1.

The mass of the earth is 6 × 10 raised to 24 kg . The distance between the earth and the sun is 1.5 ×10 raised to 11 m . If the gravitational force between the two is 3.5 ×10 raised to 22 n , what is the mass of the sun ?

Answer» F =G M*m /r^2
3.5*10^22 = 6.67*10^-11* 6*10^24*m/2.25*10^22
m = 3.5*2.25*10^44/6.67*6*10^11
m = 7.87*10^33/40
m = 2 *10^10 KG


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