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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Rotation in a cylindrical cylinder (fluid)
- hotjohn
- · Replies 1 ·
Converting encoder counts to angle and RPM for 128 count motor
- AC130
- · Replies 4 ·
Amplitude and Young double slit experiment
- MBBphys
- · Replies 1 ·
How Does the Wavelength Change at the Fourth Resonance in a Closed Air Column?
- hamza2095
- · Replies 7 ·
Momentum transferred to sphere by reflected light
- Dazed&Confused
- · Replies 7 ·
How Far Does a Tuning Fork Tine Travel in One Minute?
- Sace Ver
- · Replies 5 ·
Why do lower temperatures result in lower specific heat capacity?
- Reety
- · Replies 7 ·
Water wave speed with wavelength 4.4m and period 1.5s
- Sace Ver
- · Replies 8 ·
Conceptual Question on acceleration and circular motion
- RoboNerd
- · Replies 6 ·
Switches changing brightness of bulbs
- AstroJMT42
- · Replies 11 ·
What is the Current Passing Through a 5mH Inductor in Steady State?
- Suraj M
- · Replies 18 ·
Finding the total translational KE of 1kg of Neon
- Will Griffiths
- · Replies 4 ·
How to Calculate Work on an Object with Varying Position-dependent Force?
- mcmuffinpopper
- · Replies 5 ·
How to Use Symbols to Solve a Ramp Problem?
- Flinze
- · Replies 2 ·
Total energy of the flowing fluid
- goldfish9776
- · Replies 1 ·
How do I figure out the final position of the block?
- Chozen Juan
- · Replies 4 ·
Why is P1 = P_atm - ρ_water(gh2) - ρ_oil(gh1) + ρ_mercury(gh3)?
- goldfish9776
- · Replies 10 ·
Finding the frequency of a vibrating particle on a string?
- kregg87
- · Replies 2 ·
Calculate Pressure: Elephant Mass 4000 kg, Leg Diam 25 cm
- Nanu Nana
- · Replies 5 ·
Finding relative density of glycerin from mass of container
- Nanu Nana
- · Replies 22 ·
2 vectors with cylindrical polar coordinates
- hmaier
- · Replies 9 ·
Formula of weight of surface water
- goldfish9776
- · Replies 3 ·
Why is dy 0.005/2 and not 0.005 in shear stress calculation?
- goldfish9776
- · Replies 3 ·
Force on a charged particle inside a charged spherical balloon
- somerandomuser
- · Replies 6 ·
Ball velocity from box sliding distance: energy vs momentum
- fishspawned
- · Replies 6 ·
How to find the speed of a planet around the sun
- Matthew_Maz
- · Replies 1 ·
Density: Cube of Aluminum to Copper Sphere
- JustinDaniels
- · Replies 3 ·
What Is the Equilibrium Pressure Inside Two Connected Containers of Ideal Gas?
- Aestus
- · Replies 7 ·
Finding final speed of object on incline
- RoboNerd
- · Replies 5 ·
Harmonic motion- Two springs, One mass
- Lito
- · Replies 9 ·
How does the length of a solenoid affect its magnetic field strength?
- ft92
- · Replies 5 ·
Satellite angle, remote sensing
- Firben
- · Replies 5 ·
Heat Capacities Given Equation of State
- Yoni V
- · Replies 5 ·
2D elastic collision between identical balls at 30°
- Jam51
- · Replies 23 ·
Where will a meter stick with a 2N weight at the 10cm mark balance?
- Rumplestiltskin
- · Replies 15 ·
Effect of rotating polarizer on intensity of transmitted light
- NihalRi
- · Replies 3 ·
What is the State of Water in a Rigid Container at 120oC?
- Monsterboy
- · Replies 21 ·
What Determines Equilibrium in a Liquid-Vapor System?
- erisedk
- · Replies 2 ·
Specific Heat of an Ideal Gas: Temperature vs. Molecular Weight and Structure
- Monsterboy
- · Replies 5 ·
Static measurement of Spring constant with error value
- RJLiberator
- · Replies 11 ·
Force on 30kg cart from 50kg cart when pushed together
- Drake M
- · Replies 6 ·
Man pulling 15-kg sled with 5-kg dog: work and KE graph
- ZCV99
- · Replies 4 ·
(Simple Electromagnetics) A charge placed between 2 charges
- runninthrutha6
- · Replies 3 ·
How Is Work Calculated in Thermodynamic Processes?
- kent davidge
- · Replies 9 ·
Understanding Electrostatics: Calculating Potential of Metal Spheres
- vijayramakrishnan
- · Replies 1 ·
Calculating Mass and Velocity of Exploding Object Pieces
- cvc121
- · Replies 4 ·
Interference of light Intensity
- mbnMecha
- · Replies 3 ·
2 capacitors reaching equillibrium?
