Question

36 k/h - 20 m/s =
napiszcie sam wynik :3 proszę :)

Answer 1

36 km/h - 20 m/s = 36 1000m/3600s - 20 m/s = 36 * 10/36 m/s - 20 m/s = 360/36 m.s - 20 m/s = 10 m/s - 20 m/s = -10 m/s

 

Answer 2

v1 = 36 km/h = 36*1000m/3600s = 10 m/s 

v2 = 20 m/s 

 

v1 - v2 = 10m/s - 20m/s = -10 m/s