Question

A car Covers a distance of 8km in 12 mins. Calculate the speed a) cm/s b) m/s c) km/s

Answer 1

distance = 8 km=8000m= 800000 cm
time = 12 minutes= 720 seconds


a) v = d/t.
= 800000/720
= 1111.11 cm /s

b) in m/s

= 8000/720
= 11.1 m/s

c) in km/s
= 8/720
= 0.011 km /s