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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Calculating Paint Volume for a 100x100 Block Structure
- mrShaun
- · Replies 4 ·
How Do You Calculate River Concentration After a Discharge?
- yellowdoraemon
- · Replies 3 ·
Finding a Vector Valued Function for a Curve: Counterwise/Clockwise
- brad sue
- · Replies 3 ·
Proving a sequence with |x_k-x_{k-1}|<10^{-k} is Cauchy
- *melinda*
- · Replies 1 ·
What are the criteria for proving equivalence of Cauchy sequences?
- *melinda*
- · Replies 3 ·
Why do voltages seem to behave differently than expected?
- Haftred
- · Replies 3 ·
Why do forces on car tires increase with the square of speed?
- king_2005
- · Replies 6 ·
What are the Answers to Operational Amplifier Questions?
- Clari
- · Replies 3 ·
Units in a quantum barrier problem
- ClaesF
- · Replies 3 ·
Projectile magnitude and angle question
- NeoSlayer888
- · Replies 3 ·
How Do You Calculate Proton Acceleration in an Electric Field?
- bsharif
- · Replies 1 ·
Solving F(x,v) for x: Deriving x as a Function of Time
- Berko
- · Replies 5 ·
Minimum speed for student to catch bus 40m away
- marco0009
- · Replies 3 ·
Doppler effect at supersonic speeds
- dpsguy
- · Replies 3 ·
Why Does a Heavy Backpack Make Hikers Lean Forward?
- king_2005
- · Replies 5 ·
Calculate the allowable range of initial velocities
- electro05
- · Replies 2 ·
Expression of AM Cosine Wave using Phasors
- yoyo
- · Replies 1 ·
How to calculate average velocity
- sfgradv
- · Replies 8 ·
Finding the pattern in 1/2, 1/6, 1/12, 1/20, 1/30, 1/42, 1/56
- 1+1=1
- · Replies 9 ·
Why Does Bernoulli's Principle Yield a Negative Pressure in This Scenario?
- democritus
- · Replies 9 ·
Finding k so a matrix system has no solution
- danizh
- · Replies 9 ·
Speed and orbital period of satellite 600 km above Earth
- h_k331
- · Replies 2 ·
How High is the Cliff if a Rock Hits the Ocean in 3.2 Seconds?
- jshaner858
- · Replies 1 ·
Why Do Sugar Particles Deflect When Sifting?
- smither777
- · Replies 4 ·
Net force on a Merecedes convertible
- 92EG6
- · Replies 2 ·
Finding instantaneous acceleration from a straight line on a velocity-time graph
- karaonstage
- · Replies 4 ·
Solving perpendicular oscillation problems- lissajous
- SteveDB
- · Replies 1 ·
What is the technique used to solve a separable differential equation?
- schattenjaeger
- · Replies 1 ·
First-Order Linear Differential Equation Problem
- JM00404
- · Replies 2 ·
Is there a conversion for meters/sec into N
- 92EG6
- · Replies 1 ·
Converting kg oil equivalent to 1000 TOE units
- physicsss
- · Replies 3 ·
Finding L[t²] by integration by parts from L[1]
- mathwurkz
- · Replies 1 ·
Atwood machine collision time and softball pitch motion
- brad sue
- · Replies 4 ·
Maclaurin series of cos(x) in a composite function
- Muzly
- · Replies 1 ·
Solve Physics Q: 0.5kg Water at 80°C to 10°C in Copper Vessel
- love_joyously
- · Replies 5 ·
Crate sliding on a flatbed truck
- lilkrazyrae
- · Replies 4 ·
How to Find the Half-Life of an Element
- Madam Currie
- · Replies 7 ·
Golfer imparts 27.0 m/s to ball, find time in air and maximum distance
- lolo
- · Replies 4 ·
Solving the Falling Man Problem: Calculating Building Height
- alafleur1
- · Replies 1 ·
Piano string tension needed to raise middle C from 249 Hz to 261.6 Hz
- Phymath
- · Replies 2 ·
Does a 75 m/s rocket fired at 61.9° clear an 11 m wall 25.5 m away?
- shawonna23
- · Replies 9 ·
How do you find instantaneous speed?
- navneet
- · Replies 1 ·
What Is the Electric Field Strength Needed to Suspend a Proton?
- destinee20
- · Replies 1 ·
What Causes Discrepancies in Calculating Shearing Stress in a Circular Shaft?
- Pepsi24chevy
- · Replies 1 ·
How Do I Calculate Horsepower?
- donella
- · Replies 2 ·
Finding E-field of 2 concentric clyinders
- mr_coffee
- · Replies 3 ·
Finding a Perpendicular Point on a Triangle with Given Coordinates
- laura_jane
- · Replies 3 ·
Kinematics Question on thrown ball
- Woobi
- · Replies 6 ·
Solve Cascade System: Find z(t) from x(t)=u(t)
- EvLer
- · Replies 3 ·
Poisson brackets and EM Hamiltonian
- hellfire
- · Replies 1 ·
Dynamic Motion: Frictional Forces and slope
- perplexed_in_texas
- · Replies 1 ·
Understanding Electric Flux and Calculating it in Different Directions
- mr_coffee
- · Replies 2 ·
How Does the Divergence Theorem Apply in Vector Calculus and PDE?