- **Mariam**
- · Replies 27 ·
Finding final pressure when heating a tank 70% filled with water
- Baybora
- · Replies 24 ·
Why Isn't Induced Charge Shown in Electrostatics Problems?
- vijayramakrishnan
- · Replies 5 ·
Rearranging change in kinetic energy for mass
- Marts12
- · Replies 2 ·
Finding the mass of a quantity of gas given P, V, T
- Kitaek Lee
- · Replies 5 ·
Frequency problem (static equilibrium)
- toesockshoe
- · Replies 2 ·
Finding acceleration in multiple pulley system
- Aireaz
- · Replies 1 ·
What is the maximum displacement of the wagon during the motion of the bead?
- Karol
- · Replies 15 ·
Egg Drop Competition - Using popsicle sticks vs straws
- LevelsToThis
- · Replies 1 ·
Understanding why the initial height of one block is equal t
- RoboNerd
- · Replies 33 ·
Calculating the Stopping distance
- xavierengineering
- · Replies 7 ·
Bernoulli River: Calculating Water Speed
- Dilman Sidhu
- · Replies 5 ·
What is the solution for finding F1 and F2 when angles are not equal?
- Kalenz
- · Replies 2 ·
Final velocity of a car rolling down a ramp using energy
- rbesfe
- · Replies 1 ·
How Fast Does a Tornado Travel If Lightning Strikes Twice?
- **Mariam**
- · Replies 10 ·
Kepler's laws multiple choice question analysis
- **Mariam**
- · Replies 3 ·
A car stopping on a slippery surface on an uphill
- Heidi Henkel
- · Replies 41 ·
Calculating Electric Field and Distance for a Point Charge
- WeiLoong
- · Replies 9 ·
MCQ question 8 on total energy
- **Mariam**
- · Replies 1 ·
Is electric potential a vector or scalar quantity?
- WeiLoong
- · Replies 4 ·
Work and power to pull a 70 kg skier up a 30° slope at constant speed
- komarxian
- · Replies 9 ·
Questions about 3 colliding object. Can i get some help?
- Botond
- · Replies 5 ·
The internal energy in isobaric process
- Jiya
- · Replies 21 ·
Instantaneous Velocity of a electron with a provided formula
- Flinze
- · Replies 8 ·
Determining the rate at which speed changes
- x2017
- · Replies 10 ·
Variation on 3-ball elastic collision
- epilepticbunny
- · Replies 7 ·
Absorption Line's Different Wavelengths
- Atominate
- · Replies 10 ·
Electric intensity at orthocenter of a triangle.
- Julian102
- · Replies 2 ·
Can a Bridge Voltage Divider be Used to Calculate Voltage Gain?
- Pablo3
- · Replies 8 ·
What Is the Potential at the Center of Concentric Metallic Spheres?
- Yashbhatt
- · Replies 23 ·
How Do Clocks on Moving Trains Behave Near a Tree?
- Dennydont
- · Replies 2 ·
Calculating m for a Sloping Block with Increased Mass
- goldfish9776
- · Replies 17 ·
Constraint of moment about an axis
- goldfish9776
- · Replies 13 ·
Center of mass for two small particles
- myko
- · Replies 4 ·
Total forces acting downward on the plane
- goldfish9776
- · Replies 2 ·
Solving a 100N Weight Block Motion Problem
- goldfish9776
- · Replies 11 ·
Is average force dependent on the exertion time of force?
- dawningparadox
- · Replies 6 ·
What force needed to launch an object from moon to Earth
- 5P@N
- · Replies 14 ·
Friction between roller coaster and track
- LaszloNagy
- · Replies 15 ·
Minimum work to separate 1 kmol O2 and N2 from air
- obscure
- · Replies 4 ·
How Does the Work-Kinetic Energy Theorem Apply to a Diving Scenario?
- master_333
- · Replies 6 ·
How Do You Calculate the Diameter of a Camera Lens Based on a Photograph?
- BrokenSoul
- · Replies 15 ·
Can student A be lifted off the floor by student B climbing the rope?
- komarxian
- · Replies 13 ·
Electric Field between two charged plates
- ft92
- · Replies 4 ·
Astrophysics - Hour angle calculation
- rozma3
- · Replies 11 ·
Finding equivalent resultant force for distributed load divided into parts
- goldfish9776
- · Replies 6 ·
Collision of rolling billiard balls
- AlonsoMcLaren
- · Replies 4 ·
Calculating mass by pressure needed to move object
- Physics123537
- · Replies 3 ·
Work done by or on a gas from b to c
- kent davidge
- · Replies 9 ·
Solving for FBa: Why 59N and Not 50.6j + 8.43k?
- goldfish9776
- · Replies 5 ·
Calculating Work Done in Pushing a Lawn Mower: A Physics Problem
- master_333
- · Replies 2 ·
What is the maximum deceleration for two boxes in a car without them falling?
- Biker
- · Replies 6 ·