Asked by Rebecca

The Earth rotates on it's axis once every 24 hours.
a)How long does it take Earth to rotate through an angle of 4pi/3?

b)How long does it take Earth to rotate through an angle of 210 degrees?

Answers

Answered by bobpursley
time= displacement/angular speed=(4PI/3)/(2PIrad/24hrs)=4PI*24/6PI==16hrs
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