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 (Take, radius of earth = 6.4 x 106 m) (a) 9.0 × 106 m (b) 2.6 × 106 m (c) 6.4 x 100 m (d) 16 x 106 m

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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
(Take, radius of earth = 6.4 x 106 m)
×
(a) 9.0 × 106 m
(c) 6.4 × 106 m
X
(b) 2.6 × 106 m
(d) 16 × 106 m
Transcribed Image Text: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 (Take, radius of earth = 6.4 x 106 m) × (a) 9.0 × 106 m (c) 6.4 × 106 m X (b) 2.6 × 106 m (d) 16 × 106 m
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