Question

calculate the time in hours taken by a car to travel a distance of 72 km at a speed of 10 M per second

Answer 1

Hello dear..Here is your answer

distance=72 km speed=10m/sec=10×18/5=36km/h

time=Distance/speed

time=72/36

time=2 hour

Hope it helps

Answer 2

distance = d = 72km = 72000m
speed = v = 10m/s
time = ?
1 hour = 3600s

V = d/t
Vt = d
t = d/v
t = 72000/10
t = 7200 s
t = 7200/3600
t = 2 h

car take 2 hour