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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Wrong analysis in projectile problem
- IWantToLearn
- · Replies 21 ·
Why isn't acceleration halved in free fall from 50m?
- NafeesR
- · Replies 1 ·
Projectile Motion / Kinematics Lab (Only 2 Variables Given)
- dimitri194
- · Replies 2 ·
Equivalent resistance of tricky circuits?
- asifrulzz
- · Replies 7 ·
Electric Potential and a Conductor
- themadhatter1
- · Replies 8 ·
Intensity Level of 76 trombones
- Coushander
- · Replies 3 ·
Where is the maximum electric field on the axis of a charged ring?
- leroyjenkens
- · Replies 1 ·
Find the difference in voltage at different points in a circuit.
- Llamas
- · Replies 2 ·
What is the speed of the toolbox?
- ScienceGeek24
- · Replies 8 ·
Electric field of two point charges
- black_hole
- · Replies 6 ·
How Do You Calculate Equilibrium Position Between Charges Using Coulomb's Law?
- charliexx09
- · Replies 1 ·
Kinematics: Rocket/Free Fall Problem
- beauch1322
- · Replies 2 ·
Work and Energy on a curved track with friction
- eyeshiled21
- · Replies 1 ·
Finding wave intensity from power and area on a sphere
- aldam3a
- · Replies 1 ·
How to find the same angle in different orientations?
- eggshell
- · Replies 3 ·
Fluid Dynamics of two water reservoirs
- Coushander
- · Replies 17 ·
Barometric formula to calculate ground pressure
- shyguy79
- · Replies 19 ·
How Do You Derive Formulas from the Work-Kinetic Energy Theorem?
- -Physician
- · Replies 1 ·
How do i determine the final position?
- cshum00
- · Replies 38 ·
Finding Velocity from Force, Mass and Time
- -Physician
- · Replies 5 ·
Oblique Impact of Smooth Spheres
- SpartaGhost
- · Replies 2 ·
Circuit with Resistors and a Battery
- hawaldko
- · Replies 5 ·
Wavelengths intensified in reflected light from MgF2 film
- Color_of_Cyan
- · Replies 9 ·
Gravity, velocity time and distance problem
- -Physician
- · Replies 4 ·
Car accelerating from 234 km/h at 9 m/s² for 20 seconds
- -Physician
- · Replies 5 ·
Calculating Tensions T1 and T2 for a Mass at Rest
- ScienceGeek24
- · Replies 2 ·
How Does the Doppler Effect Alter Perceived Train Whistle Frequencies?
- Coushander
- · Replies 18 ·
How Do I Calculate Electric Forces Between Charges?
- calculusisrad
- · Replies 2 ·
Special relativity and magnitude and direction of velocity
- tebes
- · Replies 7 ·
How Does the Vis-Viva Equation Explain Orbital Speed Changes to Reach the Moon?
- Lucy Yeats
- · Replies 3 ·
Spring launcher energy and spring oscillation in loaded trucks
- thephysicsm
- · Replies 5 ·
Charge passing through points in a capacitor circuit
- mm2424
- · Replies 4 ·
What is the formula for work and how can it be defined?
- -Physician
- · Replies 7 ·
Calculating the Radius of a Circle for Masses Attached by a Cord
- ScienceGeek24
- · Replies 1 ·
Calculating Voltage Across a Capacitor in a RC Circuit with Two Resistors
- ProjectENIS
- · Replies 7 ·
Determination of Earths radius with known latitude and sun travel times
- frozenguy
- · Replies 7 ·
Does Ohm's law hold true for materials with zero resistance?
- Sefrez
- · Replies 2 ·
Is Force Definable with Given Velocity, Time, and Displacement Data?
- -Physician
- · Replies 5 ·
Coefficient of friction for block sliding down 34° slope
- aznpiggy
- · Replies 3 ·
Ranking balls thrown horizontally by time to ground and distance
- desire0701
- · Replies 22 ·
Finding Points of Destructive Interference for Two In-Phase Speakers
- zack7
- · Replies 5 ·
How Do You Calculate Current in a 10 Ohm Resistor Using Kirchhoff's Loop Rule?
- KendrickLamar
- · Replies 9 ·
Kinetic Energy/work finding the distance
- razzmatazz
- · Replies 2 ·
Thermodynamic with inelastic collision
- physikx
- · Replies 10 ·
Electric Field due to Solid Non-Conducting Cylinder
- thiefjack
- · Replies 2 ·
Calculating Electric Potential on a Nonconducting Rod
- DODGEVIPER13
- · Replies 6 ·
What is the Maximum Height of a Pendulum on the Right?
