Two identical planets orbit a star in concentric circular orbits in the star's equatorial plane. Of the two, the planet that is farther from the star must have

A. the smaller period.
B. the greater period.
C. the smaller gravitational mass.
D. the larger gravitational mass.
E. the larger universal gravitational constant.


Answer: B

Physics & Space Science

You might also like to view...

Why is the Cepheid's period related to their luminosity?

What will be an ideal response?

Physics & Space Science

During the 1960s and 1970s, scientists designed a spacecraft based on nuclear propulsion, but it was never built

Indicate whether the statement is true or false

Physics & Space Science

A bullet is fired horizontally at a target 20 m away. The velocity of the bullet as it leaves the gun is 200 m/s. How much, approximately, will the bullet drop on its way to the target?

A. 0.4 m B. 0.3 m C. 0.2 m D. 0.05 m E. 0.1 m

Physics & Space Science

A tire pressure gauge reads 30 psi when the atmospheric pressure is 14 psi. The net force on 2 square inches of the tire is

a. 28 lbs. b. 32 lbs. c. 60 lbs. d. 88 lbs. e. none of these.

Physics & Space Science