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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Finding arc length of a parametric curve with x=√5sin(2t)-2 and y=√5cos(2t)-√3
- mugzieee
- · Replies 3 ·
Spherical capicator w/ dielectric
- genxhis
- · Replies 2 ·
How can I measure altitude from a pendulum's period?
- sebasalekhine7
- · Replies 5 ·
How Do I Solve This Initial Value Problem Using a Given Solution Function?
- BlkDaemon
- · Replies 2 ·
Proving Convergence of a Sequence with Upper Bound of 2
- lokisapocalypse
- · Replies 7 ·
Is My Calculation of Light Refraction and Wavelength in Water Correct?
- Bri
- · Replies 3 ·
Finding error in circuit analysis solution
- Sanosuke Sagara
- · Replies 2 ·
Integrating 4/(e^x - 2)^2
- pnazari
- · Replies 2 ·
Gravity waves on the moon and detecting a liquid core
- furtivefelon
- · Replies 2 ·
Solving inequality with absolute values |3x-2|<=x+1
- gillgill
- · Replies 14 ·
Positive Slopes: Satisfying the Logic
- ktpr2
- · Replies 2 ·
Solve Gauss's Law: Electric Flux Through Sphere from Line Charge
- sisigsarap
- · Replies 4 ·
Finding the Minimum Strength of a Fishing Line to Stop a Drifting Fish
- j_confused
- · Replies 6 ·
Physics Experiment Question; Projectile Motion
- rumaithya
- · Replies 4 ·
Kinetic energy of electrons/protons
- thisisfudd
- · Replies 7 ·
How Do You Add Two Phasors to Find Resultant Amplitude and Phase?
- Exulus
- · Replies 17 ·
How Do You Calculate the Total Charge from a Sine Wave Current?
- Kawrae
- · Replies 3 ·
Is My Solution to \int \frac {e^x+4}{e^x}dx Correct?
- UrbanXrisis
- · Replies 9 ·
Which method is the most efficient for factoring polynomials?
- gillgill
- · Replies 2 ·
Second Nodal Line: Wave Length Approximation
- Spyder22
- · Replies 2 ·
Why rounding 5 × 5 to 30 based on significant figures fails
- tony873004
- · Replies 15 ·
Convolution - Can someone explain this solution?
- Lomion
- · Replies 2 ·
Symmetries in Particle Physicsconservation laws
- JamesJames
- · Replies 3 ·
What Did I Do Wrong in My Physics Homework Problem?
- shawonna23
- · Replies 2 ·
Find max/min within what we've been taught?
- ktpr2
- · Replies 5 ·
Another try at a difficult proof
- sebasalekhine7
- · Replies 12 ·
Distribution of charge question
- thisisfudd
- · Replies 2 ·
How Can I Build a Self-Operating Miniature Submarine?
- SilentAssassin2005
- · Replies 2 ·
Reaction Products of Ethylene with Fluorine Gas
- tandoorichicken
- · Replies 2 ·
How to Solve Integrals with a Linear Denominator?
- briton
- · Replies 4 ·
How Does a Prism Affect the Angle Between Two Emerging Light Rays?
- Twigs
- · Replies 8 ·
Current density and current from electron drift speed in gold wire
- kyang002
- · Replies 2 ·
How do partial derivatives relate to the definition of a derivative?
- courtrigrad
- · Replies 5 ·
Converging Lens Problem: Finding Distance from Slide for Real and Virtual Images
- nemzy
- · Replies 2 ·
What is the Correct Integral Value for Divergent or Convergent?
- ProBasket
- · Replies 2 ·
Does the order of roots matter in homogeneous linear differential equations?
- kdinser
- · Replies 4 ·
Statistical physics/Thermodynamical question
- danja347
- · Replies 2 ·
How Do You Calculate the Focal Length and Placement of a Projection Lens?
- nemzy
- · Replies 2 ·
Stats regression problem, need hlep QUICK
- aisha
- · Replies 2 ·
Redrawing a circuit to identify parallel and series components
- LakeMountD
- · Replies 5 ·
What Happens to the Charge When Two Insulated Spheres Touch?
- maccaman
- · Replies 2 ·
Minimum mirror height to see full body reflection
- nemzy
- · Replies 2 ·
Translation and compression/expansion
- gillgill
- · Replies 5 ·
What is the Sum of Two Irrational Numbers?
- CollectiveRocker
- · Replies 6 ·
Humber Marketing Tests New Sales Strategy: Stratified Sampling
- aisha
- · Replies 2 ·
Potential difference between plates in a B-Field?
- thursdaytbs
- · Replies 8 ·
How Do You Combine Two Equations in Mathematics?
- the_d
- · Replies 8 ·
Calculating Diver Velocity and Maximum Height in a 3.0m Board Dive
- shawonna23
- · Replies 4 ·
Solving a Circuit Problem with Ideal Batteries: Finding Energy Dissipation Rate
- Silimay
- · Replies 2 ·
Final temperature when mixing water, aluminum and copper
- Bri
- · Replies 2 ·
Charge on capacitors in parallel and series
- LakeMountD
- · Replies 2 ·
What is the molarity of 29.25 g of NaCl in 700mL of solution?
