A 3000kg car leaves the house and drives at a constant speed with a momentum of 90000 kgms-1. It travels south for 17 minutes, then turns and travels east for 39 minutes. It turns again and travels north for 23 minutes. Finally, it turns again to travel west for 49 minutes and arrives at the hospital.
What is the displacement of the hospital to the east of the house?
A -9000m
B -18000m
C -2100m
D 2700m
E -2700m
I don’t know why but I keep getting 20991.4268214 which is not even in the options. 
. Can anyone help? The answer is B
