Question

Express each of the following speeds in km /hour.
(1) 13.5m/sec​

Answer 1

Answer:

sorryyy yaarrr.....bt u get this from google as well....

Answer 2

Answer:

48.6km/hour

Step-by-step explanation:

13.5 m/ s into km/h

13.5 m × 3600 sec (1 hour) ÷ 1000 m (1km)

= 13.5 × 18 ÷5

= 243 ÷5

= 48.6 km/h