Multiple Choice
You are the science officer on a visit to a distant solar system.Prior to landing on a planet you measure its diameter to be 1.8 × 107 m and its rotation period to be 22.3 hours.You have previously determined that the planet orbits from its star with a period of 402 earth days.Once on the surface you find that the acceleration due to gravity is 59.7 m/s2.What are the mass of (a) the planet and (b) the star?
A) (a) 7.2 kg × kg, (b) 2.9 kg ×
kg
B) (a) 1.3 kg × kg, (b) 2.9 kg ×
kg
C) (a) 7.2 kg × kg, (b) 1.7 kg ×
kg
D) (a) 1.3 kg × kg, (b) 1.7 kg ×
kg
Correct Answer:

Verified
Correct Answer:
Verified
Q8: The reason an astronaut in an earth
Q9: A certain planet has an escape speed
Q10: Sputnik I was launched into orbit around
Q11: A certain spherical asteroid has a mass
Q12: A small-sized 155-kg mass is located 1.50
Q14: A satellite is in circular orbit at
Q15: Find the orbital speed of an ice
Q16: The moons of Mars,Phobos (Fear)and Deimos (Terror),are
Q17: Ekapluto is an unknown planet that has
Q18: Beings on spherical asteroid Π have observed