Question

Express each of the follow
ing speeds in metre per second.
(a) 72 km per hour
(b) 18 km per hour
(C) 144 km per hour​

Answer 1

Step-by-step explanation:

(a) 72*5/18

= 15 m/s

(b) 18*5/18

= 5 m/s

(c) 144*5/18

= 40 m/s

Answer 2

Answer:

Hey friend,

Here is the answer you are searching for,

To change km/h to m/s,

We have to multiply it by 5/18,

Therefore,

a) 72 km/h = 72 × 5/18 = 20 m/s.

b) 18 km/h = 18 × 5/18 = 5 m/s.

c) 144 km/h = 144 × 5/18 = 40 m/s.

HOPE IT HELPS YOU.

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