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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Calculate Electric Field Magnitude at x=0.5, y=0.5
- kbyws37
- · Replies 6 ·
Determining nuclear radius by electron diffraction
- dt19
- · Replies 2 ·
Two point charges electric field
- kbyws37
- · Replies 7 ·
Is thermal conductivity additive for multiple layers of different materials?
- Xeract
- · Replies 3 ·
Solving Elastic Collision Homework: Player 2's Final Velocity
- LSarah6
- · Replies 1 ·
Does Water Flow Create a Suction in Supply Pipes?
- Idea04
- · Replies 1 ·
Explaining forces, motion, and Newton's laws in assignment answers
- blaziken's_charizard
- · Replies 1 ·
Rolling cylinder with velocity calculations for linkage BC and CD
- desistyle19
- · Replies 1 ·
Finding current in R5 in a complex nested parallel circuit
- pugfug90
- · Replies 2 ·
Calculating Velocity for an Orbit Near Earth's Surface
- kellypmk1
- · Replies 3 ·
Calculating Length of Wire in a Generator Coil with Given Parameters
- cheechnchong
- · Replies 4 ·
Calculating Potential Energy of Spring at Point A on Incline
- Xtasy
- · Replies 1 ·
Calculating Time for Train to Stop Moving Up Inclined Mine
- Aggie
- · Replies 2 ·
Calculating Total Energy Stored in Parallel Capacitors
- BunDa4Th
- · Replies 2 ·
Rocket fired at 75 m/s clearing an 11 m wall 29.5 m away
- RKNY
- · Replies 5 ·
Heating Water Using Circuit Resistor
- Canadian
- · Replies 1 ·
What is the method for calculating moment of inertia for basic geometric shapes?
- Eeduh
- · Replies 4 ·
Rockets burning in terms of momentum conservation
- lebbo
- · Replies 10 ·
Draw a circuit sketch og the two circuit arrangements
- natural
- · Replies 3 ·
Conservation of Momentum- with ramp
- JerG90
- · Replies 1 ·
How Do You Solve for Final Velocity in the Energy Equation Without Mass?
- Matt_AMG
- · Replies 1 ·
How is information transmitted using baseband and modulated transmission?
- Large dwarf
- · Replies 5 ·
Finding the angle of a ball in wind using Newton's second law
- grigabuoy
- · Replies 8 ·
Statics Question: Is my answer correct?
- Mesmer
- · Replies 2 ·
I just dont get this tangential acceleration problem
- anightlikethis
- · Replies 2 ·
Why can't I accurately detect a high fever with my own hand?
- a1densmom
- · Replies 3 ·
Who Experiences Greater Force and Impulse in Baseball, Pitcher or Catcher?
- JerG90
- · Replies 1 ·
Is T=F * r Acceptable for Measuring Torque?
- Harmony
- · Replies 4 ·
Magnetic Forces and Magnetic Fields (mass spectrometer)
- CaffeineNut
- · Replies 8 ·
How Does a Hawk's Collision with a Pigeon Alter Its Flight Path and Speed?
- JerG90
- · Replies 1 ·
How to Calculate the Rate of Condensation of Steam in a Cylinder?
- jdbp2
- · Replies 3 ·
How Do Gases Reach Thermal Equilibrium in a Closed Adiabatic Cylinder?
- evotunedscc
- · Replies 4 ·
Help with circuit algebra equations
- jKotha
- · Replies 2 ·
How to apply exact trig values from a triangle to an equation
- Lavace
- · Replies 1 ·
What Was the Splashdown Speed?
- innersmile
- · Replies 3 ·
Rotation Kinematics and a stupid fridge
- Jester0722
- · Replies 1 ·
Deriving chain tension formula from F = ma
- reidy
- · Replies 29 ·
What is the acceleration of a particle sliding down an inclined plane?
- Lavace
- · Replies 3 ·
Finding currents and voltages in series-parallel resistor circuit
- pugfug90
- · Replies 12 ·
What is the speed of the ball after colliding with a bat at 1.7 m/s?
- Rasine
- · Replies 9 ·
Finding resistance using a series and parallel circuit?
- shaffeb
- · Replies 8 ·
Tangential and radial particle acceleration
- Why-not2007
- · Replies 5 ·
Solid sphere transitioning from sliding to rolling on a friction surface
- nybui
- · Replies 1 ·
Ratio of Electron's Charge to Mass
- Soaring Crane
- · Replies 2 ·
Understanding Inward Flux of an Object
- Ronnin
- · Replies 1 ·
2 parallel rods carrying the same current
- Dart82
- · Replies 4 ·
Calculating Moment of Inertia: What Does 'r' Refer To?
- Eeduh
- · Replies 5 ·
Solving for Work of Gravity in Physics: KE, W, PE at UW-Madison
- cyberdx16
- · Replies 2 ·
Perfectly Inelastic collisions
- chamonix
- · Replies 8 ·
Solving an Equation using the Gravitational Constant
- Thrawn
- · Replies 5 ·
Cancelling units in escape velocity equation
- Thrawn
- · Replies 2 ·
Are inertial frames real and what do they tell us about forces?
