculating Specific Heat Capacity of Nickel with Coffee Cup Calorimeter Method
- courtrigrad
- · Replies 10 ·
Calculating ∆H for a Chemical Reaction
- courtrigrad
- · Replies 7 ·
Volume of Solid w/ Semicircular Cross Sections in 1st Quadrant
- radtad
- · Replies 5 ·
How Do Doppler Effects Determine the Frequency of a Whistle in Motion?
- Jacob87411
- · Replies 4 ·
What Other Physics Concepts Can Enhance Your Understanding of Paintball?
- Cephalid-Hunter
- · Replies 3 ·
What Are Some Data Management Project Ideas on Environmental Issues?
- majinknight
- · Replies 2 ·
Physics (mechanics) AP Problem-involving kinetic energy of a moving object
- physicsgirl101
- · Replies 10 ·
What are some common misconceptions in thermodynamics?
- Kawrae
- · Replies 7 ·
Physical Explanation of a Pull-Back Car
- deanchhsw
- · Replies 3 ·
Force and Momentum: Calculating Final Velocity
- UrbanXrisis
- · Replies 8 ·
Need help:How to measure stress on a bridge.
- zyedy
- · Replies 3 ·
Can Consecutive Integers Minimize This Mathematical Expression?
- Pandaren
- · Replies 2 ·
[Early Phys. Science]: Speed Equation
- Jessi
- · Replies 4 ·
What Determines the Maximum Height of a Self-Supporting Column?
- Jacob87411
- · Replies 2 ·
Indirect Proofs: Shaping the Proof
- ConcealedDreamer
- · Replies 2 ·
Upthrust Question: 2 Conditions for Independence on Depth
- Zaimeen
- · Replies 3 ·
Is It Safe for a Painter to Walk to Both Ends of a Scaffold?
- Jacob87411
- · Replies 2 ·
Inclined Plane Friction Question
- pulau_tiga
- · Replies 2 ·
Heat capacity and viscosity in real life
- !Live_4Ever!
- · Replies 2 ·
Change of momentum and kinetic energy
- kgthatsme
- · Replies 4 ·
Help with Problem Moments: Calculate Steel Beam Deflection
- physkid
- · Replies 9 ·
Explanation of Bernouilli's principal of lift?
- xckycheezwhizx
- · Replies 4 ·
Solve Calc Problem: Find y if dy/dt=ky and k is a Nonzero Constant
- radtad
- · Replies 2 ·
Derivative of Force and Work in Respect to Time
- UrbanXrisis
- · Replies 32 ·
Where'd I go wrong (sound problems)
- Jacob87411
- · Replies 3 ·
Whats A Right Handed Triplet In Vectors ?
- coldfusion
- · Replies 2 ·
What Experiments Can I Do to Spark Interest in Physics for Teenagers?
- aviv87
- · Replies 2 ·
Help Equilibrium: Find the Best Position for Uphill Crate Support
- jocs_1116
- · Replies 2 ·
AP Physics Impulse Problem: Need Help
- BITI
- · Replies 11 ·
Question regarding gravitational potential
- Sanosuke Sagara
- · Replies 2 ·
Calculus based elementary physics
- GCT
- · Replies 2 ·
Solving Physics Forces Problem: Initial Force on 5 g. Marble
- deserthaze06
- · Replies 12 ·
Total energy; confusion with teacher's statement
- UrbanXrisis
- · Replies 11 ·
How to Determine Acceleration on a Frictionless Inclined Plane with Normal Axis?
- scuddman
- · Replies 10 ·
Calculating Table Torque to Tip Over: 36 kg Weight
- Jacob87411
- · Replies 2 ·
Finding Integers Divisible by 2, 3 or 5 - Solve Here!
- Physics is Phun
- · Replies 6 ·
Finding Specific Heat of 2 substances mixed
- cdhotfire
- · Replies 24 ·
Can Hess's Law be used to systematically manipulate chemical formulas?
- courtrigrad
- · Replies 7 ·
Angle of line of sight for a vertically lauched rocket
- ziddy83
- · Replies 4 ·
Calculate Interest Rate & Earnings: $150 -> $275 in 8yrs
- sp00ky
- · Replies 2 ·
How do I find the derivative of y using implicit differentiation?
- courtrigrad
- · Replies 6 ·
Population Problem: Solve for When 51003 in Brampton
- fomenkoa
- · Replies 8 ·
Computational Physics - Scaling
- secret2
- · Replies 4 ·
The question:Rewriting Series with Sigma Notation
- Mo
- · Replies 8 ·
Circular Moviment: Find Angle X Using L, M & w
- datatec
- · Replies 2 ·
Chemistry Problem- Burning Magnesium
- rasperas
- · Replies 4 ·
Solving a Calculus Question: Cone with Radius 5 ft & Height 10 ft
- hoedown_j
- · Replies 2 ·
How fast is the distance between two ships changing?
- courtrigrad
- · Replies 8 ·