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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Acceleration versus time graph - constant increase in acceleration
- UrbanXrisis
- · Replies 2 ·
Solving for Acceleration: Mass, Air Resistance, and Cliff Falls
- shawonna23
- · Replies 2 ·
How Does Fraunhofer Diffraction Prove the Equation y = R * m * (wavelength) / a?
- relinquished™
- · Replies 2 ·
Shot Put Physics: Solving for Angle and Distance | 12m/s Velocity, 2.0s Air Time
- Blassemer
- · Replies 13 ·
Force exerted on car by rope pushed perpendicular at midpoint
- Windwaker2004
- · Replies 19 ·
Max. height and range problem I can't crack
- DuffBeer
- · Replies 7 ·
Help choosing a final year physics experiment with predictions and variations
- rattis
- · Replies 4 ·
Easy physics thinking question (conservation of momentum)
- airkapp
- · Replies 3 ·
What Angles Should the Nozzle Point to Reach 3.0m?
- lmf22
- · Replies 2 ·
Position vector of a sinking ship relative to a rescue plane in 3D
- 3.14159265358979
- · Replies 3 ·
Production levels for three-industry input-output model
- wmosley
- · Replies 1 ·
Finding theta bounds for hemispheric integral in spherical coordinates
- cepheid
- · Replies 2 ·
What Minimum Force Moves the Bar?
- ambuj123
- · Replies 2 ·
Magnitude and direction for the total gravitational force
- Fused
- · Replies 11 ·
What force, in Newtons, does the wood exert on the bullet?
- Whatupdoc
- · Replies 2 ·
Arrow shot from bow at 26 m/s, what speed if force is doubled?
- BlackMamba
- · Replies 13 ·
How do I find the remainder and an N value for a sequence approaching 2/3?
- courtrigrad
- · Replies 13 ·
Estimating spacecraft momentum change from asteroid flyby
- teclo
- · Replies 2 ·
Velocity and Distance while skiing
- Rick A. Joseph
- · Replies 2 ·
Statics exam problem 2 help needed
- eedayspa
- · Replies 2 ·
Graph of Electric Potential vs. Function
- fresh
- · Replies 3 ·
Finding max displacement of spring oscillator with speed and spring constant
- punjabi_monster
- · Replies 4 ·
Matrix Rotation: Does A Represent a Rotation?
- fresh
- · Replies 2 ·
Solve Unknown Variables: f(x)=x^3+Ax^2+Bx-3
- UrbanXrisis
- · Replies 2 ·
John's Loan: $1,000.00 Discounted at 10% for 6 Months
- wmosley
- · Replies 2 ·
GRE 75, orbits, satellites and their periods
- quantumworld
- · Replies 2 ·
Finding t in a Quadratic Equation with Two Variables
- tony873004
- · Replies 3 ·
How Long Does It Take for a Dropped Book to Hit the Elevator Floor?
- tony873004
- · Replies 11 ·
Solve Motion Problem: 50m Dropped Camera in 2.0m/s Descent
- mikep
- · Replies 2 ·
Raindrops relative to car and projectile motion help
- SnowOwl18
- · Replies 2 ·
Centripetal acceleration and rotation rate of astronaut in centrifuge
- Chrisb6987
- · Replies 2 ·
Solve Trigonometry Problem 0 <= Θ <= 180
- Antagonist
- · Replies 2 ·
Solve Dynamics Problem - Find Radius of Curvature of Track
- jam12345
- · Replies 6 ·
How Do You Calculate the Initial Velocity in Horizontal Projectile Motion?
- Physics_Newbie
- · Replies 4 ·
How can equations solve moments and equilibrium problems?
- OsiriS^
- · Replies 4 ·
If potential is constant in a region, must the electric field be constant?
- Physicsisfun2005
- · Replies 6 ·
Find the magnitude of the horizantal force
- dg_5021
- · Replies 2 ·
Solve Max Mass for 3 Masses, 1 Pulley System
- Elbhi
- · Replies 3 ·
How Do I Find Scalars, Unit Vector, and Direction of Resultant Vectors?
- Amil
- · Replies 2 ·
Average speed and velocity for a round trip
- UrbanXrisis
- · Replies 34 ·
Circuit Problem: Finding the Correct Solution for a Voltage Calculation
- ninaricci
- · Replies 2 ·
Circular motion: gravitational field, humpback bridge, and banked road
- saltrock
- · Replies 7 ·
Camera dropped from descending hot air balloon at 50 m
- mikep
- · Replies 3 ·
How Does Gravitational Attraction Affect Potential Energy of Spheres in Space?
- airkapp
- · Replies 10 ·
Simple Equation: Find the Roots of 2x+3√(3x-5)=5 using Algebraic Manipulation
- Maskotti
- · Replies 2 ·
How Do Horseshoe Magnets Create Induction Lines Without Contact?
