Physics
posted by Sam .
Take the radius of the earth at the equator to be 6380 km
a. Find the speed the speed of an object at the equator due to the earth's rotation. ___m/s
b. Convert this speed to miles/hour (show your conversion factor in your written backup). __miles/hour

Physics 
drwls
a) 2*pi*R(km)*(1000 m/km)

(24 h)*(3600 s/hr)
= ___ m/s
b) Multiply the m/s speed from (a) by
(3600 s/hr * 1 mile/1609 m)
It is important that you learn to do these conversions yourself.
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