Question

please solve this numerical​

Answer 1

Answer:

F=-2000N

Explanation:

m=2000kg

u=54km/h

=15m/s

v=0

t=15sec

now,

change in momentum=m(v-u)

=2000 ( 0-15 )

=-30000kg m/s

f=m(v-u)/t

= -30000/15

f= -2000N