1.

An aircraft after covering a distance of 100 m on the ground, acquires a velocity of 80 "km."h^(-1).Mass of the aircraft is 10^(4) kg and its coefficient of friction with the ground is 0.2. Assuming that the acceleration of theaircraft on ground is constant, what minimum force has been applied by the engine to obtain this acceleration?

Answer»


ANSWER :`44.3xx10^(3)` N


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