What condition must be met for an object launched from Earth to escape Earth's gravity?

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What condition must be met for an object launched from Earth to escape Earth's gravity?

2007-09-13 19:51:51 · 3 answers · asked by kris 1 in Science & Mathematics ➔ Earth Sciences & Geology

3 answers

It must exceed the speed of 25,000 mph.
[Okay, according to the article you must exceed 25,053.73 mph at sea level and a little less at an altitude of 9,000 km.]

Read the article I cited and you will see what I mean.

2007-09-13 19:58:47 · answer #1 · answered by Dan S 7 · 1⤊ 0⤋

The object needs to be accelerated to a velocity of 7 miles /sec
by the time it leaves the troposphere.

2007-09-14 08:09:58 · answer #2 · answered by Anonymous · 0⤊ 0⤋

you must reach what they call terminal velocity to escape earth's gravitational pull

2007-09-14 06:39:44 · answer #3 · answered by Mariko Yashida 1 · 0⤊ 2⤋