- 154

- 2

For Momentum, this yields:

MV = (M/2)(4V/3) + MV/3 = 4/6 MV + 1/3 MV = 2/3 MV+ 1/3 MV

For Kinetic Energy:

1/2 MV

^{2}= 1/2 (M/2) (4V/3)

^{2}+ 1/2 M(V/3)

^{2}

=M/4 (16/9) V

^{2}+ 1/18 MV

^{2}= 4/9 MV

^{2}+ 1/18 MV

^{2}= 9/18 MV

^{2}= 1/2 MV

^{2}