alleryA ball is thrown 150 m in 10 seconds. What is that speed in km/h?
A54 km/h
B45 km/h
C48 km/h
D36 km/h
Answer & Solution
Correct answer: A. 54 km/h
150 / 10 = 15 m/s, and 15 x 3.6 = 54 km/h.
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