Respuesta :

4g-t=4a (t is tension in string attached to mass m1) 
T-3g=3a (T is tension in string attached to mass m2) 
t-T=Ma=6a 
so by solving, 
4g-3g=13a 
a=g/13
4g-t=4a (t is tension in string attached to mass m1) 
T-3g=3a (T is tension in string attached to mass m2) 
t-T=Ma=6a 
so by solving, 
4g-3g=13a 
a=g/13
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