64. If speed of 3 m/s is converted to km/h,
then it would be
(A) 8 km/h
(B) 9 km/h
(C) 10 km/h
(D) 12 km/h
Answers
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Answer is 10.8km/h
Step-by-step explanation:
to convert meter per second to kilometre per hour multiply the speed given in meter per second by 18/5.
speed= 3m/s
= 3x18/5 = 54\5
= 10.8
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