Question

75km/h = ? m/s
38m/s = ? km/h
140km/h = ?m/s
240km/h = ? m/s
70m/s = ? km/h
130km/h = ? m/s
DAJE NAJ

Answer 1

38m/s= (38x 1/1000)/1/3600= 38/1000 x 3600 = 136,8 km/h

140 km/h= 140 000m/3600s= 38,8 m/s

240 km/h = 240 000m/ 3600s= 66,7 m/s

70m/s = (70 x1/1000h )/1/3600= 252 km/h

130 km/h = 130 000m/3600s= 36,1 m/s