Question

Two points masses each equal to 1Kg attract one another with a force of 10^-10N.The distance btw the two point masses is
a, 8cm
b, 80cm
c, 0.8cm
d, 0.08cm

Answer 1

Explanation:

G = 6.67*10^-11 m^3/kg s^2

force = G*m1*m2/r^2

10^-10 = 6.67*10^-11*1*1/r^2

r^2 = 6.67*10^-11/(10^-10) = 6.67*10-1

taking square root

r= 0.816 m = 81.6 cm

option b is nearest so, b is correct

Answer 2

Answer:

The correct answer for your question is option d 0.08 cm..

Hope it will be helpful