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The speed of a car in $$54 \frac{km}{hr}$$. What is its speed in $$\frac{m}{sec}$$ ?
Speed of a car = 54 km/hr
Speed (in m/s) = $$54\times\frac{5}{18}$$
= $$3\times5=15$$ m/s
=> Ans - (D)
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