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14.5 Escape Speed. By Anthony and Colton. What is it?. Escape speed is the minimum speed necessary for an object to escape permanently from a gravitational field that holds it. Ex: a shuttle/rocket leaving earth and its gravitational pull. Real Life Examples. Pioneer 10, 1972
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14.5 Escape Speed By Anthony and Colton
What is it? • Escape speed is the minimum speed necessary for an object to escape permanently from a gravitational field that holds it. • Ex: a shuttle/rocket leaving earth and its gravitational pull
Real Life Examples • Pioneer 10, 1972 • Able to gain enough speed to escape gravitational pull of all the planets
Review Question • 12. • A- How fast would a particle have to be ejected from the sin to leave the solar system. • Anything over 620km/s • B-what speed would be needed if an ejected particle started at a distance from the sun equal to earth’s distance from the sun • 42.2km/s