Asked by Jaizzer

1. Which of the following is the fastest speed? Show your working.
(a) 60 km/h
(b) 15 m/s
(c) 1.1 km/min
Answered by drwls
60 km/h = 60*1000m/3600s = 16.67 m/s, which is larger than(b)

1.1 km/min= 1100 m/60 s = 18.33 m/s,
which is faster than (a) and (b)

So the answer is (c)
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