Question

A car travels 4km in 3 minutes find the speed of car in cm/sec

Answer 1

time = t = 3 minute = 3×60 sec = 180sec

distance = d = 4km = 4×10^5 cm = 400000 cm

speed = V = ?

V = d/t

V = 400000cm/180sec

V = 2222.22cm/sec

so the speed of the car is = V = 2222.22 cm/sec