Science, asked by Khadijamurad, 1 year ago

please answer this question with method​

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Answered by kamal2004
1

mass(m)=5kg

time(t)= 2s

initial velocity (u)=3m/s

final velocity (v)=8m/s

F=m(v-u)/t

5(7-3)/2

=5*4/2

=20/2

=10N

now,

time(t)=5 sec

u=7m/s

F=m(v-u)/t

10=5(v-7)/5

10*5=

50=5(v-7)

50/5=v-7

10=v-7

10+7=v

17=v

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