Calculate the MASS of the sun

  • Thread starter 8parks11
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  • #1
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a)calculate the mass of the sun from the radiuos of the earth's orbit (1.5 x 10^11m), the earth's period in its orbit, and the gravitational constant of G.

Sohere we are given the speedof light, 3x10^8, and G as 6.673x10^-11

so i get that v=2pi x r / T
and that r= ct

how do i continue from then on to get the mass of the sun that is
1.98892 × 10^30 kilograms
 

Answers and Replies

  • #2
63
0
how would i use 2pi * r /T = V
then r = ct?
 
  • #3
63
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zz help! plzzz
 
  • #4
44
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What are we doing with the speed of light? Stick with summing the forces and you'll be ok.
 

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