The operator is hermitian if  = †
The operator is anti-hermitian if Â=-ņ

where the operation † means taking hermitian conjugate defined such that the inner product = for all functions f, g.

Demonstrate that the expectation value of the anti-hermitian operator is imaginary.

Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?

In a good thermo flask the main cause of heat loss is

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.