Question

2. Express 15 m s' in km h-.1​

Answer 1

Answer:

=54 km h-1

Step-by-step explanation:

1 metre = 1/1000 km

15 metre = 15/1000 km

1 second = 1/3600 hr

Here, Distance = 15/1000 km

Time taken = 1/3600 hr.

Speed = Distance/Time taken

= 54 km h-1