A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The pro

Question

A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used?

Options:

A . 1 : 5

B . 1 : 2.5

C . 1 : 25

D . 1 : ?5

Answer: Option A

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