Question

51. A car travels 50 meters in 5 seconds. The rate in kilometer per
hour is: A. 42 B. 36
C. 30
D. 24

Answer 1

Answer:

B)36

Explanation:

Speed

= 50m/5s

= 10 m/s

= 10×18/5 km/hr

= 2×18 km/hr

= 36 km/hr → ans

Answer 2

Answer:

B) 36 kmph

ANS EXPLANATION

GIVEN: speed = 50 m/5 sec ⇒ 10 m/s

now, converting 10 m/s to km/h

    10 X 3.6= 36 km/h      ( ∵ 1 m/s = 3.6 kmph)

(mark me brainliest if you are satisfied with the answer ;-)