A4000-kg truck traveling with a velocity of 20 m/s due south collides head-on with a 1350-kg car traveling with a velocity of 10 m/s due north. the two vehicles stick together after the collision. what is the momentum of each vehicle prior to the collision?

Momentum of Truck

Momentum of car

Explanation:

Given

mass of truck(m)=4000 kg

Velocity of Truck is ()=

mass of car ()=1350 kg

Velocity of car

Conserving momentum

Momentum of Truck

Momentum of car

this allows people to make the best decision or pursue the best option. when alternatives are weighed using their advantages and disadvantages, the option whose disadvantages outweigh the advantages (based on a qualitative or quantitative analysis) are shunned while those whose advantages outweigh their disadvantages are pursued.  

i think the answer is a, hope this is right, that would be my best guess.