- Tony11235
- · Replies 2 ·
Platinum resistance thermometer calibration with three data points
- ice87
- · Replies 3 ·
Prove the Power Rule (calculus)
- mattxr250
- · Replies 4 ·
Parametric equation of a Curtate cycloid
- Townsend
- · Replies 2 ·
What is the Difference Between Speed and Velocity in Kinematics?
- anarchy.spirit
- · Replies 7 ·
Significant Figures rule confusion
- MysticalG
- · Replies 11 ·
Why the conservation energy doesn't work out?
- cks
- · Replies 2 ·
How can I find the component of a cross product along a given vector direction?
- Noone1982
- · Replies 3 ·
Finding Equations of a Plane with 3 Points
- kdinser
- · Replies 3 ·
Solving Laplace and Heat Equation in 3D Rectangular Solid
- danai_pa
- · Replies 9 ·
Supply and demand functions for butter pecan ice cream
- gillgill
- · Replies 2 ·
Linear algebra, determinants, and transposes
- hgj
- · Replies 5 ·
Calculating RMS Speed of Nitrogen Molecules
- Kali8972
- · Replies 5 ·
Finding Q and R from particle motion with distance and period constraints
- SplinterIon
- · Replies 6 ·
Why is grinding aluminium and potassium chlorate dangerous?
- dajugganaut
- · Replies 1 ·
Vector combinations, relative velocity, tension equilibrium, and midpoint theorem
- mr_coffee
- · Replies 3 ·
Why Do Different Observers Measure Varying Directions in Particle Motion?
- fusi0n
- · Replies 4 ·
Calculating Entropy Derivative of a Temperature-Dependent Spring
- painfive
- · Replies 4 ·
Solving a Complex Integral with Partial Fractions
- laker88116
- · Replies 7 ·
Is velocity something an object has or something object experiences?
- h_k331
- · Replies 2 ·
What Minimum Speed is Needed to Qualify for a Race?
- onetroubledguy
- · Replies 2 ·
Kinematic formula for projectiles
- answerseeker
- · Replies 1 ·
Best way to determine the weight/volume of a grain of sand/salt
- soggybread
- · Replies 2 ·
Why does integrating electric field between point charges give infinity?
- leright
- · Replies 15 ·
Calculate Moment of Force at Point A: 2.88kN.m
- Struggling
- · Replies 2 ·
Where's the error in my equilibrium point calculation for two charged beads?
- notmetalenough
- · Replies 4 ·
Projectile Problem: Stones Meet at Height
- Neerolyte
- · Replies 3 ·
Where Can I Find Advanced Vector Problems in Physics?
- Atomos
- · Replies 7 ·
Find equation in slope-intercept form
- gillgill
- · Replies 3 ·
Electric field at P1 between three collinear point charges
- U154756
- · Replies 3 ·
How to Determine the Thickness of a Sheet of Metal?
- rochelle_soccergirl
- · Replies 2 ·
Forces and Acceleration of Bumper Cars After Collision
- Blink691
- · Replies 3 ·
Why is the square of an odd integer always of the form 8k+1?
- Meh
- · Replies 10 ·
Proving SHM in a System of Electric Charges
- stunner5000pt
- · Replies 5 ·
Finding Position at a Specific Time Using Kinematic Equations
- onetroubledguy
- · Replies 3 ·
Solving Integral: \int \frac {x+4}{x^2+2x+5}
- laker88116
- · Replies 4 ·
Solving the Problem of a Non-Conservative Force Function
- Barley
- · Replies 19 ·
Car accelerating at 2.2 m/s² overtakes truck traveling at 9.5 m/s
- PhilosophyofPhysics
- · Replies 4 ·
How Does Gaussian Wave Packet Transformation Work in Quantum Mechanics?
- quasar987
- · Replies 11 ·
Solving an difficult inequality
- pinodk
- · Replies 2 ·
Significant Figures: 1, 2, 3, 4 or 5?
- Victor Frankenstein
- · Replies 1 ·
How Does a Linear Current vs Voltage Graph Illustrate Ohm's Law?
- Karma
- · Replies 3 ·
Calculating Charge Transfer in Silver Spheres Using Coulomb's Law
- notmetalenough
- · Replies 2 ·
Understanding Numerical Analysis Error Bounds
- happyg1
- · Replies 2 ·
Calculating Swimmer Velocity Using Diagonal Rope Length
- brad sue
- · Replies 6 ·
Identifying the Valence of Common Elements
- LakeMountD
- · Replies 2 ·
Calculating the Apparent Angle of the Moon's Diameter from Earth
- onetroubledguy
- · Replies 7 ·
What Does the Graph of y=(x+1)/(x-1) Look Like?
- brandon26
- · Replies 5 ·