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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Solving Stress in a Ring of Radius 1/10 m, Mass 1 kg/m
- altamashghazi
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Can someone help me with this static friction problem?
- shaggyace
- · Replies 3 ·
Calculating Rotational Energy of Disk After Forces Applied
- ctwokay
- · Replies 2 ·
Two blocks sliding down a rough inclined plane
- cyberhat
- · Replies 1 ·
Simple Harmonic Motion displacement
- VincentweZu
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Why Is Kinetic Energy Zero for the 4kg Carriage in This Problem?
- pyroknife
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Reverse Carnot - Refrigeration Cycle problem
- leonida
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How to find magnitude of Q1 and Q2?
- s0mebody
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Calculating the Speed of a Charge at Point A in an Electric Field
- s0mebody
- · Replies 2 ·
How Does Friction Affect Energy on an Incline?
- iJamJL
- · Replies 8 ·
A Question About Weight and Pressure
- MBrain
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(Mathematical Physics) Mass on four elastic rods
- asynja
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Physics magnet conceptual question
- buddy72192
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Radiocarbon dating of a piece of wood
- Lindsayyyy
- · Replies 4 ·
What Happens to the Magnetic Field When Voltage Slider Moves?
- get_physical
- · Replies 3 ·
Adiabatic Equation Derivation Troubleshooting
- MotoPayton
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X = Acos(ωt) + Bsin(ωt) derivation
- sparkle123
- · Replies 8 ·
Wave Amplitude from Line Source: Finding Amplitude at Distance '4r
- altamashghazi
- · Replies 17 ·
Problem interpreting this interference question
- Zomboy
- · Replies 2 ·
Elliptic Pendulum: Homework on Kinetic & Potential Energies
- imjess
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Can Work-Energy Be Used to Determine Maximum Projectile Height?
- whiskeySierra
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What Is the Correct Way to Calculate Resistance in Complex Resistor Networks?
- Drao92
- · Replies 4 ·
A multiple concept problem thermal expansion/stress
- Janinever
- · Replies 4 ·
How Does the Doppler Effect Relate Detector Speed to Sound Speed?
- Doomezar
- · Replies 1 ·
Simple work and variable position question
- iJamJL
- · Replies 1 ·
Finding the average slope of a parable
- mimi.janson
- · Replies 14 ·
Banked curve angle w/no friction - teacher's work differs
- 1MileCrash
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Magnetic Field Induced Current Problem
- isthisadream
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What is the Electric Field Intensity Midway Between Two Point Charges?
- freeofwork
- · Replies 1 ·
Right Hand Rule for Vectors: Solutions
- McAfee
- · Replies 2 ·
How Do You Calculate Speed and Uncertainty with Given Measurements?
- Alipepsi
- · Replies 4 ·
Quick question about pressure radiation for reflection
- channel1
- · Replies 1 ·
Newton's Laws: Distance of a car accelerating, then slamming on the breaks.
- jillime
- · Replies 1 ·
Center of gravity (x and y coordinates) of mechinist's square
- chinnie15
- · Replies 1 ·
Find the center of mass of the solid
- richies
- · Replies 6 ·
Determine the work as objects moves in straight line
- bfusco
- · Replies 1 ·
Projectile motion Problem(Is My Ans Correct?)
- Plutonium88
- · Replies 3 ·
Components of a magnetic field in a uniform wire
- ItsFootballNo
- · Replies 4 ·
Physics I Midterm Exam in 2 days
- Asuncion
- · Replies 26 ·
Adding Normal Forces for Net Force Calculation
- Asuncion
- · Replies 22 ·
Units in a heat transferred calculation
- smulc
- · Replies 3 ·
Calculating Force and Angle Vectors | Help with Force/Vectors Homework
- vykim223
- · Replies 4 ·
Calculating Pressure - to Integrate or Not?
- erok81
- · Replies 1 ·
Advanced Forces Question, Forces Inside a Moving Car
- Victorzaroni
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Relativity: Formulating dT, v, l Expression
- shyguy79
- · Replies 4 ·
Object Beneath the Water Problem
- x31fighter
- · Replies 1 ·
Calculating Recoil Velocity in Po^214 Radioactive Decay
- Mdhiggenz
- · Replies 1 ·
Dynamics and F=ma, where a is 0
- FaithAlyRose
- · Replies 5 ·
Potential well solutions question
- physicsjock
- · Replies 1 ·
Projectile motion on a hemisphere
- Bread18
- · Replies 16 ·
How Deep Does the Fish and Its Image Appear in a Pool?
