Respuesta :

Answer:

1350kgm/s

Explanation:

Given parameters:

Mass of footballer = 75kg

Velocity  = 18m/s

Unknown:

Momentum  = ?

Solution:

The momentum of a body is the quantity of motion it posses.

  It is mathematically given as:

  Momentum  = mass x velocity

  Momentum  = 75 x 18

   Momentum  = 1350kgm/s