Question

An aircraft travelling at 600 km / h accelerates steadily at 10km / h per second. Taking the speed of sound as 110km / h at the aircraft's 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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Answer 2

speed of sound = 1100 km per hour

v = u + a t

t = (v - u) / a

= (1100 - 600 ) / 10

= 50 second