The value of acceleration due to gravity at Earth's surface is 9.8 ms- – McqOptions

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1.	The value of acceleration due to gravity at Earth's surface is 9.8 ms-2. The altitude above its surface at which the acceleration due to gravity decreases to 4.9 ms-2, is close to: (Radius of earth = 6.4 106 m)
A.	2.6 × 106 m
B.	6.4 × 106 m
C.	9.0 × 106 m
D.	1.6 × 106 m
Answer» B. 6.4 × 106 m

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