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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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 ·
Force components at 40° angle on a wagon with friction
- Mathcaptor
- · Replies 19 ·
Introductry Physics- Coloumbs Law problem
- moephysics
- · Replies 2 ·
What is a differential equation?
- KAV
- · Replies 2 ·
Spring collision with free vs. held block and sliding cube collision problems
- nns91
- · Replies 7 ·
What Direction Does Surface Tension Pull on a Circular Plate?
- ritwik06
- · Replies 6 ·
Symmetry Arguments-a finite cylindrical can
- jromega3
- · Replies 1 ·
Coefficient Of Friction (Circular Motion)
- Air
- · Replies 5 ·
What Happens to Block Velocities and Spring Compression in a Collision?
- abbie
- · Replies 1 ·
Forced Oscillations of Mass-Spring System: Reasons for Observed Behaviour
- nokia8650
- · Replies 1 ·
How Do You Calculate Tension in a Transverse Wave on a String?
- phys62
- · Replies 1 ·
How Can I Calculate X Ideal for a Water Balloon Launcher?
- manslayer68
- · Replies 2 ·
Classical Mechanics: Solving for x(t) from V(x) = const.
- auslmar
- · Replies 3 ·