Physics question and answers for July 23, 2023
- Q Two blocks in a system (b1 & b2) collide inelastically whereb1 has a velocity (v) and a small mass (m) and b2 is stationarywith a large mass (M). b2 can...
- Q Two coherent wavelengths of light are incident on a doubleslit, one of the wavelengths corresponds to blue light of 460 nmand the other is unknown. The slit separation is 0.007...
- Q After an unfortunate accident occurred at a local warehouse, youwere contracted to determine the cause. A jib crane collapsed andinjured a worker. An image of this type of crane is...
- Q A block of mass m1 = 3.27 kg on a frictionless plane inclined atangle ? = 31.2
- Q What would you have to do to the circuit to mimic the effect ofa clogged artery in human body?
- Q A star, which is 2.0 x 1020 m from the center of agalaxy, revolves around that center once every 2.4 x 108years. Assuming each star in the galaxy has a...
- Q A 1196-kg car and a 2010-kg pickup truck approach a curve on theexpressway that has a radius of 253 m .At what angle should the highway engineer bank this curve...
- Q explain the tradeoff between horizontal and verticalvelocity
- Q Start from the 1st order Born approximation result given in Eq.(6.3.3), anda) Derive, in all details, the expression for scatteringamplitude for a general spherically symmetric potential V(r' ).This means to...
- Q 1a. The horizontal magnetic component in Minnesota is 17.5?T andin Equator it is 27.1?T. Describe why it is larger in Equator.1b. The total magnetic field strength in Minnesota is 55.1?T...
- Q Photon Momentum and Radiation Pressure.We have seen that photons carry not only energy but alsomomentum, with each photon of wavelength λ carrying momentum pγ =Eγ/c = h/λ. This means that...
- Q 1.Suppose the combined weight of Santa and your large gift sobig and heavy that it increased the earth’s wobble and tilted theplanet on its axis to 24 degrees. Would the...
- Q A beam of electrons with energy 250 MeV is elastically scatteredthrough an angle of 10° by a heavy nucleus that is at rest. It isfound that the differential cross-section is...
- Q A sphere of radius R1 has a volume charge density given by row =Mr where r is the radial distance from the center of the sphere.The sphere is surrounded by...
- Q Consider a RC circuit. At time t=0, the circuit is closed. ( a)Draw how the current behaves with time. (b) What about the powerdissipated by the resistor ? (also draw...
- Q A merry-go-round with a a radius of R = 1.98 m and moment ofinertia I = 193 kg-m2 is spinning with an initialangular speed of ω = 1.45 rad/s in...
- Q A block with a mass of 3.2 kg is pulled by a force of 60 N up aramp with a coefficient of kinetic friction of .05 on a 12°incline.a. What...
- Q A linebacker with mass m1 = 90.0 kg running east at a speed v1 =3.00 m/s tackles a fullback with mass m2 = 100. kg running north ata speed v2...
- Q You attach a 1 kg block to a horizontal spring with a constantof k = 25 N/m and set it oscillating on a frictionless surface.You’ve set up a gate that...
- Q the pitcher in a football game releases the ball at 0.9m abovethe ground level. the ball take 1.51 s to reach another player,which is 18.0m away, also at a height...
- Q 2) Two charged spheres separated by 2m aresuspended vertically from a horizontal beam by insulatingstrings. The spheres have the same mass 4kg. Thecharges on the spheres are 2 ?C and...
- Q In a calorimetry experiment to determine the specific heatcapacity of a metal block, the following data was recorded:Quantity Mass of the metal block 0.50 kg Mass of empty calorimeter+ Stirrer...
- Q A) a roller coaster it's traveling with a velocity of 20 m/s at thetop of an incline. If the incline has a height of 10m, determinethe coasters velocity at the...
- Q 1-Explain a physical system has block attached to the end ofstring?2-A rope of length and mass has a string of force constant atdistance d. Calculate the frequency?
- Q You are analysing data collected by a rover on the moon. You mayassume that the rover starts at the origin (0,0,0), and that eachcoordinate it transmits contains an East-West component,...
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