Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Law of conservation of momentum
- FarazAli
- · Replies 4 ·
Energy Problems (Help Greatly Needed)
- Double A
- · Replies 2 ·
Physics Hwk Problem: Centripetal Acceleration
- shawonna23
- · Replies 3 ·
What Is the Work Done by Gravity on a Falling Raindrop?
- ramin86
- · Replies 6 ·
Express g(x) as g(x) = -2x2+ 0x + 1
- Phoresis
- · Replies 12 ·
Calculating Work, Potential Energy, and Kinetic Energy of a Block on an Incline
- justagirl
- · Replies 2 ·
What is the angular displacement of a rolling ball falling from a height?
- shawonna23
- · Replies 2 ·
What is the meaning of this subspace notation?
- jbmap
- · Replies 2 ·
Final Speeds After 2-Dimensional Collision
- skonstanty
- · Replies 8 ·
Help, Parametric and vector eqns of a lines
- saady87
- · Replies 3 ·
Implementation of Bayes law(probabilities)
- dionys
- · Replies 2 ·
Finding Moment of Inertia for a Uniform Thin Solid Door
- jmf322
- · Replies 3 ·
Solve Rate of Change for Spherical Balloon Radius: 500 cc/min
- bjr_jyd15
- · Replies 2 ·
How Do You Calculate the Rate of Water Rise in a Varying Depth Pool?
- Alethia
- · Replies 2 ·
Calculate Body Heat Loss & Time to Compensate with Help from Physics Experts
- mlee
- · Replies 4 ·
What Minimum Force Is Needed to Prevent a Block from Sliding on a Vertical Wall?
- IShouldBSurfing
- · Replies 2 ·
Calculating Torque of a String Attached to an Iron Bar
- buffgilville
- · Replies 2 ·
Tough Integration Problem involving flow from a tank
- alonzo
- · Replies 2 ·
Conservation of linear momentum stationary block
- skaring
- · Replies 2 ·
Solving Gauss's Law Problem for a Solid Cylinder
- purplex76
- · Replies 6 ·
Max Compression & Final Velocities of 2 Blocks After Collision
- physicsss
- · Replies 2 ·
Capacitance, Charge Density, and Young's Modulus
- ZedLeppelin
- · Replies 1 ·
Is My Proof for Probabilities and Independence Correct?
- dionys
- · Replies 2 ·
Solving this limit without a calculator
- Shay10825
- · Replies 23 ·
Solving Vectors Problem: Proving Collinearity
- Karate Chop
- · Replies 2 ·
Isobar Decay: 37Ar to 37Cl with Calculated Q Value (Neglecting Electrons)
- coregis
- · Replies 2 ·
Solving a Physics Problem on Position vs Time Graph of Harmonic Motion
- dudgey
- · Replies 3 ·
Free-body diagram to identify the forces acting on the car
- kimikims
- · Replies 7 ·
Angular velocity of a ferris wheel
- kimikims
- · Replies 5 ·
Calculating Speed at Top of Vertical Circle
- kimikims
- · Replies 4 ·
Solve Work Problem: 2.03 mol He, 295 K, 0.350 atm to 1.00 atm
- nemzy
- · Replies 2 ·
How Do Forces and Friction Affect Block Acceleration?
- Naeem
- · Replies 9 ·
Are Kinetic Energy and Gravitational Potential Energy Inversely Proportionate?
- JimmyRay
- · Replies 5 ·
Help with a geometric interpretation of the following
- Ed Quanta
- · Replies 2 ·
Hydrostatic Force & It's Location on a Plate
- SheCanBuild
- · Replies 2 ·
Another universal gravitation question
- JimmyRay
- · Replies 4 ·
About the uniform circular motion
- achulovex
- · Replies 2 ·
Can the Velocity of an Electron be Determined by a Change in Potential Energy?
- ACLerok
- · Replies 7 ·
How is normal stress measured in biological tissues?
- chusifer
- · Replies 5 ·
What Factors Influence Centripetal Motion and Acceleration?
- dekoi
- · Replies 5 ·
Ski-Tow question - Work and Power
- sinisterlink
- · Replies 2 ·
How Does Wind Affect the Flight Path and Duration of an Aircraft?
- sunshinegirl
- · Replies 2 ·
Geographic Profiling Using Cyclic
- dekoi
- · Replies 2 ·
Determining Linear Independence: v1, v2,...vn, n≥4
- grapnell
- · Replies 9 ·
Calculus Help: Differentials (Rates)
- buffgilville
- · Replies 6 ·
Diagram the vector combinations on graph paper
- Beowulf
- · Replies 2 ·
Why Does an Airplane Pilot Experience Limits on Radial Acceleration?
- kimikims
- · Replies 5 ·
Phase Angle in Harmonic Oscillators: What Does It Measure?
- photon_mass
- · Replies 8 ·
How Do You Solve ln x + ln(x+1) = 7?
- vt33
- · Replies 4 ·
Calculating Current in a Series Circuit with Different Bulb Resistances
- Romperstomper
- · Replies 2 ·
Does straight lines have slopes of tanget?
