3. How many minutes are in 27 years? (3 pts)

4. The speed required to make a rocket leave Earth and neverreturn

(the escape velocity) is 11.2 km/s. What is that speed in milesper

hour? (3 pts)

5. What is the mass of the Sun in megagrams (Mg)? M Sun = 1.99 x10 30

kg. (3 pts)

6. The distance between the Milky Way Galaxy and Andromeda

Galaxy is 2.54 Mly. What is the distance in Mpc? [3 pts]

7. The star Betelgeuse is 197 pc away. How far away isBetelgeuse in

ly? In meters? [3 pts]

8. Convert 235 meters to kilometers [4 pts]

9. Consider a person celebrating their 30th birthday at thevery

second they turn 30-years old. Assume there are exactly365.25

days in one year.

a. How many days has this person been alive? [4 pts]

b. How many seconds has this person been alive? [4 pts]

10. A typical speed limit on a European highway is 120 km/hr.Given

that there are 0.62 miles per kilometer, what is that speed inmiles

per hour? [4 pts]

11. The star Sirius is the brightest star in the sky and has amass of 2.1

M Sun. What is the mass of Sirius in kilograms? [5 pts]