- dman2522
- · Replies 1 ·
Resistors in Series, in Parallel
- rabcdred
- · Replies 1 ·
Find Radius of Circle for 2kg Mass and 4kg Mass
- ScienceGeek24
- · Replies 9 ·
Proving Ohm's Law between 2 circuits
- superjose
- · Replies 2 ·
Inconsistent calculations with Hooke's Law/Elastic Potential Energy
- freethinker
- · Replies 6 ·
Expression for Electric Field Outside Sphere
- Ryan129
- · Replies 1 ·
Tension in a vertical circle with a 0.5 kg ball on an 80 cm cord
- ScienceGeek24
- · Replies 2 ·
Total Charge on the Cylinder (Gauss' Law)
- Alouette
- · Replies 4 ·
Point Charge Check? Point Charge Check!
- Fused
- · Replies 8 ·
How Do You Solve Newton's Third Law Homework Problems?
- forcefrom
- · Replies 1 ·
Find current flowing through the wire
- Sean1218
- · Replies 3 ·
Where to find AP Physics C: Mechanics material?
- LindaS
- · Replies 1 ·
Distance spring decompresses when friction is involved
- becky_marie11
- · Replies 6 ·
Is Slow Compression Speed Sufficient for Quasistatic Gas Compression?
- aaaa202
- · Replies 3 ·
Potential energy of a spring and transverse motion
- jskro
- · Replies 5 ·
Calculate Emf in a magnetic field
- GRAvit__
- · Replies 2 ·
Finding argon enthalpy change with specific heat at 300 K
- JJBladester
- · Replies 3 ·
Angular momentum of pendulum bob dropped from horizontal position
- tdub96
- · Replies 2 ·
Car going around banked curve with no friction
- chaotiiic
- · Replies 5 ·
N/CWhat is the Electric Field Strength to Reduce String Tension to Zero?
- coldjeanz
- · Replies 2 ·
Electric potential energy finding velocities
- jbutle54
- · Replies 5 ·
Joining two wires, magnetic fields and a little algebra
- shyguy79
- · Replies 1 ·
Decay of a muon-probability of decay
- sawhai
- · Replies 2 ·
Does the Force Formula F=m x 10 N/kg Apply to Bodies at Rest or in Motion?
- -Physician
- · Replies 10 ·
Solved: Calculating Force Needed for Archimedes' Principle
- suzukits
- · Replies 2 ·
Ball dropped from 1.5m, rebounds to 1m: finding energy and velocity
- Hazim1214
- · Replies 1 ·
Cosmic microwave background fits the blackbody radiation spectrum
- rbwang1225
- · Replies 1 ·
Why does the recoiling nucleus have a smaller momentum than the alpha particle?
- jsmith613
- · Replies 2 ·
Body mechanics examples for quiz on center of mass and levers
- Dr.House0
- · Replies 5 ·
Finding the velocities of these segments?
- chinnie15
- · Replies 6 ·
2 unit negative chargees and a positive charge +q are along the same
- partho550
- · Replies 1 ·
Finding magnitude and angle for vectors a and b
- HeroicEdge
- · Replies 1 ·
Force exerted by water on a tube
- Quantum Mind
- · Replies 10 ·
Derivation of electric field for a dipole.
- Scintillation
- · Replies 1 ·
Rotation of Rod Homework: Max Angle, Motion Analysis
- rbwang1225
- · Replies 3 ·
Calculating Electric Field Values for Point-Line Plate
- kgal
- · Replies 7 ·
Find y-component of Electric Field
- Erik1248
- · Replies 1 ·
Three light bulbs in parallel circuit and Currents
- kfreshn
- · Replies 2 ·
Level 3 Forces Problem - Coefficient of Static Friction
- PeachBanana
- · Replies 4 ·
Two masses m1=5 kg and m2=9 kg are connected by a string which passes over
- Abdlellah
- · Replies 7 ·
Estimate the relationship between the maximum and minimum intensity
- Firben
- · Replies 1 ·
Free-body diagrams for blocks with friction and normal force
- emc92
- · Replies 10 ·
Advanced physics problems on electric fields.
- ohyahjohn
- · Replies 1 ·
What is the distance between station a and station b?
- datbert
- · Replies 1 ·
What friction force allows a 10 N applied force to move a body?
- -Physician
- · Replies 6 ·
Missed my class and don't know how to even begin.
- Dko
- · Replies 4 ·
Electric field at point P from two point charges
- nnolan6
- · Replies 8 ·
Block in a verticle circle with friction
- GGDK
- · Replies 13 ·
Do electrons bounce off each other due to electrostatic repulsion?
- heartyface
- · Replies 1 ·
How to Calculate the Charge on Capacitor C5?
- kjlchem
- · Replies 7 ·
Finding unknown resistor in parallel circuit with voltage divider
- rabcdred
- · Replies 1 ·
Paralell Plate Capacitors and Dielectric
- kjlchem
- · Replies 6 ·
Neon gas volume and temperature problems with ideal gas law
- geek2012
- · Replies 23 ·