A particular bird’s eye can just distinguish objects that subtend an angle no smaller than about 4.0x10^-4 rads.

(a) How many degrees is this?

(b) How small an object can the bird just distinguish when flying at a height of 160 m
Please show work, thank you.

Patricia is trying to compare the average rainfall of new york to that of arizona. a comparison between these two states for the months of july through september would best be measured in

Which of the following is a characteristic shared by both electron and light microscopes? a. they both employ the use of objective lenses. b. both microscopes require an internal camera to visualize the specimen. c. both microscopes have a resolving power of 0.01 nm. d. they both utilize white light to magnify the specimen.

Aball is thrown vertically upwards from the top of a tower with a speed of 100m/s.it strikes the pound near the base of the tower after 25sec . the height of the tower is