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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Learning a technique to figuring out the Explicit Formula
- trigger352
- · Replies 5 ·
Graph Conic: Hyperbola - Key Features
- aisha
- · Replies 4 ·
Double limit of (cos n! π x)^(2m): does it exist?
- stunner5000pt
- · Replies 26 ·
Biconvex lens with one known surface radius
- Jacob87411
- · Replies 2 ·
What Causes Superimposition in String Fundamentals and Standing Waves?
- lektor
- · Replies 2 ·
When is the inhomogeneous system solvable for all a-values?
- Mathman23
- · Replies 7 ·
How Does Air Resistance Affect Work Done on a Falling Raindrop?
- the_d
- · Replies 3 ·
Simple harmonic motion of a ball drop
- UrbanXrisis
- · Replies 6 ·
Find magnetic field at point on Circumference
- GingerBread27
- · Replies 2 ·
What is the correct angle of elevation for the banked highway curve?
- apchemstudent
- · Replies 4 ·
What Are Some Dot Product Questions in Geometry and Discrete Class?
- MiniTank
- · Replies 24 ·
What's Missing in My Momentum Solution?
- Honore
- · Replies 2 ·
Torque and the forces that affect it
- klandestine
- · Replies 13 ·
Binomial Theorem: Coefficients and Expansions
- Townsend
- · Replies 4 ·
What Magnetic Forces Act Between Parallel Current-Carrying Wires?
- barnsworth
- · Replies 2 ·
Does visible light obey the inverse square law?
- ColdFire
- · Replies 2 ·
Blood pressure in brain 30cm above heart
- jmandas
- · Replies 2 ·
How Is the Direction of Magnetic Force Determined in This Scenario?
- eil2001
- · Replies 7 ·
How can i prove that a multiple of 4 is a multiple of 12?
- Link
- · Replies 2 ·
What is the height of a pole vaulter when she clears the bar?
- budugly77
- · Replies 5 ·
How Has Technology Enhanced Data Accuracy in Historical Scientific Studies?
- aquaries_103
- · Replies 2 ·
Daniel's Physics Challenge: Forces on a Banking Bike
- AllSeeing
- · Replies 2 ·
Calculating Terminal Velocity for a Ping Pong Ball: A Simple Equation
- profaith
- · Replies 4 ·
Integral from 0 to pi/2 of (x*[sin x]^2) dx
- Electro
- · Replies 6 ·
Evaluating a Series with Exclusions: 4 to 1000 (3 and 7 Multiples Excluded)
- misogynisticfeminist
- · Replies 3 ·
Thermal expansion of a metal plate
- Rohin.T.Narayan
- · Replies 2 ·
How to Derive the Oscillation Equation for a Conical Float?
- yoyo
- · Replies 2 ·
What is the chemical equation for Ba(NO3)2 reacting with NaOH?
- tobyguy
- · Replies 3 ·
How do you convert kilowatts to horsepower?
- SwAnK
- · Replies 7 ·
Can the Limit of a Product of Fractions Approach 0?
- courtrigrad
- · Replies 5 ·
Finding a second solution to t²x''-tx'+x=0 using reduction of order
- Oxymoron
- · Replies 7 ·
Determining Quotient Group (\mathbb{Z}_2\times\mathbb{Z}_4)/\langle(1,2)\rangle
- Oxymoron
- · Replies 35 ·
CHECK Conics question on general form of conic equation
- aisha
- · Replies 8 ·
Eye/Lens Question: How Many Diopters of Adjustment Does an Adult Eye Have?
- dranger35
- · Replies 2 ·
Newton's version of kepler's law
- Moe_the_Genius
- · Replies 2 ·
Physics in Medicine and Solid State Physics exams
- phucci
- · Replies 7 ·
Centripetal acceleration and ferris wheel
- ProBasket
- · Replies 2 ·
Aeroplane acceleration and work done pulling a bow
- DNA
- · Replies 6 ·
How Does Lung Capacity Affect Body Density?
- Kcoats
- · Replies 2 ·
Force on charged hemisphere using stress tensor
- Dathascome
- · Replies 3 ·
Why are VHF and UHF used in different areas for TV broadcasts?
- PaLma
- · Replies 2 ·
3 volume via integration problems that are giving me trouble
- JasonJo
- · Replies 3 ·
Flashlight 65 degrees conics question whats produced?
- aisha
- · Replies 5 ·
How high does a 7.0 kg bowling ball go when thrown with 810 N force over 2.0 m?
- Tuffman087
- · Replies 9 ·
Calculating Linear and Rotational Kinetic Energy for a Yo-Yo
- BlasterV
- · Replies 10 ·
Do Non-Square Matrices Have Determinants?
- Atomos
- · Replies 5 ·
Why does voltage go negative on current-voltage graphs?
- VooDoo
- · Replies 2 ·
Interpreting Parameters in Bouncing Ball Experiment
- flower76
- · Replies 5 ·
Angular Acceleration & Friction Force of Rolling Cylinder
- Jayhawk1
- · Replies 20 ·
How Does Changing Magnetic Field Affect Charge Movement in a Copper Coil?
