Answer: Value of impulse is [tex]2.4\times 10^3\text{kg m/s}[/tex]
Explanation: lmpulse is defined as the amount of force acting over a short time interval 't' which is equal to the change in momentum of the body having mass 'm'.
Mathematically,
[tex]J=F\times t=m\Delta v[/tex]
And,
[tex]\Delta v=v_2-v_1[/tex]
Given:
[tex]m=1.2\times 10^3kg\\v_1=18m/s\\v_2=20m/s[/tex]
Putting values in above equation, we get:
[tex]J=m(v_2-v_1)=1.2\times 10^3(20-18)\text{ kg m/s}[/tex]
[tex]J=2.4\times 10^3\text{kg m/s}[/tex]
