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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How can I rearrange the Projectile Motion equation to solve for t?
- mlbmaniaco
- · Replies 4 ·
Lagrange and Hamiltonian question
- yukcream
- · Replies 6 ·
Is Hydrogen a Metal or Nonmetal?
- tin llenaresas
- · Replies 3 ·
A hand on this one will be great i=1/L∫Vdt|| V=(6t+26)/(t^2+10t+21).
- cunhasb
- · Replies 2 ·
How to Find Potential Difference on a Conical Surface with Uniform Charge?
- bigplanet401
- · Replies 1 ·
To what depth does the bullet penetrate the block in this case?
- Pseudo Statistic
- · Replies 4 ·
Tension in string between two blocks on spinning turntable
- erogers4
- · Replies 7 ·
Does pixel density limit accuracy when measuring component length?
- royshh
- · Replies 1 ·
Reduced a big matrix, now the parametric form is not right, :\
- mr_coffee
- · Replies 7 ·
Dot product, i don't see what they want from me
- mr_coffee
- · Replies 5 ·
How Do You Calculate the Separation Between Two Charged Balls in Equilibrium?
- Rashedbhai007
- · Replies 2 ·
Kirchhoff's Voltage Law in a Battery
- jena
- · Replies 9 ·
Finding a and b to satisfy somthing, matrices problem
- mr_coffee
- · Replies 1 ·
How Do You Calculate Gravitational Forces and Friction in Physics Problems?
- Morokana
- · Replies 3 ·
How Do You Solve These Two Uniform Motion Problems?
- DB
- · Replies 3 ·
Making a fictional energy machine credible for a sci-fi story
- Yossarian Lives
- · Replies 7 ·
Can Plastic Conduct? Why or Why Not?
- tin llenaresas
- · Replies 1 ·
Is hydrogen a metal, nonmetal or a metalloid?
- tin llenaresas
- · Replies 2 ·
Why is Hydrogen Considered a Nonmetal?
- tin llenaresas
- · Replies 2 ·
AP physics Newton's motion questions is my answer correct?
- r3dxP
- · Replies 2 ·
HOw many solutions does this echelon matrix have? Mine isn't right :\
- mr_coffee
- · Replies 5 ·
Basketball throw physics Problem
- sundrops
- · Replies 27 ·
My final Diff Eq question for now
- stunner5000pt
- · Replies 7 ·
Verify that a vector is an eigenvector of a matrix
- Benny
- · Replies 4 ·
Speed and acceleration of woman falling 144 ft onto ventilation box
- lunarskull
- · Replies 10 ·
Degree of Freedom Formula for Molecules with n Atoms
- kidia
- · Replies 4 ·
Calculating Mass of Precipitated Silver Bromate in Water
- m0286
- · Replies 5 ·
Why are they called quadric surfaces?
- qqchico
- · Replies 3 ·
Does exponential take over cosine?
- EvLer
- · Replies 2 ·
Force problems with components and net force calculations
- kris24tf
- · Replies 13 ·
How Do I Find h-min in a Box-on-Incline Physics Problem?
- jahz
- · Replies 2 ·
Following limit is to be evaluated
- thenewbosco
- · Replies 4 ·
Constant acceleration with known velocity and position
- lunarskull
- · Replies 6 ·
How Do Drag and Gravity Affect Projectile Motion?
- Warr
- · Replies 1 ·
Finding Zero Potential Points on the x-axis with Two Charges
- andy2004
- · Replies 3 ·
Probability random selection Question
- Lukedawgus
- · Replies 4 ·
What Capacitor Values Solve This AC Circuit Problem?
- bemigh
- · Replies 3 ·
Solving (3/4)^(3x-2) * (4/3)^(1-x) = 9/16 and 3(3^x) + 9(3^-x) = 28
- love_joyously
- · Replies 18 ·
Kinematics problem- seems easy but having trouble
- G01
- · Replies 3 ·
Statics assignment: multiple problems with tension and mechanical advantage
- Danny_c
- · Replies 13 ·
Conic sections: what can I expect?
- Atomos
- · Replies 4 ·
Help With Physics Chapter Test - Gwyneth's Desperate Plea
- gwynethrosie
- · Replies 5 ·
How do I solve exponentials with base e?
- LinkMage
- · Replies 6 ·
Cop's Accel and speeder's velocity?
- stealthhatch
- · Replies 4 ·
How Close Does a Proton Get to an Infinitely Long Line of Charge?
- gmuniz
- · Replies 1 ·
Why does KMnO4 react with KBr and KI but not KCl?
- dajugganaut
- · Replies 1 ·
Tension in rope holding 12.0 kg bucket at 100° angle
- brandon1
- · Replies 3 ·
Understanding Line Parametrization - Explanation and Examples
- ranger1716
- · Replies 4 ·
Wave equation for two elastic rods in collision with free ends
- stunner5000pt
- · Replies 7 ·
Solving 1st Order ODE: f(s) = -F(s)ln(s^2 + 1)/2 + C
- link2001
- · Replies 1 ·
Helium ion transition with wavelength near H-alpha line
- matpo39
- · Replies 1 ·
What Does [f(p) - f(a)]/(p-a) Approach as p Approaches a for f(x) = x^3?
