Given, ‌s=3m,t=3s,u=0(‌ set free ‌) ‌s=ut+‌
1
2
at2 ‌3=0+‌
1
2
a×32 ‌a=‌
2
3
m∕s2 Applying the result of Newton 2nd law, F=ma So, ‌m1g−T=m1a ‌T−m2g=m2a Adding Eq. (i) and Eq. (ii), g(m1−m2)‌=a(m1+m2) 10(m1−m2)‌=‌