(a) Find the mass of hypothetical spherical asteroid 2 km in diameter and composed of rock with average density 2500 kg/m (cubed).

(a) Find the mass of hypothetical spherical asteroid 2 km in diameter and composed of rock with average density 2500 kg/m (cubed). (b) Find the speed required to escape from the surface of this asteroid. (c) A typical jogging speed is 3 m/s. What would you happen to an astronaut who decided to go for a jog on this asteroid?