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  1. A practical question from a non science person
  2. Solids
  3. Band gaps
  4. Classical mechanics problem
  5. Sound Intensity Propagation and Sound Waves
  6. Homework regarding relation between friction and velocity; need my answers checked!
  7. Can someone explain enthalpy H = U + pV
  8. Centrifugal Force and speed
  9. Total energy of a system
  10. rate of accelleration plus time = ????? ( how far?? )
  11. Elasticity Problem
  12. Bungee Jump vertical motion equation
  13. Help with dimensional analysis............
  14. Intresting tool
  15. How does electromagnetic wave travel?
  16. Motorcycle Physics Question
  17. EM fields in medium
  18. Will placing a solenoid inside another solenoid increase it's over all strength?
  19. magnetism(1) - phyyz
  20. Gravitational Force and Energy .......
  21. Magnetic Moment Vector
  22. Fluid Dynamics
  23. Newton's law of cooling.
  24. Homogeneous circular wheel
  25. Friction when pool balls collide
  26. Current Linkages in a Motor
  27. Gravitational Direction
  28. Fresnel's diffraction theory
  29. A doubt on spring mass damper system fundmaental equation
  30. (orbital) momentum
  31. calculate force of gravity
  32. calculating work in isobaric system
  33. capacitors in series and parallel
  34. Explaining simple harmonic motion
  35. Walter Lewin Kirchhoff's rule is for the birds
  36. Formula For Flight Time of RC Helicopter - FUN!
  37. Permanent Magnet Railgun for transport
  38. Accelerometer - alignment
  39. Acoustic pressure & particle velocity phase - plane vs spherical waves
  40. Impulse Duration & Mechanical Wave Propagation relation to a Rodīs motion
  41. Finger Over Straw Trick
  42. Trying to understand Transformer Power calculations in this patent
  43. Electromagnetism Questions
  44. Ball bounces between head and Van de Graff
  45. electric field near a charged sphere
  46. Properties of Light
  47. Newtons 3rd Law
  48. Failure of high-k dielectrics
  49. What is local linear increase&
  50. Pearlite or spheroidite?
  51. Question about supercooling and solidification
  52. A question concerning momentum
  53. Laplace operator
  54. NEED HELP please - Airplane loop
  55. Crystal Radio
  56. Determining Compass Bearing from Resultant Angle
  57. Moving wedge and pulley system
  58. When a jumpjet goes faster than the speed of sound,Why does it make an exploison?
  59. Integration of 6-12 Lennard Jones Potential to obtain the 3-9 one
  60. Ampere's Law Application Problem
  61. Unit Jy
  62. A big question about kinetic theory
  63. Rollercoaster problem
  64. Spherical longitudinal waves propagation
  65. Two masses on a rotating turntable
  66. Position and velocity of an inverted pendulum.
  67. Rolling resistance.
  68. Conservation of Momentum in magnetic induction
  69. Relativity question
  70. what are the units for a dipole moment (vector) p in electric field (vector)E?
  71. Radiation emission and absorption
  72. Magnetism from Samsonov
  73. Maxwell's "displacement current"
  74. Gravity as an entropic force
  75. A question that nobody seems able to answer - Field between Parallel Plates
  76. stopping distances of two cars
  77. Problem about entropy
  78. Gibbs equation and third law of thermodynamics
  79. A gas close to zero Kelvin
  80. The speed of sound in an enclosed compartment.
  81. Definitions of volt using SI's fundamental magnitude
  82. Maxwell's Equations, AC
  83. impact force and reaction in certain example (velocity change)
  84. Entropy as a state property
  85. car crash
  86. Narrow band light interference (?)
  87. Validation of tri axial accelerometer
  88. Distribution high voltage power lines
  89. Hollow Solenoid
  90. why is "omega" used as angular velocity and also angular frequency?
  91. Questions about thermodynamic relations
  92. Wave Mechanics: How is it that a sound wave has a speed ofl 1480 m/s in Water?
  93. Can a magnetic fridge magnet stay on the fridge indefinitely?
  94. Accelaration, mass and displacement
  95. Not so smart question about Faraday's law
  96. Average, apparent and real power. I'am confused
  97. Magnetic field of infinite cylinder.
  98. > Why Change Of Magnetic Flux Induces Current In It?
  99. hydraulic
  100. Standard entropy of liquid at the melting point
  101. hydro-static paradox
  102. Electric arc
  103. Free Fall and Average Acceleration Question
  104. Kinematics 1D Problem
  105. Liquids problem.
  106. General Question (Measurement)
  107. Kinematics 1-d Motion
  108. journey to center of earth
  109. electrostatistics
  110. Parallel Interdigital Capacitor : Physics involved
  111. Jones matrix describing the action of the quater-wave plate
  112. Heat
  113. Lots of questions!
  114. Outside magnetic field for Solenoid using Ampere's law
  115. angular momentum for objects whose angular motion isn't exactly circular(elliptical I mean)
