Question

solve it please as soon as possible

Answer 1

HEY BUDDY YOUR ANSWER IS GIVEN BY UDIT

F=m×a

a=(v-u)/t

here v =final velocity =0
and u = initital velocity =108km/hr =30m/s
and t=time =4 second

so a=(0-30)/4

a=-30/4=-7.5m/s^2

force =1000×(-7.5)

=-7500 N