A 27 g marble sliding to the right at 23 cm/s overtakes and collides with a 11.7 g marble moving in the same direction at 14.4 cm/s After the...

A 27 g marble sliding to the right at 23 cm/s overtakes and collides with a 11.7 g marble moving in the same direction at 14.4 cm/s   After the collision the 11.7 g marble moves to the right at 25.8 cm/s

find the velocity of the 27 g marble after the collision in cm/s