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 Maximum Force in Periodic Motion: Airplane in a Storm
- buffgilville
- · Replies 4 ·
Elastic Collision on an Incline
- Soaring Crane
- · Replies 6 ·
What is the Practical Application of the 7th Derivative in the Real World?
- kristijo
- · Replies 2 ·
Why Can't the Sum of Any m Consecutive Fibonacci Numbers Always Be Odd?
- Pandaren
- · Replies 2 ·
How Does Gauss's Law Apply to Dielectrics with Embedded Point Charges?
- joshanders_84
- · Replies 11 ·
What is the Period of a Satellite at 90km Above the Moon's Surface?
- cougar_21
- · Replies 3 ·
Mousetrap car wheels and axle for maximum distance
- mattfelner
- · Replies 7 ·
How Does Friction Affect the Maximum Height of a Block on an Incline?
- Ineedphysicshelp
- · Replies 6 ·
Glancing collision between 0.20 kg and 0.30 kg pucks
- MattF
- · Replies 2 ·
How Do You Calculate Tension in Support Rods with Uneven Loads?
- DethRose
- · Replies 2 ·
Solving Thermodynamics Problem with Hydrochloric Acid and Sodium Bicarbonate
- KingNothing
- · Replies 2 ·
Moment of inertia of rod with two point masses using parallel axis theorem
- quick
- · Replies 2 ·
Time to reach the sun and galactic center by aircraft at 1600 km/h
- S. Dilly
- · Replies 2 ·
Solving for Tension in Masses Connected by String Over Pulley
- quick
- · Replies 2 ·
How Does a Wall Push Back with Equal Force?
- UrbanXrisis
- · Replies 4 ·
Calculating Mass of Bucket to Descend 9.144m in 4s
- UrbanXrisis
- · Replies 3 ·
Bullet embedding in block on spring with k=14.0N/m
- SnowOwl18
- · Replies 4 ·
Thinking skills assessment test
- ponjavic
- · Replies 3 ·
What does the graph look like if a = 0?
- dg_5021
- · Replies 3 ·
Door A and B rotating with different axes, which equation for time?
- pinky2468
- · Replies 8 ·
How to get started with complex integrals
- realler
- · Replies 2 ·
Coin sliding off a rotating turntable at 36 rpm
- mattx118
- · Replies 10 ·
Do Forces, Impulse, and Momentum Change Equally in a Collision?
- mattfelner
- · Replies 2 ·
Calculating Acceleration Due to Gravity on the Moon and Mars
- cougar_21
- · Replies 6 ·
What Is the Angle Between a Tilted Bar and a Level Surface?
- dg_5021
- · Replies 2 ·
How does a brief summary look like?
- ernesto
- · Replies 2 ·
Minimizing Radiation Decay for Tumors Treatment
- INtj
- · Replies 7 ·
Where Does Energy Go When Water Boils?
- imboring2000
- · Replies 2 ·
Looking for book report ideas to submit
- ernesto
- · Replies 4 ·
Calculating Energy Transformed by Friction in a Falling Satellite
- hauthuong
- · Replies 3 ·
Is the Integral of e^(-x^2) the Coolest Sum Ever?
- pseudonewtonian
- · Replies 2 ·
How Does Charge Distribution Affect Electric Potential at a Point?
- stunner5000pt
- · Replies 1 ·
Pulling Tablecloth Under Steel Ball, Finding Speed
- GingerBread27
- · Replies 2 ·
Volume of region between two functions?
- Khan86
- · Replies 4 ·
Why Is Coaxial Cable Characterized by Conductance per Unit Length?
- philipc
- · Replies 2 ·
Finding temperature change from current density and time in a resistor
- philipc
- · Replies 2 ·
Why does solid NaOH produce more heat than NaOH solution in neutralization?
- borderline182
- · Replies 1 ·
What Does x=--x Mean in Mathematics?
- sinas
- · Replies 2 ·
Coin Rolling Up Incline, no mass given?
- splinter
- · Replies 4 ·
Elastic Collision and Simultaneous Equations
- dbusack1013
- · Replies 3 ·
Proving the Limit of n! / n^n = 0 to Using Sequence Definition
- courtrigrad
- · Replies 7 ·
How Is Force Calculated to Pitch a Baseball at 100 mph?
- DB
- · Replies 9 ·
How Does a Boy Sliding Down an Ice Mound Demonstrate Conservation of Energy?
- Twigs
- · Replies 16 ·
How Do You Compute the Derivative of an Integral with Variable Limits?
- buffgilville
- · Replies 2 ·
New preesure when 2 containers are connected
- darkar
- · Replies 2 ·
What is the speed of the bullet after it is fired into a wood block?
- FancyNut
- · Replies 10 ·
How Do I Solve for Terminal Velocity Using Logs in My Air Resistance Lab?
- Mr. Hiyasaki
- · Replies 2 ·
Two masses connected by string over pulley with friction
- Mr. Hiyasaki
- · Replies 2 ·
How Do I Calculate Position and Velocity in a Particle Movement Problem?
- ziddy83
- · Replies 2 ·
Cylinder falling from string on rotating disks
- RussG
- · Replies 2 ·
How Can You Measure the Charge of a Molecule?
