Mathematics

A car is travelling at an average speed of 80km/hr. Its speed in meters per…

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