1.

culate the gravitational force befween two protons kept at a distance67 x 10-27 kg. (1 femtometre = 10-15 m)

Answer»

gravitational force = (G.m1.m²)/r² = 6.67×10^-11×(1.67 ×10^-27)²/(10^-15)²

Force = 6.67*1.67*1.67 × 10^-31 = 1.86 × 10^-30N



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