Introductory Physics Homework Help Forum

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Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Conservation of Momentum Question.
  • skg94
  • · Replies 6 ·
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6
Escape Velocity Calculation for a Spaceship in Space
  • athymy
  • · Replies 4 ·
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4
Solving 2-D Crystal Process Avrami Equation: Find k
  • Stat313
  • · Replies 21 ·
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21
Calculating molar specific heat capacity - not a monatomic gas
  • PhysicsFriend
  • · Replies 1 ·
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1
Change in magnitude of radial acceleration
  • alexmahone
  • · Replies 1 ·
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1
Boat crossing/Glide Ratio/Hydraulic design
  • zeshkani1985
  • · Replies 17 ·
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17
Brachistochrone Differential Equation
  • Bennigan88
  • · Replies 2 ·
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2
What is the Average Pressure on an Apple During Impact?
  • nhmllr
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2
Explain in fragmented way 1-methylstyrene's spectrum
  • chem5
  • · Replies 1 ·
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1
Angular Momentum and Point of Application in Rolling Motion
  • PhizKid
  • · Replies 6 ·
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6
Reduce the amount of kinetic energy loss in a collision
  • fdajkffk
  • · Replies 1 ·
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1
Perception of apparent (seeming) motion
  • ShiPe
  • · Replies 12 ·
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12
Solving Two Physics Questions: Rotational Inertia & Equilibrium Temp.
  • anuragpapineni
  • · Replies 1 ·
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1
What is the concept of equivalent resistance in electrical circuits?
  • Ezio3.1415
  • · Replies 8 ·
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8
Equilibrium and Statics involving a mass attached to three strings
  • alingy1
  • · Replies 4 ·
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4
What is the Optimal Sound Frequency for Echoes Using a Single Slit?
  • athymy
  • · Replies 1 ·
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1
How Do You Determine the Maximum Distance from Base Camp Using Vector Addition?
  • renergy
  • · Replies 11 ·
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11
How much force is 5T of pressure exerted by a hydraulic ram?
  • davekardle
  • · Replies 1 ·
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1
Potential Energy during Constant Velocity Motion
  • hgfhh123
  • · Replies 2 ·
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2
Effect of earth's rotation on an object on the surface
  • timarli
  • · Replies 4 ·
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4
Banked Curves and Static Frictional Components
  • Starwing123
  • · Replies 2 ·
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2
Car on a banket - maximum speed formula derivation
  • timarli
  • · Replies 2 ·
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2
The easiest derivation of rod's moment of inertia?
  • Glyper
  • · Replies 2 ·
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2
What is the correct component force along the axis of the hook?
  • jgreen520
  • · Replies 6 ·
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6
Electronics - calculating voltages
  • Adoniram
  • · Replies 7 ·
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7
Difference b/w uniform motion and velocity
  • chikis
  • · Replies 1 ·
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1
Kinematics Velocity Help: Solving for Height with Gravity and Initial Velocity
  • Dude22
  • · Replies 6 ·
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6
Rolling Objects, Friction, and Newton's Second Law
  • Starwing123
  • · Replies 1 ·
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1
Trouble calculating a projectiles height after a certain distance
  • agm1984
  • · Replies 27 ·
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27
Gravity in the upper atmosphere
  • hms.tech
  • · Replies 13 ·
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13
Circuit analysis potential difference
  • hms.tech
  • · Replies 10 ·
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10
Volcano in mars ejects rocks. Straight line motion
  • Toranc3
  • · Replies 4 ·
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4
Can the Picture Be Hung in a Stable Equilibrium?
  • arestes
  • · Replies 18 ·
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18
Notation of permittivity in farads per meter question
  • KClose1983
  • · Replies 2 ·
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2
Potential Energy of a System of charged particles
  • sniper_spike
  • · Replies 6 ·
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6
Scaling factor of a mass spring system
  • mrcotton
  • · Replies 5 ·
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5
Projectile Motion: Finding Initial Velocity with Given Height and Speed
  • v1ru5
  • · Replies 7 ·
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7
Max Impact of Free-Falling Bomb on Target
  • Numeriprimi
  • · Replies 1 ·
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1
What characterizes coil springs?
  • alingy1
  • · Replies 2 ·
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2
Questions in Newtons Laws and Thermodynamimcs.
  • nasar176
  • · Replies 3 ·
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3
Will Two Synchronized Atomic Clocks Remain in Sync After One Year?
  • Lauren12
  • · Replies 1 ·
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1
The working of an electric motor and generator
  • ASidd
  • · Replies 4 ·
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4
Sound Intensity and Threshold of hearing
  • gomess
  • · Replies 3 ·
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3
Bernoulli's Equation (Water Outflow Speed of Tank)
  • Von Neumann
  • · Replies 2 ·
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2
Free electrons in solid sphere of copper
  • CAF123
  • · Replies 17 ·
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17
The direction of proton in a magnetic field
  • ASidd
  • · Replies 1 ·
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1
Clarification of Black Body Radiation
  • Minki
  • · Replies 2 ·
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2
Unlock the Mystery of Work & Energy: Zero Acceleration, Constant Velocity
  • quicksilver123
  • · Replies 4 ·
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4
Calculating Power and Tension for Lifting a Boat on an Incline
  • davekardle
  • · Replies 6 ·
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6
N-Body Problem - Initial Values
  • physxfreak
  • · Replies 4 ·
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4
How Do You Write the Function for a Traveling Wave on a String?
