- 580

- 0

## Main Question or Discussion Point

Two identcal spiral galaxies A and B with equal but opposite momenta a and b are merged to form a resultant galaxy C with a net linear momentum c. Which is true?

a) c>b

b) 0<c<b

c)c= abs(b)+abs(a)

d) c=0

a) c>b

b) 0<c<b

c)c= abs(b)+abs(a)

d) c=0