Physics question and answers for July 12, 2023
- Q Uranium-235 and a thermal neutron can fission into products suchas strontium, cesium and cerium plus neutrons. Calculate theexpected thermal power released if 236.0021 g of uranium 235 isfissioned into products...
- Q A novice golfer on the green takes three strokes to sink theball. The successive displacements are 4.00 m to the north, 2.20 mnortheast, and 1.10 m at 25.0° west of...
- Q There are a couple of physics concepts in your paper that arevery important — atomic structure and x-rays. Explain these ideasto the reader in terms that your peers in the...
- Q Create a diagram of a current-carrying wire in a magnetic field.Draw the field lines and explain how the direction of force actingon the wire is determined.#- Create a sketch of...
- Q You measure the oscillations of a pendulum four times, and findthat it makes 15 complete swings in times of 8.29 s, 8.40 s, 8.30s, and 8.41 s.What is the mean...
- Q Use the dimensional analysis to find the D-dependance of the vander Waals interaction Energy between two semi-infinite bodies.N.B. : D is the distance between the two semi-infinitebodies.
- Q Two point charges of equal magnitude are 8.1 cm apart. At themidpoint of the line connecting them, their combined electric fieldhas a magnitude of 40 N/C .Find the magnitude of...
- Q The indices of refraction for the fast and slow axes of quartzwith 589 nm light are 1.5462 and 1.5553, respectively.(a) By what fraction of a wavelength is the e-ray retarded,relative...
- Q Three capacitors having capacitances of 8.4 μF , 8.0 μF , and4.8 μF are connected in series across a 34-V potentialdifference.PART A- What is the charge on the 4.8 μF...
- Q how would you use a loop of wire and a magnetic field togenerate current in a loop? That is, discuss practical ways tochange the magnetic flux through the loop. Relate...
- Q Part B: Which is higher, the initial state energy or the finalstate energy of the atom if n=1, n′=3?Part C: For the hydrogen transition indicated below, with nbeing the initial...
- Q 1) Consider the following example of a quantum mechanicalwavefunction for a particle of mass m moving in one dimension,where α and A are constants.?(?, ?) = ?? − ?(?2 +...
- Q Light of original intensity I0 passes through two idealpolarizing filters having their polarizing axes oriented as shownin the figure (Figure 1). You want to adjust the angle Ï• so thatthe...
- Q isabout optic physics.please make all the math. make a draw for more ilustrativesolution. please use legible handwriting.Calculate the coefficients r_⊥, t_⊥, the reflectance R_⊥ andthe transmittance T_⊥ for the interface(a)...
- Q In the card game Poker, a royal flush is an unbeatable hand. Itis composed of an ace, king, queen, jack, and 10 all of the samesuit. There are four possible...
- Q there is a sinusoidal message signal (f = 100 Hz).Make amplitude modulation with carrier frequency of 10KHz. Usethree different modulation depths / indices (0.2 /0.60/0.8).Then demodulate this mixed signal (for...
- Q A cyclotron is used to produce a beam of high-energy deuteronsthat then collide with a target to produce radioactive isotopes fora medical procedure. Deuterons are nuclei of deuterium, an isotopeof...
- Q A.) A highway is made of concrete slabs that are 17.1 m long at20.0°C. Expansion coefficient of concrete is α = 12.0 ×10−6 K−1.f the temperature range at the location...
- Q A project manager decided to use critical ratio (C/Rij for WP jof project i) to prioritize and schedule the remaining workpackages to be done for three concurrent projects with the...
- Q Howdoes charge build up and dissipate in a capacitor when it is hookedto a battery and then unplugged?
- Q An elastic collision between two particles,one of massM and the other of mass 4M.Which particle feels a greater force?Justify your answer mathematically
- Q Imagine your class has been hired to secure the network of arelatively small public school system. The system's network(s)includes administrative offices, classroom computers, Web servers,e-mail servers, and other typical features....
- Q Anathlete swings a ball, connected to the end of a chain, in ahorizontal circle. The athlete is able to rotate the ball at therate of 8rev/s when the length of...
- Q Linearly polarized light that is oriented along the x-axis andhas intensity I0 is incident on a linearpolarizer (LP1) with transmission axis oriented at an angleθ1=15° clockwise with respect to the...
- Q How far apart are an object and an image formed by an 75 −cm-focal-length converging lens if the image is 3.40 × larger thanthe object and is real? Express your...
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