Spaceman Speff orbits spherical asteroid X with his spaceship. To remain in a circular orbit at 421 km from the asteroid's center, he should maintain a speed of What is the mass of planet X? (G = 6.67 × 10-11 N ? m2/kg2)

A) 4.0 × 1019 kg
B) 5.1 × 1017 kg
C) 4.0 × 1016 kg
D) 5.1 × 1014 kg


A

Physics & Space Science

You might also like to view...

An iron-80 atom %



Physics & Space Science

The diffusion of atoms of similar size depends upon the presence of _____________.

Fill in the blank(s) with the appropriate word(s).

Physics & Space Science

Water flows through a pipe having a varying width. More water flows per second through the wide section than through the narrow section because there is more room for it to flow

A) True B) False

Physics & Space Science

Characteristics of Waves: A tsunami, an ocean wave generated by an earthquake, propagates along the open ocean at 700 km/hr and has a wavelength of 750 km. What is the frequency of the waves in such a tsunami?

A. 0.93 Hz B. 0.00026 Hz C. 1.1 Hz D. 6.8 Hz E. 0.15 Hz

Physics & Space Science