Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
How Does Damping Affect the Frequency and Amplitude of a Harmonic Oscillator?
- e(ho0n3
- · Replies 1 ·
Conservation of energy of a dart gun
- Electro
- · Replies 10 ·
Impulse on a truck braking from 24.0 m/s to 10.4 m/s west
- butz3
- · Replies 2 ·
Rocket Motion: Solving the Rocket Equation for Lift-Off
- SlickJ
- · Replies 5 ·
A Question of De Broglie Waves?
- CollectiveRocker
- · Replies 2 ·
Check my integration work and help with problem 25
- EggNest
- · Replies 7 ·
What is the formula for velocity and acceleration?
- Katie
- · Replies 6 ·
How many revolutions does a diver make while falling from a cliff?
- BlackMamba
- · Replies 10 ·
Formulae for sums of first n even and odd integers
- Phoresis
- · Replies 10 ·
Boat speed after throwing bricks at once versus one at a time
- mfianist
- · Replies 2 ·
Calculating Scale Reading in an Accelerating Elevator
- IShouldBSurfing
- · Replies 2 ·
Power plant energy extraction and efficiency with cooling water
- gregbellows
- · Replies 2 ·
Can Prime Numbers x Satisfy x^2 = v^3 + 1?
- Pandaren
- · Replies 9 ·
Projectile Motion Help: Calculating Vo, V, Angle of Launch and Angle of Impact
- ballahboy
- · Replies 6 ·
How would i find the speed of the water
- Monsu
- · Replies 2 ·
Solving 3 Object Tension Problem with Frictionless Pulleys
- Whyren
- · Replies 10 ·
Prove DF² = AF·EF and BF = DF for tangent lines to a circle
- Anzas
- · Replies 4 ·
Minimum static friction problem
- AwesomeMan
- · Replies 2 ·
Where is the Center of Mass for a Semicircular Wire?
- physicsss
- · Replies 3 ·
Calculating Internal Energy Change in Isobaric Expansion
- nemzy
- · Replies 3 ·
Finding Vertical Distance of a Horizontally Thrown Ball at 45.08 m/s
- Warwick
- · Replies 2 ·
Ways for 6 girls to sit in 10 chairs with Sue and Sally together
- Dooga Blackrazor
- · Replies 12 ·
Solving the Ice Block Bullet Problem: Calculating Melting Quantity"
- nemzy
- · Replies 2 ·
What's the Hill Incline Angle Based on Car's Power Difference?
- NotaPhysicsMan
- · Replies 21 ·
What is the coefficient of friction and weight of the block?
- kimikims
- · Replies 3 ·
How Do You Calculate Acceleration and Speed of a Block on an Incline?
- DLxX
- · Replies 2 ·
Solving Equations with Multiple Variables
- Leaping antalope
- · Replies 6 ·
Block with pulley: why does the bottom block accelerate without friction?
- mewmew
- · Replies 5 ·
How Does Tension Balance Dirty and Laundered Money in Physics?
- VinnyCee
- · Replies 2 ·
What are some easy projectile experiments for 11th grade physics projects?
- star_nimmi
- · Replies 3 ·
Detailed problem I did need verification
- mad
- · Replies 5 ·
Find the integral of x/(x-1)^2 with respect to x
- Beretta
- · Replies 6 ·
Calculating the Radius of a Banked Curve Using Newton's Second Law
- mikep
- · Replies 6 ·
What Values of a Allow a Polynomial to Have Reciprocal Roots?
- Derivative86
- · Replies 6 ·
Bullet embedded in block with friction: find initial speed
- Gallium
- · Replies 8 ·
Solving Kinetic Energy Change in Inelastic Collisions
- buffgilville
- · Replies 2 ·
Epsilon in Simple Harmonic Oscillators
- mikeyman2010
- · Replies 4 ·
Law of conservation of energy problems
- FarazAli
- · Replies 4 ·
Calculating Spring Compression and Impact Speed of a Dropped Block
- 7C0A0A5
- · Replies 5 ·
Do conservative forces mean no external forces and is momentum conserved?
- justagirl
- · Replies 7 ·
Conservation of Energy and coefficients of friction
- chem07
- · Replies 3 ·
Project Ideas for Physics Class Vehicle Contest
- UrbanXrisis
- · Replies 2 ·
Linear approximation, implicit differentiation, and mean value theorem problems
- buffgilville
- · Replies 5 ·
Rather simple bouncing ball problem average acceleration
- Godad
- · Replies 2 ·
Pendulum tangential acceleration, torque, and rotational dynamics
- rememberww2
- · Replies 2 ·
Static and kinetic friction, tension, and equilibrium problems
- Kadaj
- · Replies 2 ·
What Are the Values for Which H(x,y) Always Equals y?
- Chu
- · Replies 1 ·
Finding derivatives and critical points for two functions
- buffgilville
- · Replies 2 ·
How Strong is the Gravitational Pull Between Tom and Sally?
- kimikims
- · Replies 5 ·
Vector formulas and how to apply them in problems
- TuRbOxChAz
- · Replies 4 ·
What is the initial velocity of the stone?
