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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Solve Kinematics Problem: 2 Stones Meeting at Height
- marco101
- · Replies 3 ·
Balancing area of a loop and magnetic field through it
- uzair_ha91
- · Replies 1 ·
Velocity, acceleration, and position graphs
- Porcelain
- · Replies 2 ·
How Far Does the Cop Travel to Catch the Speeder?
- nhsu
- · Replies 1 ·
How shud i apply lenz's law to this?
- uzair_ha91
- · Replies 5 ·
Dropping a Ball off a cliff collision
- George3
- · Replies 5 ·
Derivation of Doppler Shift from Frequency to Wavelenght
- IBY
- · Replies 11 ·
What are the components and magnitude
- Panix
- · Replies 1 ·
My last kinematics batch (conceptuals)
- clairez93
- · Replies 2 ·
This is the correct average velocity for the entire trip.
- pillar
- · Replies 3 ·
Calculating Microwave Oven Energy Transfer: What Information Do I Need?
- ninjadrummer8
- · Replies 5 ·
Gravitational force from Earth on a 1.7kg rock on the Moon
- slu1986
- · Replies 7 ·
Finding an angle given only the Coefficient of static friction
- slu1986
- · Replies 5 ·
Solving for the X and Y components of a Vector
- slu1986
- · Replies 4 ·
Rocket acceleration as function of position
- kirab
- · Replies 9 ·
Projectile motion conceptual problem
- raymondlam
- · Replies 3 ·
Understanding resistors and voltage drop
- talaroue
- · Replies 7 ·
Getting a contradiction when integrating a total differential
- Azorspace
- · Replies 1 ·
How long do the balls take to hit the ground?
- Leo34005
- · Replies 3 ·
Distance Travelled by a Particle with Lifetime of 1*10^8 sec
- asdf1
- · Replies 7 ·
Determine the charge on each ball
- arslion
- · Replies 1 ·
U-shaped conductor on incline with Earth's magnetic field
- ninjadrummer8
- · Replies 2 ·
Accelation problem, how do I change units (km/h to m/s)?
- pillar
- · Replies 7 ·
Can a body have zero velocity with nonzero acceleration?
- hasanhabibul
- · Replies 6 ·
How Does the Poluly Equation Explain Speed and Pressure at a Microscopic Level?
- tianbian
- · Replies 2 ·
Boy sledding down a hill: find distance to reach 7.60 m/s
- Leo34005
- · Replies 1 ·
Car's Final Velocity and Distance Traveled in Braking Period
- Leo34005
- · Replies 1 ·
Calculating Electric Potential of a Proton in Hydrogen Atom
- FelixISF
- · Replies 5 ·
Conversion and Mass Calculations: Acceleration, Momentum, and Water Mass
- dabryanman
- · Replies 5 ·
Why do protons accelerate towards regions of low potential?
- FelixISF
- · Replies 5 ·
Electrostatics (conduction) and polarization.
- ThetaPi
- · Replies 2 ·
ELECTROMAGNETISM-torque on a current coil
- jsalapide
- · Replies 3 ·
Electric field from a semicircular ring of charge
- exitwound
- · Replies 16 ·
Are my answers correct? -Equilibrium
- honestliar
- · Replies 1 ·
Voltage and current sources; circuit
- bakin
- · Replies 1 ·
Sliding on a sliding hemisphere
- Nanyang
- · Replies 1 ·
Vector addition using components
- chocolaterie
- · Replies 1 ·
How Do You Calculate the Resultant Vector in Physics?
- chocolaterie
- · Replies 1 ·
Electrostatics: Moving Charge (comprehension problem)
- jackqpublic
- · Replies 1 ·
Reaction time and acceleration.
- miamirulz29
- · Replies 3 ·
What is the value of F_max for an impulse of 6.8 Ns in the given figure?
- krej
- · Replies 2 ·
Classical or quantum electromagnetic theory?
- orlan2r
- · Replies 12 ·
Volume of Pyramid: 28370.082 m3
- movsesinator1
- · Replies 4 ·
How Does the Cross Product Transform Under Inversion in Vector Analysis?
- noblegas
- · Replies 10 ·
Calculating the Mass of a Hollow Pipe Using Density and Dimensions
- movsesinator1
- · Replies 2 ·
How steep is the hill at a point 1 mile north?
- noblegas
- · Replies 6 ·
What is the Electric Field at a Point Near an Infinite Line of Charge?
- TwinGemini14
- · Replies 3 ·
Maximum Overhang for Uniform Blocks
- Amar.alchemy
- · Replies 4 ·
Scattering angle when photon and electron scatter at equal angles
- bluesnake
- · Replies 3 ·
How Does Kicking a Soccer Ball Affect Its Momentum and Force?
