Question

to
7. A speed of 1 km/h is equal
a) 1000 m/s
b) 5/18 m/s
c) 3600 m/s d) 18/5 m/s​

Answer 1

Answer:

Its B.

Explanation:

1*5/18 formula used

Answer 2

1km/h to be converted in meter / sec

hence...

=>1×1000/3600. :::[ 1000/3600 bcoz for converting km into m 1km=1000m & and for converting 1 hr into sec. 1hr= 3600sec]

=> 5/18 m/s. ( opt b)