Asked by anthony
Sun will turn into a red giant star one day. Today the sun has a mass of 2*10^30kg and a radius of 70km and an angular velocity of 2.85*10^-6 rad/s.
How fast are the particles moving at the surface of the sun? When the sun turns into a red giant its mass will be 75% of what it is today and its radius will be 80 times larger calculate red giants angular velocity.
How fast are the particles moving at the surface of the sun? When the sun turns into a red giant its mass will be 75% of what it is today and its radius will be 80 times larger calculate red giants angular velocity.
Answers
Answered by
bobpursley
tangential velocity= radius*angularvelocity.
70km is not very far, I can drive that in about 40 minutes. I think the Sun must be larger than that.
70km is not very far, I can drive that in about 40 minutes. I think the Sun must be larger than that.
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