4) In the figure, m1 = 0.50 kg, m2 = 0.40 kg and the pulley has a disk shape of radius 0.05 m and mass M = 1.5 kg. What is the linear acceleration of the block of mass m2?
 
   A1 0.59 m/s**2
   A2 0.42 m/s**2
   A3 1.46 m/s**2
   A4 0.21 m/s**2
   A5 0.0
T2
T1
T1
m1g
a
m2g
T2
a
m1g-T1=m1a 
T1= m1g-m1a    (1)
T2-m2g=m2a
T2=m2a+m2g    (2)
m1
m2
T1-T2 =(m1-m2)g-(m1+m2)a
 put  in (3) to get value of a