Two masses of $4\, kg$ and $5 \,kg$ are connected by a string passing through a frictionless pulley and are kept on a frictionless table as shown in the figure. The acceleration of $5\, kg$ mass is ........... $m/s^2$
$49$
$5.44$
$19.5$
$2.72$
Two masses of $4\, kg$ and $5 \,kg$ are connected by a string passing through a frictionless pulley and are kept on a frictionless table as shown in the figure. The acceleration of $5\, kg$ mass is ........... $m/s^2$
$a = \frac{{{m_2}}}{{{m_1} + {m_2}}} \times g = \frac{5}{{4 + 5}} \times 9.8 = \frac{{49}}{9} = 5.44\;m/{s^2}$
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