A big 2.5 blob of macaroni and cheese falls to the floor in 1.2 seconds. What is the impulse on the blob?
You have the mass (I assume it is kg)
now velocity:
vf=at=9.8*1.2
impulse=mass*velocitychange
now velocity:
vf=at=9.8*1.2
impulse=mass*velocitychange