A car is travelling at an average speed of 80km/hr. Its speed in meters per second (m/s) is
-
A.
13.3m/s -
B.
22.2m/s -
C.
133.3m/s -
D.
222.2m/s -
E.
1333.3m/s
Correct Answer: Option B
Explanation
80km/h = (frac{80}{60}) x (frac{1000}{60}) = 3 x 3= (frac{40 x 5}{9})
= (frac{200m/s}{9}) = 22.22m/s