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Angular momentum as a conserved charge.
Consider a Lagrangian L that depends only on the magnitude of the velocity q(t ) of a particle which moves in ordinary three-di mensional space.
(a) Write an infinitesimal variation 8q(t) that represents a small rotation of the vector q(t ).
Explain why it leaves the Lagrangian invariant.
(b) Construct the conserved charge associated with this symmetry transformation. Verify that this conserved quantity is the (vector) angular momentum.
In a simple telephone network comprising of two end offices and one intermediate switch with 1-MHZ full-duplex trunk between each end office and intermediate switch.
Discuss when a program might use both the base class and the derived class and why
TOPIC: CONSIDERING THAT COMPUTING NETWORKS ARE MORE AND MORE INTEGRATED IN ALL ASPECTS OF OUR LIVES, DISCUSS/PROPOSE A NEW/POSSIBLE IDEA ON HOW THESE NETWORKS CAN BE KEPT SAFE FROM HACKING, AND HOW TRANSMISSION OF DATA CAN BE SECURED END TO END..
Are private branch exchange phone systems less expensive than voice over IP? What are the components needed for voice over IP systems?
What bit patterns will be in registers 0, 1, and 2 when the machine halts? What bit pattern will be in the memory cell at address 30 when the machine halts?
Developing problem-solving skills, declaring variables, multi-way branches, data validation.
Design a program that keeps track of ticket sales for an auditorium. A concert will be performed over three days in an auditorium with three levels of seating floor, balcony, and upper balcony. There are 20 seats for each type of seating. Write a pro..
The ____ value of the display style tells the browser not the display the element.
Give examples of 3 simple (scalar or primitive) data types commonly provided by programming languages, and identify the method used to represent each data type in the machine
Assume that you have created a mechanical arm that can hold a pen. The arm can perform the following tasks Lower the pen to a piece of paper Raise the pen from the paper
Explain how class (static) variables and methods differ from their instance counterparts. Give an example of a class that contains at least one class variable and at least one class method. Explain why using a class variable and method rather than an..
Calculate the interest earned in 1 year given starting account balance B and annual interest rate I and supposing simple interst, that is no compounding.
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