The masses of $4 kg$ and $5 kg$ are connected by a string passing over a frictionless pulley and are kept on a frictionless table as shown in the figure. The acceleration of $5 kg$ mass is

49 {m/s}^{2}

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5.44 {m/s}^{2}

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19.5 {m/s}^{2}

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2.72 {m/s}^{2}

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Solution

The correct option is B $5.44 {m/s}^{2}$
Acceleration of the block, $a = \frac{m_{2}}{m_{1} + m_{2}} \times g$ $= \frac{5}{4 + 5} \times 9.8 = \frac{49}{9} = 5.44 {m/s}^{2}$

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The masses of 4 kg and 5 kg are connected by a string passing over a frictionless pulley and are kept on a frictionless table as shown in the figure. The acceleration of 5 kg mass is

The correct option is B 5.44 m/s2Acceleration of the block, a=m2m1+m2×g =54+5×9.8=499=5.44 m/s2

The masses of $4 kg$ and $5 kg$ are connected by a string passing over a frictionless pulley and are kept on a frictionless table as shown in the figure. The acceleration of $5 kg$ mass is

The correct option is B $5.44 {m/s}^{2}$
Acceleration of the block, $a = \frac{m_{2}}{m_{1} + m_{2}} \times g$ $= \frac{5}{4 + 5} \times 9.8 = \frac{49}{9} = 5.44 {m/s}^{2}$