By how many newtons does the weight of a 100-kg person change when he goes from sea level to an altitude of 5.0 km if we neglect the earth's rotational effects? (The mean radius of the Earth is 6.38 × 106 m, G = 6.67 × 10-11 N ∙ m2/kg2.)
A) -0.60 N
B) -1.5 N
C) -2.6 N
D) -3.6 N
E) -5.2 N
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