Physics, asked by Dishachopra, 8 months ago

please solve this numerical

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Answered by nikaml579

2

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

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