- oddwolf
- · Replies 4 ·
Force F on Mass m at Angle Θ: Acceleration Calculations
- dreamz25
- · Replies 3 ·
How long does it take a ball to be back
- mimi.janson
- · Replies 2 ·
Experiment with forces - Formula question
- -Physician
- · Replies 4 ·
How long will it take to overtake
- joseph0205
- · Replies 1 ·
Toy Rocket Excel Sheet - Instantaneous Rest Frame
- joe_cool2
- · Replies 4 ·
Newtonian Mechanics:friction, tension and acceleration
- Plebert
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What is the acceleration of an electron in an electric field?
- charmedbeauty
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How Much Charge Does the Second Charge Have?
- dminus
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# of elecron/sec in a 3 bulb circuit
- iknowless
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Calculating Electric Force between Charged Balloon and Denim
- freeofwork
- · Replies 4 ·
Finding the force from given potential energy
- bfusco
- · Replies 1 ·
Block moving down circle, a straight path, then into a spring
- bfusco
- · Replies 3 ·
Whats normal force at top/bottom of loop
- bfusco
- · Replies 3 ·
Two body applications of Newtons law of cooling.
- SrEstroncio
- · Replies 1 ·
Static Equilibrium | 736g Beam & 5.25N Sphere | FBD & Tension Calc
- princessbabie
- · Replies 1 ·
Fluid Pressure Equation for 150 m3 Silo | Sensor Calibration and Display Reading
- joe98
- · Replies 7 ·
Max Kinetic Energy of Object in Circular Path with Constraint
- tprofl
- · Replies 2 ·
Calculating electrical potential difference with a sphere
- HenryHH
- · Replies 3 ·
The only trajectory problem on my whole SI sheet (trajectory) I cannot do
- realfuzzhead
- · Replies 6 ·
Difference between internal E and enthelpy
- chiddler
- · Replies 4 ·
2 questions, both about balancing force/torque
- achacttn
- · Replies 1 ·
Two Pulleys with two acceleration and two tensions (Diagram included)
- Wara
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What Is the Maximum Speed in This Simple Harmonic Motion Problem?
- koat
- · Replies 3 ·
Ax and Ay As a linear combination of Atan and Arad
- spirof
- · Replies 6 ·
Physics Lab Experiment- Confused on what we are measuring
- taculator
- · Replies 1 ·
Box on an inclined surface with Force of Friction and angled applied Force.
- Wara
- · Replies 5 ·
Potential energy of a plummer sphere
- ghetom
- · Replies 1 ·
Momentum and movement basic GCSE Quest
- nonthesecond
- · Replies 12 ·
Simple and basic momentum and work done Qs
- nonthesecond
- · Replies 14 ·
Derivative of kinetic energy with respect to position help
- Keshroom
- · Replies 8 ·
For (c), at max height, v=0, so use v2 = u2 + 2as, just put u=20, a=-9.81, s=54
- madinsane
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Finding Delta V of a Rocket: An Overview
- marco12345a
- · Replies 1 ·
Understanding Rutherford's Alpha Scattering Experiment
- DJ-Smiles
- · Replies 4 ·
Work done by General Variable force
- 1MileCrash
- · Replies 3 ·
Solving an Asymmetric Truss: Seeking Help
- jehan60188
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Solving Particle Track Questions in Quadrants: TL, TR, BL, BR
- sasuke07
- · Replies 2 ·
Matrix Calculation Error: Finding the Correct Solution
- SoggyBottoms
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What is the voltage across a resistor in an electrical circuit?
- FlexedCookie
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Three forces in equilibrium. Uniform rod
- afrocod
- · Replies 14 ·
Sine of sum and difference with 3 values
- afrocod
- · Replies 2 ·
A Block Sliding Across the Floor
- Jamesdynasty
- · Replies 4 ·
College Physics Problem Capacitor / Inductor
- aamartineng17
- · Replies 3 ·
Not sure which formula to use Deals with work and position
- iJamJL
- · Replies 8 ·
Time Derivatives: Taking the Time Derivative of (theta dot)^2
- Fellowroot
- · Replies 2 ·
Infer diameter of Pluto from orbiting Charon
- frozenguy
- · Replies 6 ·
Calculating Angle Between Rays PQ & RS
- Taylor_1989
- · Replies 11 ·
Double Slits experiment central fringe intensity
- lenguyen1794
- · Replies 2 ·
Why did we assume it to be 45 degrees?
- madinsane
- · Replies 4 ·
Net force (Diagrams incl) Please check my solutions
- supernova1203
- · Replies 16 ·