Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
2-Capacitor, 2-Resistor Parallel RC Circuit with Switch
- cep
- · Replies 2 ·
What is the Magnetic Field at the Center of a Square Loop Carrying a Current?
- 012983
- · Replies 2 ·
Finding the magnitude of a magnetic field from a square loop
- Patdon10
- · Replies 3 ·
Solving for magnetic field from a solonoid
- Patdon10
- · Replies 1 ·
What is the E-field through the rod?
- aximwolf
- · Replies 2 ·
Find the mass dropped onto the spring
- flyingpig
- · Replies 35 ·
What is the difference between electric and gravitational potential?
- Lakshmi N
- · Replies 4 ·
Which Interference Maxima Are Missing in the Slit Experiment?
- Punkyc7
- · Replies 11 ·
How Do You Calculate Rollercoaster Speeds at Different Points?
- Damie904
- · Replies 2 ·
How Does Momentum Conservation Affect Sled Speed When Susan Jumps On and Off?
- gkangelexa
- · Replies 3 ·
Circular Motion and Universal Law of Gravitation Help
- rain_ex
- · Replies 7 ·
What Focal Length is Needed to Project a 35mm Slide onto a Large Screen?
- scottatkins
- · Replies 1 ·
Best location for a light bulb filament using a concave mirror?
- reganw
- · Replies 3 ·
Electric charges, wrong answer D: ?
- Eats Dirt
- · Replies 1 ·
How Do You Solve a Rolling Sphere Attached to a Spring Problem?
- Broccoli21
- · Replies 5 ·
Finding acceleration using FORCE equations
- helpme2011
- · Replies 5 ·
Every day examples of Newton's 3rd Law?
- زهره الربيع
- · Replies 19 ·
A weight on a beam held up by two columns - force problem
- bpollard
- · Replies 10 ·
Solve Circuit Question: Get Help Now!
- bpollard
- · Replies 2 ·
Help understanding error progression.
- mroldboy
- · Replies 1 ·
How Does Phase Difference Affect Wave Interference?
- geoffreythelm
- · Replies 3 ·
What Is the Notation \text{OH}(X^2\pi - A^2\Sigma^+) Used For in Chemistry?
- Saladsamurai
- · Replies 2 ·
Gas Expansion Question: Calculating Temperature Change for CO2 Release
- Keyzeroff
- · Replies 6 ·
What is the Mass of a Box in a Car's Trunk Based on Rear Shock Compression?
- flyingpig
- · Replies 2 ·
What Is the Exit Velocity of a Projectile After Passing Through a Wooden Block?
- shawonna23
- · Replies 3 ·
Spring question, theory and a simple application.
- flyingpig
- · Replies 11 ·
Unit Joule is the unit of work and of kynetic energy
- physicquest
- · Replies 16 ·
How Does Heating Affect the Pressure of an Ideal Gas in a Movable Piston Setup?
- Jgoshorn1
- · Replies 1 ·
What does unstretched/natural length mean?
- flyingpig
- · Replies 2 ·
Got stuck Electric Potential due to Dipole
- IHave
- · Replies 1 ·
Scientific Thinking Graphing -Determining the Mathematical Expression
- davyvfr
- · Replies 1 ·
Solving Spring Questions: 4.6 cm and 6.7 cm
- Hypercubes
- · Replies 4 ·
What Force Prevents a Skater from Rolling Down an Incline?
- cwong24
- · Replies 7 ·
Net Force & Direction Calculation - Homework Solution
- insanitey1
- · Replies 2 ·
Maximum Mass for Spring-Induced Jump
- tmiddlet
- · Replies 2 ·
How much will a ray be deviated ?
- teyber
- · Replies 1 ·
How to draw a circuit from a word problem.
- NeomiXD
- · Replies 3 ·
Questions on Rotational Kinematics/Dynamics
- fterh
- · Replies 43 ·
Question about inserting a dielectric material inside a capacitor
- pc2-brazil
- · Replies 3 ·
Half life of a nuclear decay via simulation
- Kynaston
- · Replies 6 ·
Center of gravity and Newton's 3 Law of Motion.
- NeomiXD
- · Replies 3 ·
How Does Friction Affect Acceleration in High-Performance Race Cars?
- jehan4141
- · Replies 5 ·
Unit Conversion: G 6.67x10^-11 m^3*s^-2*kg^-1 to cm^3*s^2*g^-1
- Hank_Rearden
- · Replies 1 ·
Understanding Beam Deflection in Double Cantilever Beams
- Tammy....
- · Replies 5 ·
How Do Antenna Positions Affect Radio Wave Interference?
- Punkyc7
- · Replies 1 ·
Temperature at a junction between two rods?
- scarlson1193
- · Replies 1 ·
Finding the magnitude of a particle from a graph?
- themadcow45
- · Replies 12 ·
Pinhole camera question with only two known variables?
