Question

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) 6.4 × 10⁶ m (B) 9.0 × 10⁶ m
(C) 2.6 × 10⁶ m (D) 1.6 × 10⁶ m

Answer 1

Answer:

c is the right answer

Answer 2

Answer:

(c) 2.6 × 10⁶ m the correct answer

Thanks for the question......