1.

An aircraft travelling at 600 km/h accelerates steadily at 10 km/h per second. Taking the speed of sound as 1

Answer»

Initial velocity, u = 600 km/h 

Final velocity, v = 1100 km/h 

Acceleration = 10 km/h/s = 600 km/h

From formula, a = (v-u)/t 

t = (v-u)/a 

t = 50 sec



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