A car travels 120 km in 4 hours. Calculate its average speed in m/sec. [Give your answer correct to one decimal place].
Answer & explanation
Correct answer: option 4
We know ,
Speed = \(\frac{Distance }{Time}\)
= \(\frac{120}{4}\) = 30 km/h
30 km/h = 30 × \(\frac{5}{18}\) = 8.3 m/sec