- DB
- · Replies 7 ·
Uniform Acceleration: Calculating Distance and Speed of a Moving Car
- mugzieee
- · Replies 4 ·
Determine the magnitude of the angular acceleration of the discus
- UrbanXrisis
- · Replies 2 ·
The apparent weight of an astronaut in space if
- F|234K
- · Replies 9 ·
How Do Electric Fields Interact in an Equilateral Triangle Setup?
- Kawrae
- · Replies 2 ·
Solving for Potential in an Incompressible Self-Gravitating Fluid Slab
- secret2
- · Replies 6 ·
How Many Potassium Ions Pass Through a 0.30-nm Channel in 1.0 ms?
- kyang002
- · Replies 2 ·
What is the density of free electrons in the metal?
- kyang002
- · Replies 2 ·
Conceptual Question (Rotational Kinematics)
- Dmt669
- · Replies 2 ·
Schmitt Trigger - Astable Mutivibrator Op-amps
- logicalman
- · Replies 7 ·
Solving Two-Dimensional Motion Problems on Physics HW
- shedmyshadow
- · Replies 2 ·
Calculating Potential at a Point Due to Multiple Point Charges
- thisisfudd
- · Replies 2 ·
Physics: Friction Coefficient Calculation
- oldunion
- · Replies 3 ·
How Is the Angle of Deviation Calculated in a Wollaston Prism?
- amph1bius
- · Replies 2 ·
Understanding Rotational Motion Problems
- darkys
- · Replies 3 ·
Calculating Net Displacement Vector for Sparky's Run Using Law of Cosines
- mugzieee
- · Replies 3 ·
Displacement current and magnetic field in a charging capacitor
- andrew410
- · Replies 2 ·
How to Construct DFA and NFA for Languages Divisible by 6 or 10?
- logicalman
- · Replies 2 ·
Solve Electric Field: Find Electron Speed
- jbot2222
- · Replies 2 ·
Calculating Simple Pendulum Oscillation in a Moving Vehicle
- Nima
- · Replies 5 ·
How Can You Arrange 9 Books on a Shelf with Labels Separated?
- recon
- · Replies 9 ·
Find f(x): SolutionSolve Functional Equation: f(x)
- spacetime
- · Replies 2 ·
Physics Equations, Terms, Units - Website List
- Apowerfulfoe
- · Replies 2 ·
Magnetic field from current-carrying wire with circular bend
- andrew410
- · Replies 2 ·
Magnetic field from a current loop using Biot-Savart law
- andrew410
- · Replies 3 ·
How Did the Vietnam War Influence Perceptions of Communism?
- Dooga Blackrazor
- · Replies 6 ·
How Long Does it Take for Balls to Reach the Ground? Projectile Motion Problem
- ProBasket
- · Replies 2 ·
Calculate Scalar Product for Vectors M and N in Cartesian XY System
- runner1738
- · Replies 12 ·
Vector Components and Flight Paths
- runner1738
- · Replies 4 ·
Electric field from rectangular charge distribution
- formulajoe
- · Replies 14 ·
How Does the Biot-Savart Law Apply to Two Perpendicular Current-Carrying Wires?
- andrew410
- · Replies 3 ·
[Physical Science:] Finding Kinetic Energy
- Jessi
- · Replies 4 ·
Average speed that you observe for the button as it falls
- ProBasket
- · Replies 3 ·
Solving Water Stream Problem: Height of Wall Impacted
- ProBasket
- · Replies 14 ·
Understanding Partial Differentiation with Polar Coordinates
- tandoorichicken
- · Replies 5 ·
Finding Final Velocity with Constant Acceleration
- the_d
- · Replies 13 ·
Finding work function from two light sources with different wavelengths
- phy
- · Replies 3 ·
Finding the coefficient of kinetic friction?
- xelda
- · Replies 6 ·
How does the Earth's negative charge affect our planet?
- leolaw
- · Replies 2 ·
What Was the Rocket's Initial Velocity?
- Demise
- · Replies 2 ·
Finding the x component of C from A - B + 3C = 0
- the_d
- · Replies 3 ·
Resultant Vector for Two 66m Magnitude Vectors
- the_d
- · Replies 16 ·
Semi Latus Rectum Proof - b^2/a
- sportsguy3675
- · Replies 5 ·
Converting Planck's law from frequency to wavelength
- dranger35
- · Replies 2 ·
Finding required average speed for last two laps when average is constrained
- majinknight
- · Replies 8 ·
Finding the Shortest Stopping Distance for an Automobile Using Kinetic Friction
- Azytzeen
- · Replies 3 ·
Would light compress and neutralize itself bouncing off dense lead?
- whatzzupboy
- · Replies 7 ·
Current Loops in a Magnetic Field Problem Question.
- R0B0
- · Replies 2 ·
What is gamma for an object with speed B = 0.1?
- dranger35
- · Replies 2 ·