anonymous
  • anonymous
A newly discovered planet has a mass 1.5 times compared to that of the earth, and its diameter is 3 times compared to earth. What is the gravitational acceleration on this planet?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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welshfella
  • welshfella
now this is a formula i have definitely forgotten
anonymous
  • anonymous
Fg = Gm1m2/r^2
anonymous
  • anonymous
or Fg = Gm/r^2

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welshfella
  • welshfella
oh ok so n1 amd m2 are the masses and r^2 = radius?
anonymous
  • anonymous
yes ;)
welshfella
  • welshfella
G is the acceleration due to gravity?
anonymous
  • anonymous
G = 6.67 X10^-11
anonymous
  • anonymous
yes :)
welshfella
  • welshfella
I'm not entirely clear about it and i haven't the time to look it up . sorry
anonymous
  • anonymous
oh it's okay thank you :)
anonymous
  • anonymous
can you help me @ganeshie8 :)
anonymous
  • anonymous
\[mg=G \frac{Mm}{r^2}\] \[g=G \frac{M}{r^2}\]\[g \alpha \frac{M}{r^2}\] \[\frac{g'}{g}=\frac{\frac{M'}{r'^{2}}}{\frac{M}{r^2}}\]\[g'=g \frac{M'r^{2}}{Mr'^{2}}\] M'=Mars of new planet r'=radius of new planet M=mass of earth r=radius of earth Also given \[M'=1.5M\] for the radius also u can calculate

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