Question

A cover 27/ 2 kilometre in 13 /
4 hours find its speed​

Answer 1

speed = Distance/Time

s = 27 /2 x 4/13

s= 4.15 km/hr

Answer 2

distance ( d ) = 13.5 km

= 13050

time ( t ) = 13/4 = 3.25 hr

= 3 x 60 x 60 x 25 x 60

= 1350000 sec

speed = d/t

= 13050/ 1350000

= 0.009 m/s