Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
What Is Rosie's Power Output When Pushing a Box?
- Yavko2510
- · Replies 2 ·
How Does Height Affect the Diameter of a Water Drop Impact?
- DizzyDoo
- · Replies 1 ·
Where Will the Car Overtake the Truck?
- mbecker19
- · Replies 6 ·
How Is Work Calculated When Pulling a Blimp with Drag and Angle Considerations?
- hganser
- · Replies 3 ·
Understanding Derivatives, velocity and acceleration
- intenzxboi
- · Replies 3 ·
Two equal ropes at 86° angle supporting 372 N weight
- J89
- · Replies 3 ·
Electric Field in a Non-symmetric Sphere (Purcell 1.16)
- r16
- · Replies 3 ·
Eng. Mechanics I Bonus question
- CJSGrailKnigh
- · Replies 25 ·
What is the speed of the bullet in a ballistic pendulum collision?
- nns91
- · Replies 2 ·
Understanding Vector Products and Properties: Sorting Fact from Fiction
- x^2
- · Replies 3 ·
How Do Units Affect Hydrogen Wavefunction Normalization in FORTRAN?
- peanutbutter
- · Replies 1 ·
Calculating Force to Tip a Box Dragged Across Floor
- Shiz
- · Replies 2 ·
Finding an oscillator's period with a dataset in Mathematica
- Shukie
- · Replies 1 ·
Ball Speed at Window Top from 38.8m Building: 13m in 2s
- mbecker19
- · Replies 1 ·
How Do You Calculate the Total Displacement of a Car Accelerating Uniformly?
- intenzxboi
- · Replies 1 ·
What is the angle between a vector and the positive x-axis?
- mbecker19
- · Replies 5 ·
Hollow cube - moment of inertia
- blr
- · Replies 15 ·
Drawing lemonade of density 1000 kg/m3 up a straw to a maximum height
- Forceflow
- · Replies 4 ·
Finding charge and energy from a current-time graph
- Zythyr
- · Replies 9 ·
Midpoint of P and Q: Finding 1/3 Distance
- sdoyle
- · Replies 2 ·
Magnitude and direction of the current in conductor
- bap902
- · Replies 3 ·
How Many People Can a Raft Hold While Keeping Feet Dry?
- chantalprince
- · Replies 11 ·
Flight time of Projectile motion
- wassup
- · Replies 3 ·
Find the acceleration of a race car traveling up a curve
- Rubber Band
- · Replies 8 ·
How to Calculate Mechanical Advantage of Box On a Board
- syang9
- · Replies 2 ·
Basic special relativity question
- theneedtoknow
- · Replies 2 ·
Tension elevator on a scale problem
- freepancakes
- · Replies 2 ·
Tension in two wires supporting a 150N lamp at 120° and 90°
- WakeOfBeauty
- · Replies 6 ·
Center of mass of a rod question.
- hellomister
- · Replies 6 ·
Linear speed and radial acceleration of 12.7mm drill bit at 1250 rev/min
- marcuss
- · Replies 1 ·
Thermal Conduction - Finding Temperature of Interface Between 2 Slabs
- MadmanMurray
- · Replies 1 ·
Finding the x-component of force on a point charge near a charged rod
- lmlgrey
- · Replies 5 ·
Thermal Equilibrium: Solving for the Specific Heat of an Unknown Metal
- ApexStudent1
- · Replies 2 ·
Possible Difference in Light Paths for Coherent Sources at Point P?
- jullrich
- · Replies 5 ·
Calculating frequency and amplitude from oscilloscope traces
- I'mstuck...x
- · Replies 1 ·
Girl Throws Weights: Calculate Speed Relative to Ground
- abbie
- · Replies 1 ·
Electric Charge of Water droplet falling
- hemetite
- · Replies 2 ·
Solving a 1500 W Heater Short Circuit
- Gogsey
- · Replies 3 ·
Electric field and point charges
- Inertialforce
- · Replies 1 ·
How Much Force Does a Falling Boy Exert on a Net?
- Xept
- · Replies 1 ·
Film interference with light and refration
- stickplot
- · Replies 1 ·
What is the Solution to a Tension Problem using Trigonometry?
- jonnyboy
- · Replies 3 ·
Banking a Road: Calculating the Angle at 30ms^-1
- Identity
- · Replies 1 ·
Improving accuracy in a simple pendulum experiment to measure g
- chopstick
- · Replies 6 ·
Calculating Force on a Wire in a Magnetic Field
- predentalgirl1
- · Replies 2 ·
What Orientation Produces Maximum Torque in a Magnetic Field?
