Take the Earth’s radius as

PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation

Problem

Take the Earth’s radius as

R = 6400\,\text{km}

. What is the value of

g

at an altitude of

100\,\text{km}

above the surface, expressed as a fraction of the surface value

g

? (a)

0.99\,g

(b)

0.95\,g

(c)

0.97\,g

(d)

0.98\,g

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