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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Can a Bullet Break a Bike Chain at 6m Underwater?
- Neil B
- · Replies 7 ·
Angular velocity for a physical pendulum
- NooDota
- · Replies 7 ·
Maximum energy stored in a capacitor? RLC circuit
- Luke Cohen
- · Replies 3 ·
How Does Mixing Water at Different Temperatures Affect Entropy?
- toothpaste666
- · Replies 10 ·
Finding dot and cross products of vectors in yz and xz planes
- hiineko
- · Replies 6 ·
How to Build a Ping Pong Projectile Launcher for Maximum Distance?
- Ah Yiife
- · Replies 4 ·
How Do You Solve a Friction and Motion Problem Involving a Mug and a Tablecloth?
- Zynoakib
- · Replies 14 ·
How Do You Solve Relativity Problems with Perpendicular Velocities?
- Electrophy6
- · Replies 13 ·
What is the Velocity of an Object if Soundwaves Behind it are 3 Octaves Lower?
- Anabell
- · Replies 4 ·
Electricity and Magnetism RC Circuit Conceptual Questions
- Ramanujan143
- · Replies 13 ·
Calculating Impedance of a RLC Circuit Connected to a 60 Hz AC Source
- ayajek
- · Replies 2 ·
What Are the Wave Properties of Light in Prism and Diffraction Experiments?
- Mr.somebody
- · Replies 5 ·
Finding the Work to Move Chocolate
- DameLight
- · Replies 8 ·
Centroid of a uniform shape, using area
- J-dizzal
- · Replies 9 ·
Kirchhoff's Rules Circuit Problem
- scharry03
- · Replies 4 ·
G-Force between 2 objects, find time?
- Oxford365
- · Replies 4 ·
Wave pulse on steel wire with hanging masses: finding mass m
- Second_addition
- · Replies 3 ·
Solve Torque Equation Homework w/ Help & Solution
- Orex
- · Replies 8 ·
Find the magnetic force on the square loop
- Abs
- · Replies 8 ·
Faulty approach to solving a double Atwood's machine
- Rations
- · Replies 3 ·
Finding the angle of projection and its speed in 2D Kinetics
- dahano
- · Replies 7 ·
Finding velocity using given angle
- dahano
- · Replies 3 ·
Projectile Motion: Finding Velocity and Speed with 2-D Kinematics and Calculus
- dahano
- · Replies 5 ·
MCQ Question related to trajectory of two projectiles
- dahano
- · Replies 4 ·
What Is the Correct Equation of Motion for a Pendulum at Any Amplitude?
- olgerm
- · Replies 9 ·
What is the motion of a test charge in a non-uniform electric field?
- Mr.somebody
- · Replies 4 ·
If the angular frequency of the generator exceeds 1/sqrt(LC)
- Luke Cohen
- · Replies 1 ·
How does reducing pressure affect the rate of evaporation?
- Anshuman Bajpai
- · Replies 8 ·
Moving body on an inclined plane
- kaspis245
- · Replies 10 ·
What Shows the Wave-Particle Duality of Light in the Compton Effect Experiment?
- Mr.somebody
- · Replies 1 ·
What Is the Minimum Coefficient of Friction Needed for a Sphere Against a Wall?
- rpthomps
- · Replies 3 ·
Calculate the resolution of pressure sensor ( altimeter ) ?
- ThienPhuNg
- · Replies 1 ·
Why does a scale read zero for a man at the equator?
- Kernul
- · Replies 7 ·
Speed of sound in oxygen using Kundt's tube at 400 Hz
- Second_addition
- · Replies 3 ·
Speed of mass relative to wagon with pendulum on moving wagon
- Alex.malh
- · Replies 2 ·
Pressure inside a sealed container
- James1995
- · Replies 2 ·
What determines the curvature of a particle's path in an electric field?
- nikoniko1234
- · Replies 8 ·
How do I normalize a force distribution F(x) to a total force F0?
- skrat
- · Replies 23 ·
Impulse exerted on car during collision
- naianator
- · Replies 4 ·
Work needed to expand a very heavy gas under high pressure
- Gaspar_Paya
- · Replies 2 ·
Finding what angle is the Normal force is.
- lion_
- · Replies 4 ·
Classifying standing waves and their frequencies
- Dalip Saini
- · Replies 1 ·
Change in gauge pressure using viscous flow through a pipe.
- KAC
- · Replies 6 ·
What is the stretch of the spring?
- KAC
- · Replies 7 ·
What is the electric field at point P?
- Mr.somebody
- · Replies 1 ·
Gravitational force calculation with unit analysis
- Ellen W.
- · Replies 9 ·
Equilibrium Position in Terms of Masses, Length, and Distance
- FallenLeibniz
- · Replies 13 ·
Elastic Head-On Collision, Spring Compression.
