Question

The speed of the train is 72km/hr. Find its speed in
m/sec.

a) 10
b) 20
c) 30
d) 40​

Answer 1

Answer:

may be 10m/s 72*1000/3600

Answer 2

Step-by-step explanation:

72km/pH

$\qquad\qquad\bf{:}\longmapsto 72×5/18$

$\qquad\qquad\bf{:}\longmapsto 4×5$

$\qquad\qquad\bf{:}\longmapsto 20km/s$

[tex]\qquad\qquad\bf{:}\longmapsto 20k m/s[\tex]