Question

Define supersonic speed​

Answer 1

Answer:

Supersonic travel is a rate of travel of an object that exceeds the speed of sound. For objects traveling in dry air of a temperature of 20 °C at sea level, this speed is approximately 343.2 m/s. Speeds greater than five times the speed of sound are often referred to as hypersonic.

Answer 2

Explanation:

Sound which can be heard by human ears is called super sonic sound frequency is between

20 Hz to 20000 Hz

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