Physics question and answers for July 25, 2023
- Q Define and describe the following, if you can, sitesome example/simple analogy.1. Wave-particle duality of light2. Energy quantization3. Black body4. Ultraviolet catastrophe
- Q The LIGO experiment, which historically detected gravitationalwaves for the first time in September 2015, uses a pair of highlysensitive Michelson interferometers. These have arms that are 4.00km long and use...
- Q Explain the following terms: (1) Spontaneous emission (2)Stimulated emission (3) Metastable state and (4) Populationinversion.
- Q The Federation space cruiserExecrable is floating in Federation territory at restrel-ative to the border ofKlingon space, which is 6.0 min away in the +xdirection.Suddenly, a Klingon warshipflies past the cruiser...
- Q (a) Explain HGL and EGL with figure for different condition (b)discuss Poiseuille equation.
- Q 5. The difference between a solar day on Earth and a siderealday is about 4 minutes. If the Earth orbited the Sun at 0.5 AU,what would the difference be? (Assume...
- Q A plane has a heading relative to the air of speed 121 m/s anddirection 23.5° East of North. The air is moving relative to theground with wind speed 49 m/s...
- Q Calculate the ground state energy of a helium atom in a box of1cm on a side.Solution: these are constants that we will see again andagain. I set c = 1.In...
- Q Suppose we discover a new stealth planet that orbits the Sun inthe same plane and the same direction as the known planets. Theplanet has a circular orbit, orbits twice as...
- Q ****Please make it sure that it explains with logic and/orwriting. It is an essay but it has to be one based on scientificfacts. Please be specific preferably with equations and/orcalculations...
- Q A flywheel comprises a uniform circular disk with a mass of 97.0kg and a radius of 1.1 m. It rotates with an angular velocity of1420 rev/min. A constant tangential force...
- Q Show all work done for calculations, starting with an equationwhenever possible, and include all units. If asked to explain, givea brief response (1-2 complete sentences).For full credit on FBDs and...
- Q Find the motion of an object subject to a linear restoring forceand a linear retarding force when it starts from equilibrium atinitial velocity v0. Consider underdamped, critically damped, andoverdamped cases.
- Q A sphere of radius R is charged with a charge Q.1. What is the potential outside of the sphere at distance r fromthe center of the sphere？2. what is the...
- Q Ernest Rutherford (the first New Zealander to be awarded theNobel Prize in Chemistry) demonstrated that nuclei were very smalland dense by scattering helium-4 nuclei (4He) from gold-197 nuclei(197Au). The energy...
- Q A bubble of air is suspended underwater. Draw a ray diagramshowing the approximate path followed by a light ray passing fromthe water (a) through the upper half of the bubble,...
- Q A projectile is fired from the 45 m above the ground (the zerolevel) with an initial velocity of 285 m/s at an angle of 43.5degrees above the horizontal;a. How long...
- Q Trees and other plants move water and minerals from their rootsupward into the tree through a process involving:A. Cohesion only.B. Adhesion only.C. Surface tension only.D. A combination of cohesion, adhesion,...
- Q What determines the electron-group geometry of a molecule? Whatdetermines the molecular geometry of a molecule? Why can-electrongroup geometry differ from molecular geometry? sidenote:pleaseanswer every part of the question
- Q A 3.00-kgkg object is free to slide on a horizontal surface. Theobject is attached to a spring of spring constant 300 N/mN/m , andthe other end of the spring is...
- Q Acircular ring of radius ?lies in the ??plane and is centered onthe origin. The half on the positive ?side is uniformly chargedwith a charge +?while the half on the negative...
- Q At a construction site, a helicopter is lifting two steel beams,each with a mass of 290 kg. One steel beam is attached directly tothe helicopter by a cable. The second...
- Q 1/ Explain how the aperture geometryrelates to the diffraction pattern.2/ Predict how changing the wavelengthor aperture size affects the diffraction pattern.
- Q Create an Incident Response Plan for your online shoppingnetwork company under COVID-19 modes?
- Q A diver springs off a 10 m high diving board. If heleaves the board with an initial upward velocity of 5.0m/sec,a.) How high will he rise above the diving board?b.)...
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