- TickleMeElma
- · Replies 2 ·
Calculating the Force of Gravity on a 1-kg Mass at Twice Earth's Radius
- vitaly
- · Replies 2 ·
Solve Angular Momentum of Homogenous Rod After Hammer Blow
- stunner5000pt
- · Replies 4 ·
Is the Normal Force Correct in Your Friction Work Calculation?
- the_d
- · Replies 3 ·
What Forces Act on a Car During a Turn and Collision?
- jac5038
- · Replies 2 ·
Fourier Transforms: Evaluating Periodic Triangle Pulses
- mcfetridges
- · Replies 3 ·
What Are the Key Equations and Concepts in Electricity?
- rayzer
- · Replies 2 ·
Force and motion of charged particle between parallel plates
- Grundy
- · Replies 6 ·
Having trouble with Standard Error of the Mean
- maccaman
- · Replies 2 ·
Where did the cos7x come from in the derivative of y=(1+cos²7x)³?
- ms. confused
- · Replies 5 ·
The length of a wire forming a solenoid
- Kristen716
- · Replies 2 ·
Finding the Independent Term in a Binomial Expansion
- laaah
- · Replies 9 ·
Density of white dwarf, neutron star and black hole in g/cm³
- adc85
- · Replies 2 ·
Proving Properties of Hermitian and Anti-Hermitian Operators
- vsage
- · Replies 6 ·
Proving ab - a - b + 2 > 1 for a > 1 and b > 1
- Chen
- · Replies 2 ·
How Do You Calculate Lens Separation for Identical Image Size and Orientation?
- evilempire
- · Replies 2 ·
What Are the Highest and Lowest Frequencies Heard Due to the Doppler Effect?
- ramin86
- · Replies 2 ·
Shell method volume: revolving region bounded by y-axis, y=2, and e^(x/2)
- RadiationX
- · Replies 11 ·
How Does a Dipole Affect the Electric Field Near a Neutral Metallic Sheet?
- ukamle
- · Replies 2 ·
Flow rate measurement techniques
- pattarkutty
- · Replies 4 ·
Check Eqn of Circle with diameter end points(1,2) and (3,-6)
- aisha
- · Replies 21 ·
How Do You Calculate the Masses of Fragments from a Decaying Particle?
- Pengwuino
- · Replies 2 ·
Why Do Different Objects Make Different Sounds When Dropped?
- lRainDropsl
- · Replies 12 ·
Does Salt Water Affect the Weight of Displaced Water?
- archied
- · Replies 2 ·
Dc circuits with two or more batteries
- mackn666
- · Replies 3 ·
Simple Rotational Motion Problem
- veraction
- · Replies 2 ·
What does "constringence" mean in relation to light?
- Optical_Man
- · Replies 2 ·
Approaching Geometry Problems with Confidence and Strategic Thinking
- bold
- · Replies 2 ·
How Do You Calculate the Second Derivative of a Parametric Equation?
- ILoveBaseball
- · Replies 7 ·
What is your weight? (in Newtons)
- dalitwil
- · Replies 2 ·
Check the equation of the circle
- aisha
- · Replies 4 ·
How to define dynamic equilibrium
- ChemRookie
- · Replies 3 ·
Electric potential word problem
- chase222
- · Replies 2 ·
Tangent to y axis with center(-3,4) whats the eqn of circle?
- aisha
- · Replies 5 ·
Damped oscillator with 5% energy loss per cycle
- e(ho0n3
- · Replies 3 ·
How Does Sound Wave Interference Occur Between Two Speakers?
- thenewbosco
- · Replies 2 ·
Maximum force and acceleration for a mass on a spring
- the_d
- · Replies 4 ·
How Many Revolutions Before the Tube Breaks?
- bpb85
- · Replies 2 ·
Ampère's law, divergence-of-curl, and magnetic monopoles
- AKG
- · Replies 3 ·
Find the equation of ellipse given vertices and focus Check
- aisha
- · Replies 8 ·
Calculating Angular Velocity in a Centrifuge: Astronaut Test Problem
- Punchlinegirl
- · Replies 4 ·
Are You Familiar with These Charges?
- aek
- · Replies 7 ·
Why does the momentum operator equal ℏ times the wave number operator?
- Dathascome
- · Replies 5 ·
Can this Integral be Solved with a Simple Substitution?
- twoflower
- · Replies 6 ·
Is the Integral of 1/(1+x^2) equal to arctan(x)?
- xangel31x
- · Replies 3 ·
How Can I Find a Solution to a Simple Problem?
- W_Herbst
- · Replies 4 ·
Testing functions as solutions to the vibrating string wave equation
- Feynmanfan
- · Replies 3 ·
How Does the Conservation of Mass Apply in Stellar Physics?
- GotTrips
- · Replies 2 ·
Magnetic field, current, and a slide wire
- Heart
- · Replies 3 ·
Question:How to Draw Ray Diagrams for Diverging Lenses
- suf7
- · Replies 29 ·
Integration question - use of substitution
- twoflower
- · Replies 11 ·