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On a windless day a cyclist goes an incline uphill at a constant speed of 12 km/hr and downhill on same incline at 16 km/hr. Air resistance is proportional to
square of his speed and his maximal effort which he applies on pedal which causes friction on tyre to move the cycle is independent of speed. His
maximum speed on his maximal effort on a flat road is close to :-
0 20 km/hr
0 18 km/hr
O 22 km/hr
0 14 km/hr
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Answer:
0 18 km/hr......................
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