- buffgilville
- · Replies 2 ·
Planar Kinetics of a Rigid Body
- jjiimmyy101
- · Replies 6 ·
Solving for an x^2+y^2=Ae^x Circle Passing Through (0,1)
- Phyphy
- · Replies 2 ·
Helicopter rescue and curved runway particle problems
- Winner
- · Replies 2 ·
Isn't this weird? (convergence of a sequence)
- quasar987
- · Replies 5 ·
Angular and Tangential Variables
- BlackMamba
- · Replies 3 ·
How can I calculate the time it takes to walk up a working escalator?
- Phyzix
- · Replies 2 ·
Finding force between two charges and resistance of a heating element
- Farside
- · Replies 3 ·
How do you use the pow function from math.h?
- tandoorichicken
- · Replies 2 ·
Simplifying complex fractions with nested division
- Dooga Blackrazor
- · Replies 7 ·
Spaceship Mission: Vector Functions for Flight from (1,2,3) to (4,7,5) in 1 Hour
- matpo39
- · Replies 2 ·
What Is the Meaning of Finding a Wheel's Moment of Inertia About an Axis?
- jjiimmyy101
- · Replies 2 ·
How do I solve these integration review questions on volumes and applications?
- FancyNut
- · Replies 4 ·
Why Does My Calculation of Water's Temperature Change Give the Wrong Result?
- punk_rawk_jazz
- · Replies 2 ·
Significant figures in Beer's law calculation with colorimeter data
- mad
- · Replies 3 ·
Car braking problem: finding speed after going 1/3 of stopping distance
- jhson114
- · Replies 6 ·
Calculating Improper Integral of x^3/(x^4-3)^1/2
- FancyNut
- · Replies 3 ·
Torque from jet engine weight with 9300 N force
- BlackMamba
- · Replies 8 ·
How to Calculate Space Station Rotation Frequency?
- Purduenub03
- · Replies 2 ·
Can the Frequency of Oscillations Measure Fluid Density in a Loaded Test Tube?
- garytse86
- · Replies 4 ·
A philisophical Heisenberg and Zeno question
- wolf921
- · Replies 3 ·
Birth Ratio Problem: Rabbit Population Triples
- Phyphy
- · Replies 3 ·
Calc Average Total Force for 50kg Cyclist on 1km Hill
- jenc305
- · Replies 6 ·
What is the distance to the nucleus when the particle's velocity is zero?
- photon_mass
- · Replies 2 ·
Work and Kinetic Energy equation
- Spectre5
- · Replies 8 ·
Solving Collision Problem: Finding Speeds of Balls After Impact
- lmf22
- · Replies 3 ·
Introductory physics textbooks and resources for college
- aec2003
- · Replies 6 ·
How to Calculate Efficiency and Heat Rejection in an Engine?
- jin
- · Replies 4 ·
Restricting Coefficients in a General Second Degree Equation
- Khan86
- · Replies 3 ·
How Do You Solve Rocket and Escalator Motion Problems?
- Phyzix
- · Replies 5 ·
Calculating Acceleration and Angle on a Frictionless Air Track
- jenc305
- · Replies 2 ·
Calculating Force Exerted by 1000kg Car on 450kg Trailer
- dabouncerx24
- · Replies 4 ·
Solving "6. [SFHS99 5.P.60.]" Physics Problem
- splinter
- · Replies 8 ·
Solving for Velocity and Mass in an Elastic Collision
- lmf22
- · Replies 2 ·
Concentric cylinders and grounding
- Allday
- · Replies 2 ·
Magnetic Field Due to a Circular Loop
- JamesL
- · Replies 2 ·
Calculating Rotation Speed for Artificial Gravity on a Rotating Space Station
- SnowOwl18
- · Replies 12 ·
If ia charge is placed inside a conductor, is the electric field inside zero?
- stunner5000pt
- · Replies 2 ·
Need a setup for a fiction problem
- Kadaj
- · Replies 2 ·
Find mean distance from asteroid Icarus to the sun
- SnowOwl18
- · Replies 6 ·
Help: Solve Kinetic Energy of Pushing Piano up an Incline
- buffgilville
- · Replies 5 ·
Rotational Motion of a long pole
- Skomatth
- · Replies 2 ·
Calculating Kinetic Energy Change of Earth's Orbit
- lmf22
- · Replies 2 ·
Calculating the Resultant Force at J
- Kdawg
- · Replies 3 ·
Block sliding down 50° ramp with opposing rope force
- AtlBraves
- · Replies 3 ·
Best Physics AP Books for High School Students?
- Kadaj
- · Replies 18 ·
Finding acceleration from scale reading in an elevator
- benji
- · Replies 5 ·
Help Needed: Solving Golf Ball Kinetic Energy Problem
- miranda82
- · Replies 5 ·
Solving a Grade 12 Physics Problem: Pulling vs Pushing a Heavy Box
- JimmyRay
- · Replies 3 ·
GAIN and IMPEDANCE of a complex Circuit
- JamesJames
- · Replies 2 ·