You are trying to take an image of a particular star with apparent magnitude m=10, and need to figure out how long you will need to expose for with your telescope. your friend tells you that her telescope of diameter 0.07 metres can detect the star in 87 minutes.
how long would it take for you to use your telescope (diameter 0.13 metres) to detect a star with an apparent magnitude m=12? answer in minutes.

i would think form in reponse to tensional forces

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.  

i think the answer is bone