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42. A train 1s running at a speed 01 00 N11/43..eeThe speed of a racing car is 60 m/s. What will this speed be in km/h ? |
Answer» <p>1 km/hr= 5/18 m/s 60 m/s =60×18/5 = 12×18 = 216 km/hr. </p> | |