- Noxate
- · Replies 1 ·
Calculating Distance Between Two Charged Objects
- Mr.somebody
- · Replies 2 ·
Why take integral of V^2 when deriving Vrms?
- KingDaniel
- · Replies 19 ·
Angular momentum along a sloping line
- rpthomps
- · Replies 8 ·
Two-source interference: why is 3.5λ not in the given wavelengths?
- Second_addition
- · Replies 2 ·
How High Will the Puck Shoot Up from the Plate?
- Samei
- · Replies 27 ·
Finding potential difference from kinetic energy gained by charged particle
- TAMUwbEE
- · Replies 10 ·
Center of Mass of open top cylinder
- naianator
- · Replies 9 ·
The relationship between electric potential and field.
- Yumrey
- · Replies 6 ·
Finding current in a circuit using Kirchhoff voltage law
- wanderer0102
- · Replies 1 ·
Simple Harmonic Motion and phase constant
- Dalip Saini
- · Replies 6 ·
Electric fields, particles and deflection
- Mr.somebody
- · Replies 3 ·
Finding mechanical energy of simple harmonic oscilator
- Dalip Saini
- · Replies 3 ·
Calculating Force Applied to Golf Ball by Club with Limited Data
- Nevolute
- · Replies 6 ·
Determine magnitude of change in velocity and direction
- Lee Kah Mun
- · Replies 2 ·
Question on motion in a straight line
- Vishesh1999
- · Replies 5 ·
Calculating Impulse Ratio for Colliding Molecules A and B
- Fuzzykatecake
- · Replies 5 ·
Ball Bearing Speed Calculation in Elevator
- Fuzzykatecake
- · Replies 6 ·
Why does a square of alternating charges have infinite neutral points?
- sivadas
- · Replies 9 ·
Electric Field and Potential difference
- hellojojo
- · Replies 3 ·
How does temperature affect gas pressure at constant volume?
- Blanchette
- · Replies 3 ·
Shadow from aperture in front of screen in ray optics
- Woah_Moses
- · Replies 2 ·
Calculating Potential Difference in a Teltron Tube
- LXX
- · Replies 4 ·
Calculating the mass of the Earth
- ccapanni
- · Replies 2 ·
How Do You Calculate the Mass of the Plane After Intercepting Luggage?
- Oxford365
- · Replies 23 ·
Does a support point have a horizontal force component in static equilibrium?
- Sarah00
- · Replies 9 ·
Finding initial velocity of body thrown upward for 10 seconds
- Shahab Mirza
- · Replies 11 ·
What is the wavelength of light used in Young's double-slit experiment?
- Hannahj1
- · Replies 2 ·
Problem Concerning Inelastic collisions.
- HermitOfThebes
- · Replies 13 ·
Finding diffraction grating spacing and maximum order
- Hannahj1
- · Replies 2 ·
2-D Motion Problem with 2 masses attached by a string.
- slavik12
- · Replies 1 ·
Solve RC Circuit Problem: 45V -> 10V in 4.21ms
- alteradoplebada
- · Replies 4 ·
A block sliding down a ramp lab (with friction)
- stacope32
- · Replies 10 ·
Varying Direct Current and Alternating current
- KingDaniel
- · Replies 14 ·
Figuring this circuit's amp before resistor one
- StevenTorman
- · Replies 7 ·
Regarding efficiency of heat engines
- Nitin Gupta
- · Replies 3 ·
Gauss's Law vs Coulomb's law problem
- yeshuamo
- · Replies 3 ·
Particle flow in wires of same current but diff diameter?
- toforfiltum
- · Replies 9 ·
Object attached in between two or more springs
- faithrose123
- · Replies 1 ·
Why does direction affect velocity in energy conservation?
- Samei
- · Replies 6 ·
Motion of charged particles in electric and magnetic fields
- LXX
- · Replies 3 ·
What Does Function of State Mean in Thermodynamics?
- KingDaniel
- · Replies 6 ·
Larmor precession and magnetic ordering
- DeathbyGreen
- · Replies 4 ·
Statics, friction of a rope around a post
- J-dizzal
- · Replies 3 ·
Why didn't this work? (Pun intended)
- Kyle.Nemeth
- · Replies 4 ·
Static equilibrium. Friction example
- J-dizzal
- · Replies 14 ·
Friction of a sliding door with one of its wheels "frozen"
- J-dizzal
- · Replies 19 ·
Object slides in rolling cylinder
- Nathanael
- · Replies 40 ·
Circuit Questions -- Electrons flowing in wires and a resistor
- r0306
- · Replies 12 ·
Box Pushed Up an Incline Ramp: Basic Newton's Law Questions
- Kathy W
- · Replies 3 ·
Variation of Force-time graph for person opening parachute
- toforfiltum
- · Replies 10 ·
Conservation of momentum in a mechanics problem
- eli meril
- · Replies 5 ·
Kinetics of a rigid body (conservation of energy)
- sseebbeekkk
- · Replies 11 ·