Question

Speed of a body is 72 km/ h change it in m/sec by dimension system ​

Answer 1

Answer:

velocity of 72 Km/hr means the distance of 72 Km covered in 1 hour, which can be easily converted into m/s. As 1 Km = 1000 m and 1 hour = 3600 seconds; 72 Km/hr = 72 x 1000 / 3600 = 20 m/

Answer 2

Answer:

A velocity of 72 Km/hr means the distance of 72 Km covered in 1 hour,

which can be easily converted into m/s.

As 1 Km = 1000 m and

1 hour = 3600 seconds;

72 Km/hr

= 72 x 1000 / 3600

= 20 m/s.

Explanation:

I hope it is helpful.....