- Inertialforce
- · Replies 1 ·
"Calculating Work Needed to Change Orbits
- Identity
- · Replies 4 ·
Max acceleration and speed for y(t)=2.0cos(0.5t+π/4)
- Kudo Shinichi
- · Replies 3 ·
Finding the y-component from Vectorys
- Jordash
- · Replies 7 ·
Torque and angular momentum of a swing
- dimpledur
- · Replies 3 ·
Calculate Force on Submarine Hatch due to Seawater Pressure
- dimpledur
- · Replies 5 ·
How Do Incline Angles Affect the Speed of a Rolling Ball?
- nvez
- · Replies 4 ·
Mass compressing spring: finding maximum compression distance
- nvez
- · Replies 6 ·
Physics thermodynamics equation
- proace360
- · Replies 1 ·
What does fraction of G mean? (SI units)
- Kalie
- · Replies 5 ·
What Distance Must a Rock Fall to Double Its Speed?
- swede5670
- · Replies 1 ·
Water stream narrowing from 16mm to 10mm diameter
- ch2kb0x
- · Replies 1 ·
Net Potential Energy between two Adjacent Ions
- Saladsamurai
- · Replies 4 ·
Why use opposite signs of g for rocks thrown up and down
- hachi_roku
- · Replies 1 ·
The Attempt at a SolutionLaunching 1000kg Weather Rocket: 5100m in 20s
- hachi_roku
- · Replies 4 ·
New to the board. Can I get some guidance on a couple of questions?
- lsumatt
- · Replies 3 ·
Water velocity and pressure in hose-nozzle system
- mujadeo
- · Replies 1 ·
Calulating voltage across a resistor
- wormvortex
- · Replies 6 ·
How Do You Calculate the Charges on Two Spheres in Electrostatic Equilibrium?
- krnaudio
- · Replies 1 ·
Comparing wavelength and frequency ratios between visible light and radio waves
- stickplot
- · Replies 2 ·
How Do You Calculate the Time and Height of a Ball Thrown Upwards?
- calisoca
- · Replies 4 ·
What is the Angle of Deflection in a Colliding Ball and BB Gun Problem?
- mixedmetaphor
- · Replies 2 ·
What is the angle at which the archer fired the arrow?
- matty796
- · Replies 4 ·
Object thrown horizontally from cliff: finding height
- physicznoob
- · Replies 6 ·
Calculating Overtaking Time and Distance in One-Dimensional Motion
- Ayesh
- · Replies 4 ·
Velocity Time graphs and Displacements
- amd123
- · Replies 3 ·
How Large is the Spherical Cavity Inside the Concrete Chunk?
- wallace13
- · Replies 1 ·
Calculating Gauge Pressure in a Two-Story House
- wallace13
- · Replies 2 ·
Wierd question involving time and acceleration
- amd123
- · Replies 3 ·
Buoyancy (Weight of a barbell underwater)
- wallace13
- · Replies 2 ·
Beginnger Coefficient of Kinetic Friction Problem
- amd123
- · Replies 2 ·
Magnetism and force on a conductor
- Inertialforce
- · Replies 2 ·
Momentum and Collisions in 2 dimensions
- cheese825
- · Replies 1 ·
Why Do These Basic High School Physics Problems Confuse Me?
- MR_COW
- · Replies 6 ·
Circular Motion: Radial Distance vs. Period of Rotation
- Thereheis
- · Replies 2 ·
Is It True That Ideal Fluids Always Flow from High Pressure to Low Pressure?
- syang9
- · Replies 1 ·
How Do You Calculate Uncertainty in Volume and Trigonometric Functions?
- ncm2
- · Replies 5 ·
Circular motion, projectile, collision, and spring oscillation problem
- Phillipc
- · Replies 2 ·
Cup on a table, heat or work process?
- Kites
- · Replies 1 ·
What is the maximum height for siphon water drainage?
- syang9
- · Replies 5 ·
How Do You Solve Basic Kinematics Problems?
- amd123
- · Replies 5 ·
How to calculate sound intensity when given decibels
- DMOC
- · Replies 3 ·
Conservation of Momentum Problem- Bullet
- Littlemin5
- · Replies 5 ·
Elastic collision shuffleboard problem
- KD-jay
- · Replies 2 ·
Solving the Last Practice Problem: A Coast Guard Challenge
- anuman
- · Replies 3 ·
Maximum acceleration before tipping occurs
- oldmancan
- · Replies 8 ·
Physics Particle Movement Calculations
- Jordash
- · Replies 4 ·
Bullet embeds in wood block, find maximum height
- toasted
- · Replies 2 ·
I solving three problems (2 for friction, 1 in hooke's law)
- accol
- · Replies 2 ·
Does the weak force affect electrons or quarks?
- temaire
- · Replies 3 ·
Sound intensity in a soundproofed room with decibel difference
- phys62
- · Replies 1 ·
Magnetism - Quick solenoid question
- thehammer
- · Replies 3 ·
What is the intensity formula for a spherical sound wave?
- Pastel
- · Replies 2 ·
Calculate Flux Density of Current Loop
- LandonV
- · Replies 9 ·