Answer:
6.1335 Kg.m/s
Explanation:
Momentum, p=mv where m is the mass of the object in Kg and v is the velocity of the object expressed in m/s
Given information
mass, m=145 g=145/1000=0.145 Kg
velocity, v=42.3 m/s
Therefore, substituting the given values we obtain
Momentum=0.145*42.3=6.1335 Kg.m/s