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a). Write an essay to explain why the polar regions of the Moon are the most favourable sites for the establishment of a lunar base.
b). Calculate the escape velocity of the Moon in units of km/s
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Runner A is initially 5.9 km west of a flagpole and is running with a constant velocity of 8.3 km/h due east. Runner B is initially 4.8 km east of the flagpole and is running with a constant velocity of 7.6 km/h due west ...
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