ok thanks very much PeterO :)
i have done a calculation but am not too sure whether this is correct at all...
mp = rp x rs
ms
so,
mp = 1.5 x 108km x 1.0 x 106km
2.0 x 1030kg
mp = 150 000 000 000 000...
So far all the info i have is that;
a) the star is 1 million miles from the centre of mass
b) the planet is 150 million miles from the centre of mass; and
c) both bodies are in circular orbits to the centre...
so I'm not too sure how to use this data to calculate the answer...
Ax
Hi all :)
Hope the day has been good to you...i am stuck on a question for my uni assignment, and have been stuck on this one for about 3 days to no avail...i don't even know where to start. I'm not too sure whether i need a certain equation for the question or if i have to come up with one...