Question

the speed of a car is 72 km/h ecpress it in m s-1 please explain step by step..​

Answer 1

Answer:

45 m/s

Explanation:

to convert from km/h to m/s we multiply by 1000/3600

so on simplifying it becomes 5/8

so

72×5÷8 = 45

you have to just remember the fraction i.e. 5/8

Answer 2

Answer:

1 kmph=5/18m/s

then,

72kmph=5/18×72 m/s

72kmph=20m/s