1.

An aeroplane lands at a speed of 180 km/hand stops after covering a runway ofCalculate (i) the retardation, and (ii) the timein which the plane come to rest. [(i) 1.25m/s(11) 40 sec1 Km2.]

Answer»

i. 180^2=2aa=16200km/h^2ii. 180=16200t180=18*900tt=3600/90=40s



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