a plane flies horizontally at an altitude of 7 km and passes directly over a tracking telescope on the ground. when the angle of elevation is π/3, this angle is decreasing at a rate of π/3 rad/min. how fast is the plane traveling at that time?

Remote sensing of the earth's surface and atmosphere may involve the use of what type of instruments?

Susie ran a race. she ran 55 miles an hour, and the race took her tt hours to complete.

Which set of lines provides the best textual evidence for why death ought not be proud? a)and soonest our best men with thee do go, rest of their bones and souls' delivery! b)one short sleep past we wake eternally and death shall be no more: death thou shalt die! c)death be not proud though some have call'd thee mighty and dreadful for thou art not so: d)from rest and sleep which but thy picture be 5 much pleasure then from thee much more must flow