  • Renaldo
  • · Replies 8 ·
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8
Proton-Proton Interaction at Minimum Separation
  • f25274
  • · Replies 9 ·
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9
How to Calculate the Shortest Chain Sling Length for Lifting a Bin?
  • crashdirty86
  • · Replies 5 ·
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5
Special Relativity pion decay problem
  • Nate D
  • · Replies 5 ·
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5
Magnetic field far from a solenoid
  • jaumzaum
  • · Replies 2 ·
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2
Applying force to a flat object with contact points
  • santeri
  • · Replies 4 ·
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4
I really with a MATLAB iteration code
  • physicist10
  • · Replies 1 ·
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1
Determining energy delivered from critical angle
  • enc08
  • · Replies 1 ·
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1
Calculating Terminal Velocity of a Free Falling Body with Air Resistance
  • aeb2335
  • · Replies 1 ·
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1
Colour of light producing photoelectrons?
  • Lauren12
  • · Replies 8 ·
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8
1D Kinematics - Integration of the Equations of Motion
  • bearjew11
  • · Replies 3 ·
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3
Power problem, to use net force or work energy theorem?
  • deblimp
  • · Replies 3 ·
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3
Oscillations: Pendulum with initial velocity
  • Stealth849
  • · Replies 11 ·
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11
Can Wally Whacko's Heat Engine Truly Achieve 92% Efficiency?
  • chipM
  • · Replies 12 ·
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12
Comparing Magnetic & Electrostatic Experiments
  • diane1996
  • · Replies 4 ·
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4
Calculating Center of Gravity: Bethany, Serendipity & Cardinal Glick
  • joel amos
  • · Replies 3 ·
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3
Solution to Momentum Principle Problem
  • C R P
  • · Replies 6 ·
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6
Moments - Balancing a weighted meter stick
  • alexmahone
  • · Replies 3 ·
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3
Calculating turns in a primary coil of a transformer
  • Bobazoide
  • · Replies 2 ·
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2
Splitting Comet Momentum Problem Solutions
  • kariibex
  • · Replies 4 ·
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4
What causes the normal force to increase in circular motion?
  • ShizukaSm
  • · Replies 1 ·
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1
Using a cube as a Gaussian surface
  • anban
  • · Replies 2 ·
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2
What is the pressure and volume of gas in different states?
  • asheik234
  • · Replies 2 ·
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2
Find the natural frequency of a spring
  • physicist10
  • · Replies 9 ·
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9
Kinematics Problems: Calculating Time and Displacement for Moving Objects
  • phospho
  • · Replies 5 ·
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5
How Does Friction Affect the Acceleration of Stacked Blocks?
  • vjnmath
  • · Replies 1 ·
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1
Pedagogical machine acceleration when force is 0
  • PhizKid
  • · Replies 11 ·
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11
Relationship of W and v in a region of uniform magnetic field
  • e.pramudita
  • · Replies 2 ·
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2
Thermal conduction between difference surfaces
  • sgstudent
  • · Replies 6 ·
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6
Plot Orbit using Orbital Elements: 2D Analysis
  • Brazil_Physic
  • · Replies 1 ·
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1
How to work out frictional torque
  • lew123189
  • · Replies 37 ·
2
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37
What is the Equivalent Resistance in a Series Circuit?
  • Dr.Phy
  • · Replies 9 ·
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9
Solving for Flux Using Enclosed Charge
  • InertialRef
  • · Replies 3 ·
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3
Finding magnitude and direction of net torque on a dipole
  • ick84
  • · Replies 1 ·
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1
Solving SI Unit Analysis: Force & Area
  • Nirupt
  • · Replies 3 ·
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3
Using Equations for Constant Acceleration- Vertical Motion of a Bullet
  • L_0611
  • · Replies 1 ·
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1
Escape velocity of solar system
  • oldspice1212
  • · Replies 4 ·
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4
What Are the Angular Frequency and Amplitude of a Particle Undergoing SHM?
  • NewtonsHead
  • · Replies 5 ·
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5
How Does Damping Affect Oscillation Amplitudes in Dual-Frequency Systems?
  • schaefera
  • · Replies 1 ·
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1
Unit Vector Magnitudes and Forces
  • nobodyuknow
  • · Replies 5 ·
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5
Find the energy lost at the collision and the average force of friction
  • fdajkffk
  • · Replies 3 ·
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3
My brain has been shocked by this problem dealing with charges and Coulombs law
  • riseofphoenix
  • · Replies 10 ·
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10
Exploring Conic Sections in Everyday Objects: The Case of a Cup of Tea
  • 3.141592
  • · Replies 10 ·
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10
How to calculate time when falling off a building
  • 3.141592
  • · Replies 7 ·
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7
Application of Circuit laws (KCL and KVL)
  • hms.tech
  • · Replies 4 ·
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4
Radiant Intensity vs. Irradiance
  • JJBladester
  • · Replies 2 ·
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2
Motion & Energy: Calculate Total Energy & Friction Coefficient
  • jimmy4
  • · Replies 6 ·
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6
Thermodynamics involving escape velocity and Boltzmann factor
  • bbrain
  • · Replies 7 ·
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7
How Do You Calculate Projectile Motion for a Missile Launched at an Angle?
  • elgato11
  • · Replies 3 ·
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3
Block on a slope, friction related
  • Revolt
  • · Replies 6 ·
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6