- songoku
- · Replies 8 ·
What is the distance between a diverging lens and a filament?
- songoku
- · Replies 11 ·
Two balls colliding head-on elastically with same speed
- espen180
- · Replies 6 ·
Shortest period of a simple pendulum
- Scarlitt14
- · Replies 2 ·
Why Is My Calculation of EMF in Electromagnetic Induction Incorrect?
- uzair_ha91
- · Replies 1 ·
How to rank household materials by electronegativity using charged combs
- tiffanysnsd
- · Replies 12 ·
Density of a platinum-iridium cylinder
- Minihoudini
- · Replies 3 ·
GRE question - Work-KE theorem?
- eprparadox
- · Replies 1 ·
Find the charge on a piece of dust
- brownca31089
- · Replies 5 ·
Simplifying Uncertainty in g: Using Derivatives to Solve for Δg
- J-NCF
- · Replies 1 ·
What Potential Difference Is Needed to Stop an Electron?
- eprparadox
- · Replies 1 ·
Understanding the Wedge Problem in Conservation of Momentum and Energy
- manenbu
- · Replies 10 ·
Volume of a Carton: 35.5cm x 27.23cm x 54cm
- tommyjohn
- · Replies 4 ·
Finding where electric field is zero between charges of -7 and +3
- exitwound
- · Replies 20 ·
Why Is My Calculation of the Electric Field Incorrect?
- exitwound
- · Replies 13 ·
Electromagnets and magnetic field.
- poojarao
- · Replies 1 ·
Foam rubber ball hanging in a string - Forces
- Norway
- · Replies 1 ·
How does Raman scattering differ from fluorescence in photon absorption?
- ananthu
- · Replies 3 ·
Does the parachute exert a force upward?
- pointintime
- · Replies 1 ·
Finding speed of spring-mass system at a given displacement
- Elvis
- · Replies 1 ·
Vector question on component subscripts
- pillar
- · Replies 3 ·
How Do Newton's Laws Apply to Real-World Physics Problems?
- cmculbert
- · Replies 1 ·
Insect using surface tension change to escape predators
- kongieieie
- · Replies 1 ·
Solving Vibrations and Waves: Mass, Spring Constant, Energy, Speed
- Elvis
- · Replies 1 ·
1.) Net electric field and 2.) Maximum electric field from centre of a ring
- irnubcake
- · Replies 7 ·
Conservation Laws in Rotational Motion Physics
- Lma12684
- · Replies 9 ·
Finding equilibrium point for electron near two point charges
- fball558
- · Replies 1 ·
Finding planet mass from satellite orbital period and radius
- bbhh
- · Replies 4 ·
How Do You Solve for Charges Using Coulomb's Law Equation?
- exitwound
- · Replies 8 ·
What Is the Correct Value of k in Coulomb's Law Calculations?
- fball558
- · Replies 2 ·
How do you devrive equations in kinematics
- DARTZ
- · Replies 2 ·
How Do Excited Mercury Atoms Emit Light at 436 nm?
- VIPOWER
- · Replies 3 ·
Which Wave Function Describes a Wave Moving in the -x Direction?
- kpx001
- · Replies 1 ·
What is the acceleration of the block on a frictionless wedge?
- Villhelm
- · Replies 5 ·
Do incident and reflected wave normal components have opposite signs?
- _Andreas
- · Replies 8 ·
Equilibrium of Charges using Coloumbs Law
- gc33550
- · Replies 4 ·
Solve Track Runner Deceleration Problem
- cerberus9
- · Replies 6 ·
Balance condition for inductor bridge
- zd1899
- · Replies 3 ·
Heisenberg uncertainty principle and rock drop miss distance
- kongieieie
- · Replies 1 ·
What is the mass of the wagon in this physics problem?
- hebden
- · Replies 2 ·
What does the 1.5m distance represent in the baseball pitch problem?
- Hitokiri
- · Replies 2 ·
How do I solve problem 3.9b in my homework?
- khizman
- · Replies 5 ·
Adding vectors and angles using trig
- talaroue
- · Replies 24 ·
How to find the spring constant?
- jrodgers
- · Replies 6 ·
Estimating Distance from Earth to Sun Using Trigonometry
- efekwulsemmay
- · Replies 8 ·
Linear Charge Density (Question on the problem)
- exitwound
- · Replies 2 ·
Fluid and heat transfer in a hot water heater
- Elvis
- · Replies 1 ·
What is the relationship between wavelength and phase for mechanical waves?
- kpx001
- · Replies 5 ·
Solving for a Vector - Resultant Known
- math4life
- · Replies 4 ·
Simple but poorly worded unit conversion question
- dvs0826
- · Replies 5 ·
Calculating Minimum Normal Force for a Climber in a Vertical Chimney
- keropi080
- · Replies 10 ·