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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Im just not getting these force things
- HobieDude16
- · Replies 19 ·
What is the rotational kinetic energy of one molecule of Cl2
- Kawrae
- · Replies 4 ·
Understanding Binomial Coefficients: Finding the r-th term formula
- gschjetne
- · Replies 2 ·
Rearranging T = 2π√(m/k) to solve for spring constant k
- Jack_Legacy
- · Replies 7 ·
Lewis structure for ClF and when to use triple bonds
- Shay10825
- · Replies 37 ·
Does Every Point of R Exist as an Accumulation Point in a Sequence?
- Kraziethuy
- · Replies 2 ·
Insanely vague thermodynamics question
- freemind
- · Replies 42 ·
Theory of relativity - spacetravel
- Linda
- · Replies 5 ·
Tarzan swinging on a vine with Jane releasing mid-swing
- Port
- · Replies 6 ·
Finding charge on suspended water drop in electric field
- thursdaytbs
- · Replies 2 ·
Equations of Tangent Lines Passing Through Point P(5,5) for y = x^2 - 4
- courtrigrad
- · Replies 13 ·
What Are Examples of Discontinuous Functions and Their Properties?
- Kraziethuy
- · Replies 4 ·
What is the wavelength of a photon that has energy of 2.10eV
- Lorax
- · Replies 28 ·
Is the punter doing work on the football during and after contact?
- stephenthe1
- · Replies 7 ·
Gas in piston-cylinder system with weight and heating
- cdhotfire
- · Replies 5 ·
Tarzan swinging on a 30m vine at 37° angle
- Port
- · Replies 7 ·
How Do Sound Waves Interfere When Two Trumpets Play Together?
- sp00ky
- · Replies 2 ·
Practice assignment review: kinematics, energy, collisions, fields
- butz3
- · Replies 2 ·
Pressure in a tornado and net force on a door
- jai6638
- · Replies 3 ·
Position vector for particle on circle with radius 3.35 m
- atlbraves49
- · Replies 6 ·
Can you evaluate sin(-15 degrees) without using a special triangle?
- aisha
- · Replies 17 ·
Simple harmonic motion and time
- nemzy
- · Replies 6 ·
How Do String Length and Tension Affect Vibration Frequency and Wave Patterns?
- Soaring Crane
- · Replies 2 ·
How Does Heine's Theorem Relate to Calculating Limits?
- twoflower
- · Replies 2 ·
Can Two Masses Whirl Exactly on a Horizontal Line with Equal Angular Velocities?
- stunner5000pt
- · Replies 3 ·
Is a Subset of a Linearly Dependent Set Linearly Dependent?
- EvLer
- · Replies 9 ·
Why do resistors in parallel not follow the trend?
- markm
- · Replies 4 ·
Graphing the Derivative of y = x^4 + 2x^3 + x^2 + 6
- courtrigrad
- · Replies 8 ·
Calculating Well Depth Using the Speed of Sound
- ramollari
- · Replies 13 ·
Thermodynamics - Weighing an aquarium
- jai6638
- · Replies 3 ·
Probability of r heads in n fair coin tosses
- Ryoukomaru
- · Replies 3 ·
Analysis of Rectangular Loop in Uniform Magnetic Field
- Ganesh
- · Replies 9 ·
How explicit must the induction step be for the sum of squares formula?
- Benny
- · Replies 3 ·
What Is the i,j Form of a Vector?
- HawKMX2004
- · Replies 3 ·
How Do Sound Waves Affect Emergency Responses and Wave Motion Calculations?
- Shay10825
- · Replies 3 ·
How Does Physics Explain These Real-World Scenarios?
- Affirmed
- · Replies 7 ·
Calculating Angular Velocity and Retarding Couple in Rotational Kinematics
- Clari
- · Replies 3 ·
Tension in a rope pulled by two boys with 40N forces
- Azeri
- · Replies 2 ·
Two theory questions involving Earth/Moon. Should be easy for you guys.
- DLxX
- · Replies 4 ·
How do Newton's laws of motion relate to conservation of energy?
- UrbanXrisis
- · Replies 15 ·
Derivative of integral with variable upper limit and logarithm with variable base
- Yapper
- · Replies 13 ·
Two pairs in poker dice: why is my count twice the expected answer?
- cepheid
- · Replies 4 ·
Verifying Sum Difference Formula Results
- aisha
- · Replies 2 ·
Velocity related to force of friction
- UrbanXrisis
- · Replies 6 ·
Understanding Electron-Optic Biprism Phenomenon in Electron Microscopes
- meteorologist1
- · Replies 5 ·
Football bouncing off a vase collision problem
- Beowulf
- · Replies 7 ·
Solving Magnet Problems: Minimum Magnetic Field for Horizontal Northward Motion
- wisper
- · Replies 3 ·
Projectile motion - time taken to hit the ground
- xckycheezwhizx
- · Replies 2 ·
How to Calculate Time Required for Investment to Quadruple at 7.1% Interest
- courtrigrad
- · Replies 6 ·
Determine Value of Trig Functions
- aisha
- · Replies 6 ·
Finding spring length when mass is removed using Hooke's Law
- catch.yossarian
- · Replies 2 ·
Solving for Cotangent using Cosine and Pi
- aisha
- · Replies 16 ·
Theorems for maximum sums of reciprocals and inscribed polygon areas
- recon
- · Replies 4 ·
Calculating Projectile Velocity in Russian Roulette: Bill Bored's Risky Game
- ccf788
- · Replies 2 ·
Exam Practice Problems: Solving for Time, Speed, and Velocity
- burg
- · Replies 5 ·
Probability of needing n rolls to get a sum greater than 8 with dice
- KingNothing
- · Replies 5 ·
Really needed info. Saprkling Ice?
