(4) Calculate the size (radius) of an asteroid if a ball thrown with
30(m)/(s)
can escape its gravity. Assume a spherical shape of the asteroid and a uniform density of
3000k(g)/(m^(3))
. (Chapter 14) (5) An exoplanet orbiting a 0.5 solar mass star has an orbital period of 8 Earth years. The system is located at a distance of
200,000AU
from the Earth. Calculate the largest angular separation (in are seconds) between the exoplanet and the star as seen from the Earth. (Chapter 15)

Question

(4) Calculate the size (radius) of an asteroid if a ball thrown with

30(m)/(s)

can escape its gravity. Assume a spherical shape of the asteroid and a uniform density of

3000k(g)/(m^(3))

. (Chapter 14) (5) An exoplanet orbiting a 0.5 solar mass star has an orbital period of 8 Earth years. The system is located at a distance of

200,000AU

from the Earth. Calculate the largest angular separation (in are seconds) between the exoplanet and the star as seen from the Earth. (Chapter 15)

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