- chusifer
- · Replies 2 ·
Capacitor (the dissipation of electrical energy)
- jazzylady03
- · Replies 2 ·
Momentum and Vectors: Solving a Car Collision Problem
- HeRo
- · Replies 2 ·
Calculating Total Energy in a Pulley System: Kinetic vs. Potential Energy
- RobtheSlob
- · Replies 3 ·
Max Total Yield: Plant 37-38 Apple Trees
- preet
- · Replies 1 ·
How Do Total and Partial Derivatives Differ in Multivariable Calculus?
- Hypnotoad
- · Replies 2 ·
How Do I Solve for Zero Velocity Using the Bernoulli Equation?
- CollectiveRocker
- · Replies 2 ·
Solving an Isotropic Harmonic Oscillator with Four Identical Springs
- matpo39
- · Replies 2 ·
How Does a Spring's Vibration Change Over Time?
- physicsss
- · Replies 9 ·
Simple Harmonic Motion of a spring and hammer
- SnowOwl18
- · Replies 2 ·
Solving Force/Ramp Problem: Find Tension & Acceleration
- mrjeffy321
- · Replies 8 ·
Calculating Speed in Inelastic Collisions
- grahammm
- · Replies 9 ·
Finding a start to simple preamp circuit (1 opamp)
- ski
- · Replies 2 ·
How do vectors relate to perpendicularity in circular motion?
- LondonLady
- · Replies 4 ·
How Are Quantum Numbers Assigned to the Last Electron in an Aluminum Atom?
- vg19
- · Replies 2 ·
Electricity generated by conductor
- Brainy_Mike
- · Replies 2 ·
The Ground State Orbit of a W+73 Atom: Is It Bohr-rific?
- stunner5000pt
- · Replies 2 ·
Solving Diff. Equations: x(t) and y(t)
- circa415
- · Replies 2 ·
Minimum work to freeze 3.0 kg of water at 0°C with surroundings at 30°C
- CartoonKid
- · Replies 2 ·
Force to prevent lever rotation about a pivot point
- DethRose
- · Replies 2 ·
Quantum mechanics in DIRAC notation
- JamesJames
- · Replies 9 ·
Null space of a 2 by 6 zero matrix
- Theelectricchild
- · Replies 5 ·
Calculating Forces and Weight of a Mass on a Plank
- cosmokramer
- · Replies 2 ·
High jump height on Mars compared to Earth
- Dragoon
- · Replies 6 ·
How much water can a ship deliver to a desert island in the Caribbean?
- physicsss
- · Replies 5 ·
Finding Kernel and Range for Linear Transformation L(p(x)) = xp'(x) in P3
- loli12
- · Replies 4 ·
Solve Calculus Problem f(x)=(ax+b)/(x-c)
- needhelpperson
- · Replies 2 ·
Probability density for 50% reflection and 50% transmission through a barrier
- student1938
- · Replies 10 ·
How do you find the second derivative using implicit differentiation?
- courtrigrad
- · Replies 6 ·
Calculating Time of Collision for Dropped Stone and Thrown Ball
- clh7871
- · Replies 3 ·
What is its acceleration down the plane?
- clh7871
- · Replies 2 ·
How Do You Calculate Final Velocity and Change in Momentum for a Moving Body?
- phyzacs
- · Replies 7 ·
How Does Momentum Affect a Moving Toy Truck When a Brick is Dropped on It?"
- puregoodboi
- · Replies 3 ·
Calculating Masses from Disc Explosion Velocities
- puregoodboi
- · Replies 3 ·
Understanding Wheatstone Bridge Circuit: How to Solve for Unknown Voltages
- needhelpperson
- · Replies 3 ·
Vertical acceleration of mass 1 in pulley system
- tigerseye
- · Replies 5 ·
Can Physics Newcomers Tackle Momentum and Velocity Questions?
- phyzacs
- · Replies 9 ·
Converting a Shifted Circle into Polar Coordinates
- Tarhead
- · Replies 3 ·
Calculating Net Torque on Counterweight System
- Antepolleo
- · Replies 18 ·
Spring Motion (1st Semester Physics)
- glascupio
- · Replies 2 ·
Is the Balanced Equation for the Reaction Between Mg and HCl MgCl + H?
- dg_5021
- · Replies 2 ·
How Is the Average Force Calculated in a Collision Problem?
- ballahboy
- · Replies 2 ·
Two blocks and two pulleys pulley system
- disruptors
- · Replies 6 ·
Converting 2x + 3y = 4 to polar form with a constant term
- iggybaseball
- · Replies 2 ·
Minimum Speed for Hoop to Roll Without Slipping Around a Loop
- physicsss
- · Replies 2 ·
Simulating charge deflection in magnetic field
- brian0918
- · Replies 9 ·
Recursion Formula: Solve Series with Ease
- Poweranimals
- · Replies 2 ·
Spring scale reading for a 80 kg person on a circular cart
- UrbanXrisis
- · Replies 8 ·
Why Do Cats Chase Each Other in a Square Room?
- boob
- · Replies 9 ·
How Is Volume Calculated Using Cylindrical Shells?
- Bri
- · Replies 2 ·