- PhrozenDS
- · Replies 3 ·
Kinematics Rolling motion off a cliff
- Varaia
- · Replies 4 ·
Asset Market and Arrow-Debreu equilibrium
- TonyAlmeidaAtLSE
- · Replies 2 ·
Binomial distribution smallest value
- bob4000
- · Replies 2 ·
How Do You Derive the Derivative of y=sin^3(1-2x)?
- kreil
- · Replies 3 ·
Question regarding alternating current
- Sanosuke Sagara
- · Replies 2 ·
Geometry: several problems. Try
- Nguyen Thanh Nam
- · Replies 2 ·
Find velocity of puck and octopus
- Kdawg
- · Replies 4 ·
How transformers actually operate
- sp00ky
- · Replies 7 ·
Finding coefficient of friction and normal force in two problems
- claralax
- · Replies 12 ·
Solving Magnetism Problems: Selecting Variables for Data Table
- Lorax
- · Replies 2 ·
Divergence Theorem for the Curl
- meteorologist1
- · Replies 11 ·
How to solve P(0 < z < a) = 0.2 for a
- ms. confused
- · Replies 2 ·
What do n, q, and v represent in the current formula I=nqAv?
- Yapper
- · Replies 6 ·
Time dilation: cyclist at 19.999 m/s must age less than stationary observer
- Exulus
- · Replies 25 ·
Spring with constant k cut in two
- vancoland
- · Replies 4 ·
Why is the derivative of x ln x equal to 1 + ln x?
- Shay10825
- · Replies 24 ·
Paris Gun projectile motion at 55 degrees
- BlasterV
- · Replies 8 ·
Question on Waves: Pulse Scattering in Dispersion Medium
- orange
- · Replies 4 ·
Maximizing container volume by cutting corner squares from sheet metal
- Sombra
- · Replies 14 ·
How to build a mousetrap car for physics exam
- Tabe
- · Replies 2 ·
Calculating Final Temperature: Enthalpy of Fusion vs Specific Heat
- bomba923
- · Replies 4 ·
Calculating Resistance Force of a Car Driven at 76km/h with 48 kW Engine Power
- darkys
- · Replies 5 ·
Stefan-Boltzman's radiation law problem
- steveurkell
- · Replies 2 ·
How do you calculate r in the centrifugal force equation?
- Lorax
- · Replies 6 ·
Find the maximum frequency for which the block and piston will be in contact
- radtad
- · Replies 2 ·
Solve Word Problem: Jane Running at 5.6 m/s, How High Can She Swing?
- ccf788
- · Replies 2 ·
Chemistry problem solving (neutralisation)
- A_I_
- · Replies 2 ·
What Interesting Math Topic Can a Grade 12 Student Teach for a Class Project?
- Parth Dave
- · Replies 6 ·
Frequency of Train Whistles: 3.70 Hz
- Kawrae
- · Replies 2 ·
Proving 2^n < n! using Induction: Where to Start?
- joshanders_84
- · Replies 3 ·
Finding the Maclaurin series for sum of tan(x/2^n)/2^n
- DivGradCurl
- · Replies 1 ·
What is the speed of a proton after moving in a uniform electric field?
- NeoKrypt
- · Replies 2 ·
Giancoli 5th Edition Solutions Ch 13 - Get Answers Now
- Arlamos
- · Replies 2 ·
How Do You Find Displacement, Velocity, and Acceleration in Oscillatory Motion?
- nemzy
- · Replies 4 ·
Calculate b/2m for Damped Oscillations of 1.00 m Pendulum at 18.0°
- nemzy
- · Replies 3 ·
Finding tension in a rope swinging an object in a circle
- JWest
- · Replies 2 ·
How to find increasing and decreasing intervals of a biquadratic function?
- courtrigrad
- · Replies 3 ·
Find cos(θ-β) given csc θ=-17/15 and cot β=-3/4
- aisha
- · Replies 13 ·
How do I determine the area within 0.5 standard deviations of a given z-value?
- ms. confused
- · Replies 2 ·
Finding period and amplitude of driven oscillator with damping
- nemzy
- · Replies 3 ·
Solving for Tangential Speed of a Uniform Bar
- wlvanbesien
- · Replies 4 ·
Rotational Motion/Angular Momentum
- PhysicsNewb
- · Replies 2 ·