What is escape velocity?
Our planet exerts a gravitational pull towards it surface. Whenever we throw an object up it will always go back down. Suppose we throw an object with enough velocity to escape the Earth's gravitational pull this velocity is the escape velocity. Escape velocity varies from body to body.
Answer and Explanation:
Escape velocity is an example of optimum velocity. It is the minimum velocity required for an object to escape the gravitational pull or attractive force of a planet or another body.
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Learn more about this topic:
from Basics of AstronomyChapter 25 / Lesson 5