- ldesai149
- · Replies 3 ·
How Is Average Induced Voltage Calculated in a Rotated Coil?
- dumbperson
- · Replies 3 ·
Velocity Calculation Contradiction
- MoeAlharbi
- · Replies 2 ·
Error propagation in calculations
- jakerue
- · Replies 4 ·
Distance Between Lenses for a Magnification of 10
- clintyip
- · Replies 1 ·
Equipotential surfaces; finding the radius
- IHave
- · Replies 1 ·
Physics: Finding the Unknown Weight in a Moment Problem
- seiei
- · Replies 8 ·
Understanding Vector Notation: Solving Homework Equations
- superg33k
- · Replies 2 ·
Find the kinetic friction coefficient
- beborche
- · Replies 4 ·
Help, please on vectors and Newton's laws
- jehan4141
- · Replies 9 ·
Circular Motion and friction problem.
- khuong1994
- · Replies 1 ·
Derivation of the moment of inertia eqn for a thin spherical shell
- cubejunkies
- · Replies 4 ·
Cyclotron: Speed of Particle After 2nd Gap Crossing
- blueyellow
- · Replies 1 ·
Find max. displacement of a spring
- beborche
- · Replies 12 ·
Calculating the Magnetic Field due to a Bar Magnet
- anonymity
- · Replies 4 ·
How Do You Calculate the Structure Constant in Gell-Mann Matrices?
- Lapidus
- · Replies 3 ·
Spring acting on an object (dynamics)
- Femme_physics
- · Replies 63 ·
Magnetic Field Strength and Webers
- ja_tech
- · Replies 1 ·
Possible title: Isotope Abundance Calculations: Where Did I Go Wrong?
- FeDeX_LaTeX
- · Replies 9 ·
Calculating Temperature Needed for Hot Air Balloon Lift
- scarlson1193
- · Replies 1 ·
Double Slit Experiment without the small angle approximation
- Punkyc7
- · Replies 9 ·
Calculate the Currents in a given circuit
- Vazer
- · Replies 18 ·
Solving Combined circuit question
- NeomiXD
- · Replies 3 ·
How do I prove That Toricelli's equation, given here is correct?
- Aliskahir
- · Replies 9 ·
Finding Magnitude & Direction of Force & Torque Exerted by B on Coil
- yjk91
- · Replies 5 ·
Prove this Total Voltage at Resonance
- fromthepast
- · Replies 21 ·
How to convert the energy in Joules to mass in a metric done
- bpollard
- · Replies 4 ·
Vector Sum (Angle Theta and Magnitude)
- frozonecom
- · Replies 3 ·
Where did i go wrong in fudingin the temperature of the gold cube?
- yjk91
- · Replies 3 ·
Voltages and Turns in a Transformer
- fromthepast
- · Replies 3 ·
Grindstone and kinetic friction problem
- armolinasf
- · Replies 6 ·
Solving for Acceleration with Tension and Friction
- m3rc
- · Replies 2 ·
Show that the potential at a generic point for x positive is zero
- blueyellow
- · Replies 2 ·
Calculating Forces and Speed of Falling Bucket into a Well
- armolinasf
- · Replies 1 ·
Why is Average Velocity Defined Differently in Calculus?
- vanmaiden
- · Replies 6 ·
Newton's Laws, bungee jump problem
- jehan4141
- · Replies 1 ·
Master Dynamics: Answers to Practice Questions and Concept Clarification
- fterh
- · Replies 9 ·
Series and parallel circuit question
- NeomiXD
- · Replies 1 ·
Induced emf as a magnet passes through a solenoid
- fromthepast
- · Replies 1 ·
Equilibrium Problem(Tension of each cord)
- durty53
- · Replies 7 ·
Hydrostatic paradox one step further- weights of the different fluid amounts
- symphwar
- · Replies 5 ·
Chadwick's discovery of the neutron - radiation
- hubewa
- · Replies 1 ·
Frequency in an oscilloscope simulation
- brekfast
- · Replies 3 ·
Using a Microwave Oven to Measure the Speed of Light
- helpme2011
- · Replies 4 ·
Connecting a transformer backward
- fromthepast
- · Replies 1 ·
Gauss' law which formula to use
- teknonjon
- · Replies 3 ·
Using a graph to find velocity and position at a said time
- themadcow45
- · Replies 7 ·
How Is the Net Force Between Two Dipoles Calculated?
- lizardlad
- · Replies 1 ·
Deriving Velocity of Wedge Before Block Hits Ground
- davidY
- · Replies 16 ·
2 vectors what third vector is needed to counter bakance the first 2?
- calc3varbrg9e
- · Replies 6 ·
Comprehensive mechanics excercise
- Gavroy
- · Replies 4 ·
Force of Gravity question, with Newton's Law of Gravitation
- Spartan301
- · Replies 7 ·
Newton's second law and ice skating
- jehan4141
- · Replies 1 ·