A body above the surface of the earth is pulled toward the center of the earth. If the radius of the earth is 6375 km, find the velocity of a body as it strikes the surface of the earth if it falls from rest at a distance of one-third of the earth radius measured from the center of the earth. (Assume thatit follows the escapevelocity of the earth). b. 3.8 km/s d. 6.5 km/s a. 5.1 km/s c. 11.2 km/s e. none of the choices
A body above the surface of the earth is pulled toward the center of the earth. If the radius of the earth is 6375 km, find the velocity of a body as it strikes the surface of the earth if it falls from rest at a distance of one-third of the earth radius measured from the center of the earth. (Assume thatit follows the escapevelocity of the earth). b. 3.8 km/s d. 6.5 km/s a. 5.1 km/s c. 11.2 km/s e. none of the choices
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:A body above the surface of the earth is pulled toward the center of the earth. If the radius
of the earth is 6375 km, find the velocity of a body as it strikes the surface of the earth if it
falls from rest at a distance of one-third of the earth radius measured from the center of the
earth. (Assume thatit follows the escapevelocity of the earth).
b. 3.8 km/s
d. 6.5 km/s
a. 5.1 km/s
c. 11.2 km/s
e. none of the choices
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