- mr_coffee
- · Replies 2 ·
How Can I Derive x = (sqrt(2h/g))v from h = .5gt^2 and x = vt?
- blue88
- · Replies 9 ·
What is the inverse Fourier transform of e^{-|x|}?
- MrSeaman
- · Replies 3 ·
Describing Span of Set in P4 Vector Space
- rad0786
- · Replies 8 ·
How do I find the Fermat Equation for a parabola in optics?
- CaptainQuaser
- · Replies 2 ·
Proving three vectors aren't coplanar using mixed product
- kaalen
- · Replies 7 ·
Pythagorean theorem and vectors
- jai6638
- · Replies 6 ·
Computer science exam: sound, current, diodes, Hall effect
- kaalen
- · Replies 5 ·
How Do You Graph y=cos(π/3)(x-1)?
- özge
- · Replies 16 ·
Average speed for round trip with different speeds
- physmurf
- · Replies 3 ·
Help with Vectors in R^3 - Noob Question
- sibiryk
- · Replies 7 ·
Calculating Average Speed: Point 1 to Point 2 and Back, Using Identical Path
- thursdaytbs
- · Replies 4 ·
How to calculate error in addition and multiplication
- SS2006
- · Replies 10 ·
Banana peel dropped down a shaft: finding depth when sound is heard at 6.2 s
- Intr3pid
- · Replies 8 ·
Problems with some work problems
- powp
- · Replies 6 ·
When to use each of these equations
- tubworld
- · Replies 2 ·
Simple Harmonic Motion/Wave Motion
- pippermay
- · Replies 2 ·
Solving Complex Differential Equations: What Are the Steps?
- Icebreaker
- · Replies 5 ·
Direction of Impulse: Final Momentum vs Initial Momentum
- tubworld
- · Replies 5 ·
Proving Equivalence and Function Equality in Real Analysis
- SomeRandomGuy
- · Replies 2 ·
Calculating Distance Traveled by a Car's Sound Emission
- Eng67
- · Replies 2 ·
Resolve Paradox: Relativistic Snake Cut or Unhurt?
- runevxii
- · Replies 3 ·
Why is a car battery more dangerous than a 12V garage door battery?
- imblum
- · Replies 3 ·
How Can Scalars Represent Any Linear Transformation in R^3?
- loli12
- · Replies 1 ·
Induced EMF in a coil from a 50Hz power line 10m away
- WY
- · Replies 3 ·
How Many Participants Can Have Unique Task Scores in a Math Competition?
- klawesyn28
- · Replies 2 ·
Looking for a physics textbook that explains concepts step by step
- adver
- · Replies 5 ·
Research and design a model hovercraft
- steph6009
- · Replies 9 ·
How can I integrate a sinusoidal current in an L-C circuit undergoing resonance?
- Ivegottheskill
- · Replies 5 ·
How to Determine the Equation of a Curved Line of Best Fit?
- F.B
- · Replies 1 ·
Interpreting Velocity Components in a Non-Head On Collision
- twofish
- · Replies 2 ·
Solving Friction Problem in Physics - Cns/Oslo
- Oslo
- · Replies 3 ·
Implementing Various Calculations ith only + and - in c++
- ermines
- · Replies 21 ·
Finding x from y = log₂(x) efficiently for calibration
- macilak
- · Replies 1 ·
Really with projectice problems
- Petrikovski
- · Replies 1 ·
Train and Bird Collision: Calculating Trips and Distance
- Rock00
- · Replies 2 ·
Why does light move at the speed of light for both observer and spaceship?
- Chiko
- · Replies 7 ·
Velocity and displacement question
- Steven-
- · Replies 3 ·
Solve Coefficient of Kinetic Friction Problem: 6m/s, 25° Angle
- brian0885
- · Replies 1 ·
Finding gravitational acceleration from a falling ball on planet X
- trancekid
- · Replies 2 ·
Vector Displacement Resultant Calculation
- jai6638
- · Replies 18 ·
Probability of guessing 0, 2, or 4 cards correctly with two red and two black
- Alexsandro
- · Replies 1 ·
Projectile Motion (Displacement and Velocity vector)
- SS2006
- · Replies 14 ·
How Do You Calculate the Speed of Air Over a U-Tube?
- thenewbosco
- · Replies 3 ·
Maximizing expected commodity amount with budget and price uncertainty
- JasonJo
- · Replies 2 ·
Minimum speed for baseball to clear 12m fence 95m away
- pyromaniac2
- · Replies 3 ·
Err, real easy problem but what'd he(or I) do wrong
- schattenjaeger
- · Replies 1 ·
What Is the Probability a Driver Returns to Their Original Lane After 4 Minutes?
- Alexsandro
- · Replies 3 ·
What is the structure of ethyl ethanoate?
- Abodunrin05
- · Replies 2 ·