Posted by **Steve** on Monday, March 21, 2011 at 3:26pm.

(a) Determine the amount of work (in joules) that must be done on a 95 kg payload to elevate it to a height of 1007 km above the Earth's surface.

1 ? MJ

(b) Determine the amount of additional work that is required to put the payload into circular orbit at this elevation.

2 ? J

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