An object dropped from rest almost infinitely far from earth falls to earth because of earth's gravitational field, and strikes the surface with a speed of about _____. a. 8 km/s b. 9.8 m/s c. 11 km/s

asked May 28, 2017 104k views

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B.) With a speed about 9.8 m/s which is gravitational field of earth.. that we know by the name of "Gravity".

Katy Lavallee answered May 28, 2017

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It's about 11.2 km/s ... what we would call 'escape velocity' if we run the same situation backwards.

Geodex answered Jun 1, 2017

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