question 1) ~W4th 12-23 An asteroid has a mass of 3.35 ´ 1015 kg and a radius of 19.0 km. Assume the asteroid is

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question 1)
~W4th12-23 Anasteroid has a mass of 3.35 ´ 1015 kg and a radiusof 19.0 km. Assume the asteroid is a uniform sphere.
a) What is the magnitude of the gravitationalacceleration on the surface of the asteroid?
{6.19 × 10-4 m/s2}
b) With what speed must you launch a rocket of massm so that it completely escapes the asteroid’sgravitational pull? {4.85 m/s}
question 2)
The largest moon in the solar systemis Ganymede, a moon of Jupiter. Ganymede orbits at a distance of1.07 ´ 109 m from the center of Jupiterwith an orbital period of 6.18 ´ 105 s.Using this information, calculate the mass of Jupiter.{1.90 × 1027 kg}