An aircraft travelling at 600 km / h accelerates steadily at 10km / h per second. Taking the speed of sound as 1100km / h at the aircraft's altitude, how long will it take to reach the ' sound barrier '?
An aircraft travelling at 600 km / h accelerates steadily at 10km / h per second. Taking the speed of sound as 1100km / h at the aircraft's altitude, how long will it take to reach the ' sound barrier '?