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Air flows through a 0.5 m length and 1 cm diameter pipe for a soft robotics application. If the desired air velocity is 2 m/s, find the necessary power to drive the air. (Pair-1.2 kg/m³, p=1.8x10-5 kg/m.s) OA) 0.9 mW OB) 1.5 mW O C) 3.2 mW OD) 2 mW

Water is stored in a cylindrical tank which is opened to atmosphere. To control its height, it is also discharged to the atmosphere via a tap. If the height of the water in the tank is 2 m, find the initial velocity of the discharged water in m/s. O A)6.26 mi's OB) 50.12 m/s O C) 12.53 m/s OD) 4.2 m/s