A star has a period of P = 37 days. It has a radius of 5.7 times the radius of the sun.Calculate it's equatorial speed Vrot.Answer:Okm/s Om/sCheckA star has a radius of 5.7 times the radius of the sun and a mass of 18 times the mass of the sun. It rotates at 0.7 of the critical speed W, the speed at which it's surface at the equator is actually inorbit.Recall Vrot is calculated at the equator and W= Vrot/VorbCalculate it's period P.Answer:Odays Ohours OsecondsCheck

The period of the star: P = 37 days (37 x 24 x 60 x 60 seconds = 3.2 x 106 seconds); The radius of…

Answered: A star has a period of P = 37 days. It…

A star has a period of P = 37 days. It has a radius of 5.7 times the radius of the sun. Calculate it's equatorial speed Vrot.

Horizons: Exploring the Universe (MindTap Course List)

14th Edition

ISBN:9781305960961

Author:Michael A. Seeds, Dana Backman

Publisher:Michael A. Seeds, Dana Backman

Chapter11: Neutron Stars And Black Holes

Section: Chapter Questions

Problem 1P

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Question

A star has a period of P = 37 days. It has a radius of 5.7 times the radius of the sun.
Calculate it's equatorial speed Vrot.
Answer:
Okm/s Om/s
Check
A star has a radius of 5.7 times the radius of the sun and a mass of 18 times the mass of the sun. It rotates at 0.7 of the critical speed W, the speed at which it's surface at the equator is actually in
orbit.
Recall Vrot is calculated at the equator and W= Vrot/Vorb
Calculate it's period P.
Answer:
Odays Ohours Oseconds
Check

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