- Tanya Back
- · Replies 4 ·
Need Help with Algebra Story Problem - Big and Little Jesse Walking
- GuMdRop
- · Replies 2 ·
Solving Momentum Problems in Ice Skating Collisions
- decamij
- · Replies 4 ·
Solve a Problem: Find a Whole Number w/ Sum of 2 Largest Factors = 340
- dibilo
- · Replies 2 ·
Local Approximation Mistake: g'(2.5)=-3
- UrbanXrisis
- · Replies 4 ·
Handling User Input Errors in C: Looping and Checking for Numeric Range
- Juntao
- · Replies 3 ·
Solving a Coin Drop Problem - Need Help
- doxigywlz
- · Replies 6 ·
Understanding Young's Experiment: Intensity Levels at Central Maximum Explained
- Sanosuke Sagara
- · Replies 2 ·
Obtaining Coefficients and Uncertainties for a Least-Squares Parabola
- diegojco
- · Replies 3 ·
Calculating Friction Forces on a Lab Table
- Naeem
- · Replies 23 ·
How Does a Salad Spinner Utilize Centripetal Force?
- soccerjayl
- · Replies 2 ·
Find Force of Friction for 990 kg Car on 4° Incline
- kimikims
- · Replies 2 ·
Tension and Forces Question: Need Help with a Challenging Problem
- Calgria
- · Replies 2 ·
Solving the Normal Force of a 74 kg Chemistry Student on a Ferris Wheel
- Naeem
- · Replies 4 ·
What is the acceleration of the mass if T1 is increased by 1.4 N?
- Naeem
- · Replies 3 ·
Solve Neutron Flux Problem with 27Al(p, 3pn)24Na Reaction
- coregis
- · Replies 1 ·
Why Doesn't S_n Converging to 1 Mean the Series Diverges?
- FancyNut
- · Replies 3 ·
Calculating Spring Constant: 7.00 kg Mass on Vertical Spring Scale
- ElectricMile
- · Replies 7 ·
Proving Orthogonality of Product of Matrices
- Hypnotoad
- · Replies 5 ·
Calculating Projectile Speed in Terms of k, s, m, g, y, and H
- ElectricMile
- · Replies 5 ·
Understanding Electron Motion in the Thomson Model of the Atom: Where to Begin?
- CollectiveRocker
- · Replies 2 ·
How does the mass of a string affect the period of a pendulum?
- ptrainerjoe
- · Replies 2 ·
Why Do Bouncing Balls Lose Height While Upholding Energy Conservation?
- butz3
- · Replies 2 ·
How can I design a lab to demonstrate F=ma using masses and pulleys?
- sarahowen
- · Replies 2 ·
How Do You Solve These Physics Homework Problems?
- surma884
- · Replies 2 ·
Is AvB Equivalent to Av~~B in Logical Proofs?
- tink
- · Replies 2 ·
Solving Falling Objects with Formulas: Help Needed!
- Spdmnky
- · Replies 2 ·
How Do Volcanic Eruptions and CFCs Influence Global Warming?
- Math Is Hard
- · Replies 4 ·
What is the Fermi-Dirac distribution function at T=0K?
- tyco05
- · Replies 4 ·
How Far Will a Coin Roll Before Stopping?
- ruck101
- · Replies 6 ·
Newton's 2nd Law and a rolling ball
- alikat785
- · Replies 2 ·
How Long Until Mass Reaches 0.05m in Oscillatory Motion?
- scan
- · Replies 3 ·
Double KE, what happens to velocity
- justinbaker
- · Replies 2 ·
Help with Riemann-Lebesgue theorem pls
- fourier jr
- · Replies 2 ·
What is the Electric Field at the Surface of the Wire and Cylinder?
- stunner5000pt
- · Replies 3 ·
How Do You Calculate Rocket Acceleration with Limited Information?
- FancyNut
- · Replies 5 ·
Potential Difference of Electrons and Balmer Series
- CollectiveRocker
- · Replies 3 ·
Solving for Block's Acc, Kinetic Friction, and Speed
- Frosty_TAW
- · Replies 4 ·
Inverse Square Law: Solving a Question with Door Dimensions
- dura
- · Replies 2 ·
Projectile Motion of a golf ball off a cliff
- TaurenOfBlight
- · Replies 5 ·
Rotational speed versus linear motion problem
- Enoch
- · Replies 12 ·
Topology Q: Proving Local Property of Regularity, Complete Reg., Tychonoff
- cogito²
- · Replies 5 ·
Calulus Help: Mean Value Theorem
- buffgilville
- · Replies 3 ·
Can a Charged Particle's Circular Trajectory Be Proven with Newton's Second Law?
- SoberSteve2121
- · Replies 3 ·
Help With a Frictionless Ramp and Physics Concepts
- butz3
- · Replies 2 ·
What Is the Final Direction and Speed of Each Billiard Ball After Collision?
- physicsss
- · Replies 4 ·
Creating a Normal Model with Death Rates by Year
- Shay10825
- · Replies 2 ·
Calculating Power Use on a Hill with Air Resistance and Friction
- Simonpe
- · Replies 4 ·
Chain sliding off the edge of a table
- gaborfk
- · Replies 9 ·
What is the value of K that makes x+y=K perpendicular to the curve y=x^2?
- furkang
- · Replies 2 ·