Calculate `M_(1),M_(2),M_(3) "and" M_(4)` measures of money suppley using the following data:

Calculate, the gravitational field at point O due to three masses m_(1),m_(2) and m_(3) whose positions are given by the following figure. If the masses m_(1) and m_(2) are equal what is the change in gravitational field at the point O?

Compute the binding energy of ""_(2)^(4)"He" nucleus using the following data: Atomic mass of Helium atom, M_(A) (He) = 4.00260 u and that of hydrogen atom, m_(H) = 1.00785 u .

If m_(1), m_(2), m_(3) and m_(4) are respectively the magnitudes of the vectors a_(1)=2hati-hatj+hatk, a_(2)=3hati-4hatj-4hatk, a_(3)=hati+hatj-hatk and a_(4)=-hati+3hatj+hatk , then the correct order of m_(1),m_(2),m_(3) and m_(4) is

If m_(1), m_(2), m_(3) and m_(4) respectively denote the moduli of the complex numbers 1+4i, 3+i, 1-i and 2-3i , then the correct one, among the following is