The answer is B. 33,000kg.m/s East.
Momentum can calculated by getting the product of mass and velocity. The formula is:
[tex]p=mv[/tex]
Where:
p=momentum
m = mass
v = velocity
The given in your problem are:
m = 1,100kg
v = 30m/s (East)
Just plug in your given in the formula and solve:
[tex]p=mv[/tex]
[tex]=(1,100kg)(30m/s)[/tex]
[tex]=33,000kg.m/s[/tex] East