(a) What is the escape speed on a spherical asteroid whose radius is 503 km and whose gravitational acceleration at the surface is 0.464 m/s2? (b) How far from the surface will a particle go if it leaves the asteroid's surface with a radial speed of 523 m/s? (c) With what speed will an object hit the asteroid if it is dropped from 920.5 km above the surface?
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