- franz32
- · Replies 7 ·
Two cork balls of mass .2g hang physics problem
- deltabourne
- · Replies 16 ·
Find dx in a Complex Integration Problem: Anti-Derivative of Cos(2x)
- Whatupdoc
- · Replies 2 ·
Calculating Geostationary Orbit for a 700kg Meterological Satellite
- josephcollins
- · Replies 3 ·
Determining N(i) of a Hydrogen Electron Transition
- DennisG
- · Replies 2 ·
How Do Stacked Boxes Affect Normal Force Calculations?
- physicsss
- · Replies 2 ·
Derivative of f: Finding the Derivative of \sqrt{x}(2x-7)
- Dantes
- · Replies 3 ·
How Much Internal Energy Increases in a Damped Oscillating System?
- jimithing
- · Replies 3 ·
Motorcycle jumping over buses at 30 m/s and 18.2°
- BlackMamba
- · Replies 5 ·
Particle in a BOX - what are allowed momenta?
- student1938
- · Replies 4 ·
Kinematics in 2D with projectile motion and planes
- lotusbloom
- · Replies 3 ·
Calculating Net Power for a Heat Pump Cycle
- eku_girl83
- · Replies 2 ·
Integrations and derivatives in physics
- Shay10825
- · Replies 25 ·
Find equation of circle through points A(0,8), B(0,6), C(0,0)
- Wasper
- · Replies 7 ·
Creating a Projectile Motion Device: Ideas and Inspiration for a Physics Project
- literati
- · Replies 3 ·
Instantaneous velocity expression
- UrbanXrisis
- · Replies 7 ·
Finding initial and final n for hydrogen absorption at 4055 nm
- needhelpperson
- · Replies 2 ·
How far does a phasor pistol fall in 2 tocks?
- Omid
- · Replies 2 ·
Average Speed/Average Velocity Problem
- pitchharmonics
- · Replies 4 ·
Solving a Simple Log Problem: 4^x + 4^-x = 5/2
- courtrigrad
- · Replies 4 ·
Calculating Original Speed and Acceleration in 1D Motion
- ramin86
- · Replies 2 ·
Can the Numerical Value of Sin or Cos be Derived Without a Calculator?
- haribol
- · Replies 5 ·
How Do You Determine CscØ with CosØ and TanØ?
- Poweranimals
- · Replies 39 ·
What is the minimum speed required for a car to safely navigate a banked curve?
- Musiq
- · Replies 7 ·
Superposition of 2 waves problem
- paul11273
- · Replies 5 ·
What Is the Optimal Selling Price for a Paint Mixture with 17.0% Pigment?
- jimithing
- · Replies 3 ·
Help identifying a hand-drawn graph
- Poweranimals
- · Replies 5 ·
Projectile motion and neutron star rotation problems
- winlinux
- · Replies 6 ·
Finding angles between a vector and coordinate axes with dot product
- Amil
- · Replies 13 ·
Finding resources on engineering uses of lasers
- Shahil
- · Replies 3 ·
Optics Diffraction Problems: Finding Maximum Intensity Angles and Slit Widths
- franz32
- · Replies 1 ·
How Far is Earth from the Sun if Light Takes 8.3 Minutes to Travel?
- puregoodboi
- · Replies 6 ·
Why Is My Calculation of Silver Isotope Abundance Incorrect?
- BrianC
- · Replies 3 ·
Logic problems involving quantifiers
- eku_girl83
- · Replies 2 ·
Solving 3D Momentum Problem: Find Piece Velocity & Direction
- antiflag403
- · Replies 3 ·
Divergentce sentence of gaus prove for spesific pyramid
- ori
- · Replies 2 ·
Solution to Griffiths introduction to EM problem 2.26
- question2004
- · Replies 4 ·
Solving ln(t+1) - t = (-ln399)/4: Need Advice
- fresh
- · Replies 2 ·
Calculating Earth-Sun Distance from Velocity and Time
- puregoodboi
- · Replies 11 ·
How to find a triangle angle when all three sides are known
- Poweranimals
- · Replies 3 ·
How Do You Calculate Displacement Components in Physics?
- kimikims
- · Replies 13 ·
Resultant displacement with multiple segments
- Kdawg
- · Replies 4 ·
Multiple pulleys is driving me crazy
- Alora
- · Replies 5 ·
When is sin increasing and cos decreasing from -2π to 2π?
- 404
- · Replies 2 ·
How do you use the squeeze law of limits to find a limit involving a third root?
- Monsu
- · Replies 4 ·
How to calculate algorithm running time for different input sizes
- EvLer
- · Replies 7 ·
Maximum speed around a curve with oil on the road
- TraceBusta
- · Replies 10 ·
Difficult Kinematic Range Problem
- 0aNoMaLi7
- · Replies 2 ·
Some Issues with Projectile Motion
- BlackMamba
- · Replies 5 ·
Kinematics In One Direction Problem
- Mazero
- · Replies 3 ·
Plane velocity relative to ground with wind
- helplessstudent
- · Replies 3 ·
Domain and range of f(x) = 4x + 3 for x > -2
- XSurferXe
- · Replies 2 ·
Two cars, one accelerating and one
- Omid
- · Replies 10 ·
Calculating Train Speeds Using Classical Relativity
- stunner5000pt
- · Replies 5 ·