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15 m/s can be written in km/h as ______(a) 54(b) 44(c) 45(d) 56The question was posed to me in unit test.This intriguing question comes from Kinematic Equations for Uniformly Accelerated Motion topic in division Motion in a Straight Line of Physics – Class 11

Answer»

The CORRECT choice is (a) 54

For explanation I would SAY: The formula for CONVERSION is, km/h = (18/5) x m/s. Therefore, 15 m/s = 15 x (18/5) = 54 km/h.



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