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Make a set of use cases for the following system: A Video Store (AVS) runs a series of fairly standard video stores. Before a video can be put on the shelf, it must be catalogued and entered into the video database. Every customer must have a valid AVS customer card in order to rent a video. Customers rent videos for three days at a time. Every time a customer rents a video, the system must ensure that this customer does not have any overdue videos. If so, the overdue videos must be returned and an overdue fee paid before the customer can rent more videos. Likewise, if the customer has returned overdue videos, but has not paid the overdue fee, the fee must be paid before new videos can be rented. Every morning, the store manager prints a report that lists overdue videos; if a video is two or more days overdue, the manager calls the customer to remind him or her to return the video. If a video is returned in damaged condition, the manager removes it from the video database and may sometimes charge the customer
A particle oscillates in simple harmonic motion with a period of 2.04 ? s and an amplitude of 3.94? cm. At t=0,it is at z=?2.0 cm and it is moving toward z = 0.
It is observed that the electron continues to travel in a straight line due south. In which direction must the magnetic field lines point?
What is the spring constant k of the spring if the mass of the system is 0.25 kg - What is the total potential energy of the system?
A 75 g bungee cord has an equilibrium length of 1.20 m. The cord is stretched to a length of 1.80 m, then vibrated at 20 Hz. This produces a standing wave with two antinodes. What is the spring constant (k) of the bungee cord?
George is 36.0m from Paul, in a direction 37 degree south of east from Paul''s location How far is George from John? What is the direction of Georges location from that of John?
Find at what temperature aluminum will have the same resistivity as tungsten does at 24oC
An electron starts from rest 15.0 cm from the center of a uniformly charged insulating sphere of radius 10.0 cm and total negative charge -3.00 μC. What is the maximum speed (in m/s) the electron can reach after releasing it? (Note: suppose a referen..
Derive the theoretical formulae for the diode temperature at which the Shockley and SNS current components are equal.
A 73 trampoline artist jumps vertically upward from the top of a platform with a speed of 4.0. If the trampoline behaves like a spring of spring constant 6.2×104, how far does he depress it.
A train is moving parallel and adjacent to a highway with a constant speed of 23 m/s. What is the speed of the car just as it passes the train
Explain what Olbers' Paradox is and describe one example of observation evidence that supports the Big Bang Theory over an infinite, ageless Universe.
A beam of ultraviolet radiation, with frequency of 2.64x1015 Hz is directed on a clean metal surface. The work function of the metal is 3.40 eV. Calculate the maximum kinetic energy for an electron dislodged from the surface by the radiation.
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