Question

converta os valores 80 m/s - km/h

Answer 1

Vamos exemplificar 1m/s = $\frac{0,001km}{0,000277778h}$
$1m/s=3,6km/h$

1m/s         3,6km/h
80m/s        x
$x=288km/h$

Answer 2

80m/s -km/h
1km=1000m
1h=3600seg
80x3600=288,000
288,000/1000=288
80m/s⇒288km/h