What are the dimensions of a square acre of ground if 1 square mile = 640 acres?
A) 147' × 147'
B) 156' × 156'
C) 174' × 174'
D) 194' × 194'
E) 209' × 209'
E
You might also like to view...
From the horizon to the observer's zenith is an angle of
A) 23.5 degrees for observers at the Tropics of Cancer and Capricorn. B) 30 degrees for observers at a latitude of 30 degrees north. C) 90 degrees for everyone on the Earth. D) 66.5 degrees for everyone on the Earth. E) 0.0 degrees for an observer at the Earth's north pole.
What spacecraft will visit Pluto in 2015?
a. Cassini b. Galileo c. Voyager d. Voyager 2 e. New Horizons
What can cause a galactic fountain?
A) winds and jets from newly-formed protostars B) a supernova occurring in the halo C) multiple supernovae occurring together D) the combined effect of spiral density waves E) molecular clouds falling towards the galactic center
A small 1.4-N stone slides down a frictionless bowl, starting from rest at the rim. The bowl itself is a hemisphere of radius 75 cm. Just as the stone reaches the bottom of the bowl, how hard is the bowl pushing on it?
A) 0.70 N B) 1.4 N C) 2.8 N D) 4.2 N E) 5.6 N