Question

An aircraft travelling at 600 km per hour excluded start Lee at 10 km per hour per second taking the speed of sound as 1100 km per hour at the aircraft altitude how long will it take to reach the sound barrier

Answer 1

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speed of sound = 1100 km/hr

v = u + a t

t = (v - u) / a = (1100 - 600 ) / 10 = 50 s

I hope, this will help you

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