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A speed of 30.6 km/hr. is the same as?

5.1 m/sec.
8.5 m/sec.
110.16 m/sec.
1.7 m/sec.

Correct Answer: 8.5 m/sec.

Explanation:

Speed in m/sec = speed in km/hr x (5 / 18 )
Speed in m/sec = ( 30.6 x 18 /5 ) m/sec
= 8.5 m/sec

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