- jay ambekar
- · Replies 4 ·
What is the energy of a K x-ray photon in tantalum
- MrDMD83
- · Replies 1 ·
Calculating Energy Difference for K Characteristic X-Ray Line of Tungsten
- MrDMD83
- · Replies 1 ·
How Does Relative Motion Affect Block R's Travel Distance?
- norcal
- · Replies 1 ·
Force and Motion, horizontal forces
- matadorqk
- · Replies 7 ·
What is the resulting increase in the speed of the flatcar?
- norcal
- · Replies 11 ·
Atmospheric pressure in the higher tank
- Idea04
- · Replies 10 ·
Magnetic field at center of loop with nearby straight wire
- Dart82
- · Replies 2 ·
Charge on capacitors in a circuit?
- KingNothing
- · Replies 1 ·
What Is the Speed of the Disk?
- ChaNgeD
- · Replies 4 ·
Solving 4E/R - 9I3/2 = I3 for I3 using Kirchhoff's rule
- jKotha
- · Replies 9 ·
Potential Difference between two points of a circuit
- lylos
- · Replies 1 ·
Torque and Tangential Acceleration
- welterweight08
- · Replies 2 ·
Unit of Momentum | What is the Unit of Momentum?
- Rasine
- · Replies 5 ·
What is the maximum height reached by the other ball after collision?
- Rasine
- · Replies 4 ·
How Do You Calculate EMF and Internal Resistance in a DC Circuit?
- natural
- · Replies 2 ·
Calculating Impact Force of Dropping Metal Ball on Foam Mat
- gonefishing
- · Replies 3 ·
Calculate the clown's velocity as he lands in the net
- Faded Maximus
- · Replies 3 ·
How do I calculate the total stored energy when capacitors are connected?
- minidoggy
- · Replies 9 ·
Understanding Lenz's Law: Which End of the Resistor is Positive?
- Dart82
- · Replies 1 ·
Identifying isothermal, isobaric, and adiabatic processes on a T-V diagram
- suspenc3
- · Replies 6 ·
Does the capacitance change as voltage increases in a circuit?
- Soaring Crane
- · Replies 1 ·
What Is the Angle Between the String and the Vertical in a Conical Pendulum?
- fruitl00p
- · Replies 15 ·
Equivalent Capacitance Between Points a and b for Group of Capacitors
- AznBoi
- · Replies 7 ·
Newton's Laws of Motion Lab Question
- Elkay
- · Replies 1 ·
Work done by monatomic gas through linear and curved thermodynamic paths
- suspenc3
- · Replies 5 ·
Heat Transfer (Conduction) problem
- toddler
- · Replies 1 ·
Uncertainty in Rx using Wheatstone bridge measurements
- cheechnchong
- · Replies 7 ·
Electro magnetic Induction problem. Simple one, but check wehre I am wrong.
- chound
- · Replies 5 ·
Conservation of Momentum/Linear Momentum
- norcal
- · Replies 6 ·
Man on turntable pulling in arms: moment of inertia
- iamtrojan3
- · Replies 2 ·
Friction, Spring Constant, Energy
- euphtone06
- · Replies 1 ·
Ranking brightness of bulbs in series and parallel DC circuits
- krnhseya
- · Replies 12 ·
Gravitational Attraction Changing with Distance
- Thrawn
- · Replies 19 ·
How Does Angular Velocity Relate to Centripetal Acceleration?
- iamtrojan3
- · Replies 4 ·
Circular Motion on a Bank Question
- avonrepus
- · Replies 1 ·
Calculating Blood Velocity from Voltage Difference
- map7s
- · Replies 3 ·
Give an example of an ohmic and non-ohmic device
- krnhseya
- · Replies 6 ·
Measuring Force on a Spinning Ball: Simple Physics
- freswood
- · Replies 5 ·
Two frictionless paths: which body reaches the wall first?
- wilvar
- · Replies 29 ·
How Does Doubling Charge or Potential Affect a Capacitor's Behavior?
- Soaring Crane
- · Replies 1 ·
Energy released during explosion
- enter260
- · Replies 7 ·
How Do You Calculate Resistance, Current, and Power in Parallel Circuits?
- demode
- · Replies 1 ·
Find the total change in the block's kinetic energy
- tnhoots
- · Replies 17 ·
Potential at surface of charged raindrop
- stylez03
- · Replies 9 ·
How can you effectively teach high school students about electron diffraction?
- elpida
- · Replies 1 ·
More than just a momentum problem
- macgirl06
- · Replies 6 ·
Solved: Simple Force Problem: 80KG Man Exerts 20N
- Slayergnome
- · Replies 3 ·
Output voltage and resistor value for a diode AND gate circuit
- dobry_den
- · Replies 3 ·