Answer
$ 4.87\ N$
Work Step by Step
Applying Newton's second law for mass $m_2$;
$m_{2}g - T_2 =m_2 a$
$T_2 =m_2(g-a)$
$T_2=(0.5\ kg)(9.8\ m/s^2 - 0.06\ m/s^2)$
$T_2 = 4.87\ N$
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