Homework Help: Maths

Posted by Math's Noob on Monday, January 9, 2012 at 5:06pm.

A satellite takes 93.8 minutes to orbit the earth. If the diameter of the earth is 12740km approximately and the satellite is at a height of 32km above the earth's surface, find the average speed of the satellite in km/h
Working out please

Maths - Steve, Monday, January 9, 2012 at 5:11pm
C = 2pi*r
= 2 pi * (12740 + 32) km

that's the distance traveled in one orbit.

divide that by 1.563333 hours per orbit, and you get km/hr

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