Question

convert 45 kilometre per hour into metre per second square​

Answer 1

25/2= 12.5

Explanation:

1km have 1000 meter

and 1hour have 60 minutes

so , 1minute have 60 sec

1hr = 60 min ×60 sec

now put them in the value

45 km× 1000/ 1 hr × 60 min × 60 sec

: so by solving

25/2 = 12.5