Answer:
30,000kg m/s²
Step-by-step explanation:
Force=mass ×acceleration
Acceleration = Change in Velocity /time
Acceleration =V2-V1/T
Acceleration= 30-15/2
Acceleration =15/2
=7.5m/s²
Force = 4000kg × 7.5m/s²
=30,000kgm/s²
You can also place the answer in Newton (N)