taylorpe5nassic taylorpe5nassic

06-02-2017
Mathematics

Answered

Planet A and planet B are in circular orbits around a distant star. Planet A is 4.5 times farther from the star than is planet B.

What is the ratio of their speeds vA/vB?

Verified Answer :

wolf1728 wolf1728

06-02-2017

If we base this on Kepler's Third Law, then t^2 = r^3
So, if we increase the distance (r) by a factor of 4.5 then the time (t) will be increased by a factor of (4.5) ^ (3/2) or (4.5) ^ (1.5)
4.5 ^ 1.5 = 9.55
So their velocity (and their orbital time) would be in the ratio of 9.55 : 1

Answer Link

Related Questions

What is the antonyms for shawl and bilingua

What distinction does Donatellos David hold

How did people reveal distrust of others in the 1920s

What is the factor that changes in a controlled experiment

what is a word that best describes jim crow law

Prior to the development of interchangeable parts athe French led the world in the Industrial Revolution bparts used to manufacture goods were custom made charv

A store sells 24 greeting cards for 12 Which is NOT a unit rate to describe this sale

In this experiment you will use a natural indicator to indirectly determine the H concentration of some common household solutions to determine a physical chara

In powerpoint a point is of an inch in height

The sales tax on a 350 computer is 2275 Find the tax rate

Web Analytics