Question

quetion number .40 ​

Answer 1

-0.2 kg- m/s is the answer.

Answer 2

Answer:

impulse = force * time

m=0.1

a=0-4/2=2m/s

f=0.1*2=0.2N

impulse=o.2*2= 0.4

so answer is -0.4 in opposite direction

option 4