Question

A car is travelling with a speed of 20 km/hr. After how much time (in sec) it will be able to cover a distance of 20 m.

Answer 1

Answer:

3.6s

Explanation:

speed = 20×5/18 m/s

= 50/9 m/s

distance= 20m

time= d/s

= 20× 9/50

18/5= 3.6 s

Answer 2

Answer:

5.55.. sec

Explanation:

I thinks so.

Tell if I am wrong