Answer:
3.5hr
Step-by-step explanation:
Speed = Distance/time
Time = distance/speed
Given:
Distance = 6.30km
Speed = 1.80km/hr
Required
Time = ?
Substitute the given parameters into the formula as shown:
Time = 6.3/1.8
Time = 3.5hr
Hence 3.5hr has passes before you hear the sonic booom