Question

gravity of earth vanishes at what altitude?​

Answer 1

Answer:

Near the surface of the Earth (sea level), gravity decreases with height such that linear extrapolation would give zero gravity at a height of one half of the Earth's radius

I hope it will help you.

please say thanks ☺️ and follow me.

Answer 2

Answer:

Gravity of earth vanishes at one half of the Earth's radius - (9.8 m·s−2 per 3,200 km.)

Explanation: