PhysicoRaj,
After working out the gravitation formula and obtaining gravitational constant G there appeared a chance to check up the correctness of finding by the Cavendish the force of gravitation between the first ball with the mass of 1.0 g and the second ball with the mass of 1.0 g, located...
A fighter jet has 1 m^2 rcs and is located at 200nmi. Where would a flock of birds with 0.0015 m^2 rcs should be located in order to have the same detectability?