Question

convert into m/s.
81 km/h​

Answer 1

Answer:

...........

Answer is 5 m/s

Answer 2

Answer:

22.5 m/s.

Step-by-step explanation:

⇒To convert km/h to m/s we should multiply with 5/18           ...........(a)

⇒To convert m/s to km/h we should multiply with 18/5           ...........(b)

Given: 81 km/h

Conversion: into m/s

  [ so by using (a) ]

→81 × 5/18

=22.5 m/s