Convert 72 km/h to m/s.
A15 m/s
B20 m/s
C25 m/s
D30 m/s
Answer & Solution
Correct answer: B. 20 m/s
1. m/s = km/h × 5/18.
2. 72 × 5/18.
3. = 20 m/s.
_Source: jkchrome TSD QB, p.1 — unit conversion_
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