Question

calculate the viscous force acting on a raindrop of diameter 2 mm falling with a uniform speed 2 metre per second through a year ETA of air is 1.8 into 10 raise to minus 5 Newton second metre second square gives the flow of liquid at the rain​

Answer 1

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Answer 2

Answer:

heya mate I am giving you a hint follow it to get answer

Explanation:

Critical velocity is the velocity of liquid flow upto which its flow is streamlined [laminar]and after which it flow becomes turbulent.