Question

The speed of 45m/sec converted into
km/hr is
(i) 152 km/h (i) 162km/h
(iii) 172 km/hr (iv) 27 km/h​

Answer 1

Answer:

162 km/hr

Step-by-step explanation:

To convert m/sec to km/hr we need to multiply the given speed in m/sec with 18/5.

So, required speed = 45*18/5 = 162 km/hr

Answer 2

Answer:

(ii) 162km/h

Step-by-step explanation:

45*3.6

or

45*18/5

= 162km/h