(a) What is the escape speed on a spherical asteroid whose radius is 590 km and whose gravitational acceleration at the surface is 2.7 m/s2? m/s
(b) How far from the surface will a particle go if it leaves the asteroid's surface with a radial speed of 1000 m/s? m
(c) With what speed will an object hit the asteroid if it is dropped from 1000 km above the surface? m/s
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