Ormal basis in schwarzschild coordinates consider the metric component o," o,= η"--1. if the observer is at rest in schwarzschild coordinates, then the spatial schwarzschild components of o,- ub must all be zero. therefore, (12.24) where gyw is the schwarzschild metric here. since the other components are zero, this leads to the first of equations 12.10. because this vector has no spatial components, the condition implies that o, has zero schwarzschild time component. the same argument ap- plies to the other spatial basis vectors. (note that if the observer were moving in schwarzschild spacetime, then o, would have nonzero spatial components, and the spatial basis vectors would possibly have a nonzero time component.) exercise 12.6.1. argue in the space provided on the next page that the rest of equations 12.10 are correct if ono,, and o, point in the φ,-9, and r directions, respectively, in schwarzschild spacetime.

32: from largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

33: answer is c

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1= 26.17

2= 1.17

3=30.86

4=5.86

just took the assigment on edge

colorectal cancer may also develop from areas of abnormal cells in the lining of the colon or rectum. this area of abnormal cells is called dysplasia and is more commonly seen in people with certain inflammatory diseases of the bowel such as crohn's disease or ulcerative colitis.

answer: at 24 february, 2014 the population gets twice of its initial population.

explanation:

since we have given that

the population for alpha city, t years after january 1, 2004 is given as

first we find out the initial population, i.e. t=0,

so, our quadratic equation becomes,

according to question, we have said that if the population has twice its initial population, then it becomes

so, time taken to reach this above mentioned population is given by

now, we know that time can't be negative so, we take t=9.149 years.

hence, at 24 february, 2014 the population gets twice of its initial population.