A boy runs a distance of 3 m in 1 s. What is hisspeed in km/h?(a) 11.8 – InterviewSolution

1.

A boy runs a distance of 3 m in 1 s. What is hisspeed in km/h?(a) 11.8 km/h(b) 11 km/h(c) 10 km/h(d) 10.8 km/hplease tell me step by step

Answer»

(d) is your answer.

EXPLANATION=

v=s/t

v=3/1 m/s

v=3/1 × 18/5 (SINCE 1m/s=18/5 km/hr)

v=10.8 km/hr

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