Question

convert a speed 72 km/h into (1)ms (2)cms (3)km/s​

Answer 1

Answer:

1.72×1000/1×3600

=20m/s

2.20×100/1

=2000cm/s

3.72km/h

=72/1×3600km/s

=0.02km/s

Answer 2

Answer:

Explanation:

72 km/h

in m/s

=72000m/h    [1 km=1000m]

=72000km/3600 s [ hour=3600 seconds]

=20 m/s

in cm/s

=2000 cm/s  [1 meter=100 cm]

in km/s

72 km/h

=72km/3600 s

=2km/100 s

=1 km/50 s

=0.02 km/s