A scooter moves at 72 km/h. What is its speed in metres per second?
A7.2 m/s
B72 m/s
C20 m/s
D200 m/s
Answer & Solution
Correct answer: C. 20 m/s
72 km/h is 72000 m in 3600 s, which equals 20 m/s.
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