unit

 Siti cycles at a velocity of 3.1 kmj^-1. What is this velocity, in ms^-1?

Siti berbasikal dengan halaju 3.1 kmj^-1.

Berapakah halaju ini, dalam ms^-1?

A 0.09

B 0.86

C 1.16

D 11.61                                                                                               (1markah)

 1 kilo=1000

60 minutes= 1 hour

60 seconds= 1 minute

 = 3.1 x 1000 / 60 /60

 = 0.86 ms^-1

Answers: B