Respuesta :

wriley

Answer:

47 miles per hour = 21 metres per second (to 0 decimal places)

Step-by-step explanation:

47 miles per hour

47 miles x 1609.344 = 75639.2 metres

75639.2 metres per hour DIVIDED BY 3600 = 21.0108888889 metres per second

altavistard

Answer:

5.5 m/sec

Step-by-step explanation:

We need to look up (or remember) that 0.44704 m/sec = 1 mph.

Then:

47 mph      0.44704 m/sec

------------- * ----------------------- = 5.5 m/sec

      1          1 mph