  116. Veterinarian question
  117. Tooth extraction question.
  118. distance between dielectrics
  119. Differing Units while Calculating Acceleration of Rotating Objects
  120. Two Block and Five Pulley System
  121. Help on Orbiting objects
  122. Impact Disperal
  123. Car model from modeling wheels
  124. Contradiction in Magnetic Field Theory?
  125. radiation pressure
  126. What is the force behind Gears Interactions
  127. Energy from fall object
  128. A 32 ft tall tank full of water
  129. Measuring water pressure in long flexible tube.
  130. The screw nature of electromagnetism
  131. Acceleration 250G
  132. normalize relative humidity
  133. The Bicycle Pulling Puzzle
  134. G-Force
  135. Some questions about friction
  136. Electric displacement density
  137. Charles Law in reverse
  138. gopro stratosphere fall debunked
  139. Bimetal radius
  140. Help me. What is radius?
  141. Diffusion: Concentration profile for point sink in infinite plane
  142. contra weight for suction
  143. Fun with classical physics - free book pdf
  144. The Earth's Magnetic Field
  145. on snow flakes
  146. Doubt in a confusing concept !
  147. Different masses moving down a hill at different speeds?
  148. Confused about harmonic motion
  149. Electric generator
  150. Free body diagram needed
  151. Contact Time
  152. number of moles inisde a fixed volume
  153. Working of dry cell battery!!
  154. Electromagnet issue
  155. Fortran 90 and surface integrals
  156. amplitude modulation
  157. Mechanics
  158. Car Accident - Can physics prove my innocence?
  159. Tricky dimensional analysis
  160. Is space able to push things?
  161. Help in dot product
  162. Average Velocity and Angle of Inclination of a Slope
  163. Confused about gravitational potential energy?
  164. A Scalar Equation of Motion
  165. electrostatics
  166. How do I convert an inertia tensor from body space to world space?
  167. Vector current and its measurement
  168. Some question
  169. FET operation
  170. Electric field near a point just outside a conductor
  171. Crystallisation dynamics
  172. angular velocity of rigid body
  173. centripetal acceleration
  174. Optimizing a simple DC Motor for No-Load Speed
  175. virtual displacement
  176. Energy and force
  177. Is this abstract clear?
  178. stationary waves in composite strings
  179. speed of stationary wave in a string
  180. Simple Theory on how matter really works?
  181. Non Isolated System : Lowering in the Potentional Energy
  182. How to find the breaking strength of a string
  183. Fluid effects in a wind instrument
  184. What is the physical difference between compression waves and longitudinal waves in elastic solids?
  185. energy transfer in transverse waves
  186. Doubts on Magnetism!
  187. Why is the electric interaction a force?
  188. Ridiculous questions, but humour me: hollow planet
  189. Lay persons question
  190. Visual lag on the highway
  191. Does a sponge weigh more underwater?
  192. byoncy
  193. velocity and accelaration
  194. Fluid Mechanics: General energy eqn (steady, in-compressible fluid)
  195. electrostatics/dielectrics/ electric field
  196. vibrational modes of quartz crystal
  197. Thermodynamics
  198. Interferometry please help
  199. What can cause periodic interference (constructive interference occurs every 9 mm when the reference mirror is shifted) in OCT setup?
  200. The kitchen salt effect and Volta battery
  201. a simple cut off experiment in electricity to be performed home ....
  202. Resistors with less than 1 ohm resistance in parallel circuits - increases the resistance?
  203. urgent need of help ... actuator
  204. How to guide lights from all direction, straight and perpendicular to a surface?
  205. Lenses
  206. Can a double oxidation phenomenon generate an electric current?
  207. Water flowing into bucket through a hole
  208. how Does an Electric Charge in space gets Discharged in infinite time?
  209. Putting an antenna in a spherical metallic shell
  210. Biot Number
  211. Inbound to cover the earth in circumference. About 20,000 miles on foot.
  212. Entropy
  213. Heat of reaction: why they ommit chemical potential???
  214. Polarizations vectors
  215. Torque force and COM
  216. doubt Maxwell equations and EM waves
  217. Unstoppable for and an immovable object expressed in an equation?
  218. Inertia forces in rotating frame under
  219. Mass, Gravity & Velocity
  220. Physics of a Tree Stand
  221. Minor Car Accident(Can we Prove using Physics)
  222. Lever Question
  223. relation between speed and tension
  224. which one spends the shortest time???
  225. Blackbody Radiation and 2nd Law of Thermo Dynamics
  226. question on gravity please.
  227. Help with Vernier Calliper Reading
  228. Distance an object will travel...
  229. Don't understand their derivation of precession frequency of this gyroscope?
  230. Electron flow in bent wire causing outward force?
  231. Question on Gravity
  232. New Renewable ElectroCell
  233. BikeRiding Hazards
  234. Vibrational modes: a rope of sand
  235. Capacitor discharge, but no current?
  236. Calculation for e=mc^2 in foot pounds of force
  237. Law for heat exchange and evaporation..
  238. Electromagnetism (Coulombs Law)
  239. atmosphere dinamics
  240. Maximum Refresh rate of Acceleration/Gravity Sensors
  241. Angular Momentum
  242. G constant
  243. turbulence
  244. Derivation of ideal gas law by Hamiltonian mechanics
  245. Destructive mechanical resonance: time of resistance question
  246. Question about vectors?
  247. The riddle of gravity
  248. Storage type super strong laser
  249. hello and basic q from non physicist
  250. How does a blackhole "pull" light?