Figure a shows a molecule consisting of two atoms of masses m and M (with m (a) If the total mechanical energy E of the two-atom system is greater than zero (as is E1), and(b) If E is less than zero (as is E2). For E1 = 1 x 10-19 J and r = 0.3 nm, find(c) The potential energy of the system,(d) The total kinetic energy of the atoms, and(e) The force (magnitude and direction) acting on each atom. For what values of r is the force?(f) Repulsive,(g) Attractive, and(h)Zero?

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(a) Eg 0.4 0.1 r (nm) (6) 0.3 0.2 U(G), E (10-19 J)