A girl of mass 23 \(kg\) jumps with a horizontal velocity of 9 ms1 onto a stationary cart with frictionless wheels. The mass of the cart is 3 \(kg\). What is her velocity as the cart starts moving? Assume that there is no external unbalanced force working in the horizontal direction.

Velocity -  ms1
 
Important!
Note: Enter your answer with 2 decimal digits.