Question

what is the speed of whisthle​

Answer 1

Answer:

A whistle produces 256 waves per second.

Answer 2

Answer:To ensure a wide variety of whistle characteristics, the fundamental frequency of a whistle shall be between the following limits: 70-200 Hz, for a vessel 200 meters or more in length; 130-350 Hz, for a vessel 75 meters but less than 200 meters in length; 250-700 Hz, for a vessel less than 75 meters in length

Explanation: