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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Visible Light & Inverse Square Law - Rad. Physics Newbie
- ColdFire
- · Replies 2 ·
Calculate Blood Pressure in Brain 30cm Above Heart - Help Please!
- 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 Happens When Ba(NO3)2 Reacts with NaOH?
- tobyguy
- · Replies 3 ·
Convert kW to HP: Quick & Easy Guide
- SwAnK
- · Replies 7 ·
Can the Limit of a Product of Fractions Approach 0?
- courtrigrad
- · Replies 5 ·
Thanks for pointing that out! I'll make sure to double check my work next time.
- 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 ·
How Does Lung Capacity Affect Body Density?
- Kcoats
- · Replies 2 ·
Understanding the Force on a Charged Hemisphere Using the Stress Tensor
- Dathascome
- · Replies 3 ·
Understand the Differences between VHF & UHF 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 ·
Solve Energy/Work Problem: Find Height of Thrown Ball
- 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 ·
Help with Electronics: Negative Voltage on a Graph
- 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 ·
Grade 12 Physics: Charge -4.00x10-6C in Electric Field 70N/C
- 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 ·
Calculate Density of 3 Stars: White Dwarf, Neutron Star & Black Hole
- adc85
- · Replies 2 ·
Proving Properties of Hermitian and Anti-Hermitian Operators
- vsage
- · Replies 6 ·
Proving ab - a - b + 2 > 1 in Simple Algebra: Tips and Hints
- 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 ·
Is This the Correct Integral for Finding Volume Using the Shell Method?
- 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 Harmonic Oscillator & Mechanical Energy
- e(ho0n3
- · Replies 3 ·
How Does Sound Wave Interference Occur Between Two Speakers?
- thenewbosco
- · Replies 2 ·
Max Force & Acceleration on 0.466 kg Mass w/ 144 N/m Spring
- the_d
- · Replies 4 ·
How Many Revolutions Before the Tube Breaks?
- bpb85
- · Replies 2 ·
Electricity and Magnetism Problem
- 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 ·
Understanding the Momentum Operator in Quantum Mechanics
- 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 ·
Transversal Waves: Solving Vibrating String Equations | Easy Guide
- Feynmanfan
- · Replies 3 ·
How Does the Conservation of Mass Apply in Stellar Physics?
- GotTrips
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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 ·
How Much Force Can a Human Femur Withstand Before Breaking?
- UrbanXrisis
- · Replies 3 ·
Calculating Compton Shift of X-Ray at 300KeV, 37°
- Pengwuino
- · Replies 9 ·
How Many Reflections Appear Between Angled Mirrors?
- fliptomato
- · Replies 1 ·
Thanks in AdvanceHelp Needed: Solving Homework Struggles
- UnD
- · Replies 3 ·
Solve Improper Integral of 1/(1+(tanx)^sqrt(pi)) from 0 to pi/2
- SeReNiTy
- · Replies 13 ·
Solving a Parallel-Plate Capacitor Problem
- bbbbbev
- · Replies 2 ·
Understanding Ellipse Standard Form and Axis Orientation
- aisha
- · Replies 6 ·
Egg Drop Challenge: Minimize Mass and Avoid Padding
- Amergirls
- · Replies 2 ·
Standard deviation? COIN TOSS HELP
- aisha
- · Replies 6 ·
2Coins probability of Heads-tails in 40 tosses? HELP
- aisha
- · Replies 7 ·
Solving an Integral: Helping a Friend
- jaidon
- · Replies 16 ·
Photoelectric effect and copper
- Pengwuino
- · Replies 5 ·
Solving for the Mass and Velocity of a Puck After a Perfectly Elastic Collision
- Azytzeen
- · Replies 3 ·