Spinning Sydney

Sydney, Australia, is at latitude 34°S. At what speed in miles per hour would someone living in Sydney be spinning as the earth rotates, given that the radius of the earth is about 3,960 miles?

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1 Answer

distans around=2piR=2*3.14159265335...*3960 mile...24,881.4138164

or bout 24,881 mile

speed at equater=24,881/24 ours=1,036.725575684 mph

Tu get speed at 34 deg south, multipli bi kosine(34 deg)...0.8290375725550417

=859.484 mph
by

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