180 km/h = _____?

40 m/s

50 m/s

45 m/s

60 m/s

To convert km/h to m/s:

1 km = 1000 m

1 hour = 3600 seconds

So, 180 km/h = 180 × (1000 m / 1 km) × (1 hour / 3600 seconds)

= 180 × 1000 / 3600

= 50 m/s