Question

A car travels 15cm in 5 sec it's average speed is​

Answer 1

Answer:

3cm/sec

Explanation:

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Answer 2

15 cm in 5 second

then 5second ×12=60

therefore 15×12=180cm

means 1metre 80cm in one minutes

so, to convert it in to hour= 60×60=3600second

therefore 180×60=10800cm

●so your answer will be ,10 km 800m per hour or 3cm per second.