zad.1. 20 km/h = 20 *1000 m/3600 s ≈ 5,56 m/s 100 km/h = 100 *1000 m/3600 s ≈ 27,78 m/s 4 km/h = 4 *1000 m/3600 s ≈ 1, 11 m/s zad.2. 1 m/s = 1 *1/1000 m / 1/3600 m = 3,6 km/h 1 m/s = 3,6 km/h 20 m/s = x x = 20 m/s * 3,6 km/h /1 m/s x = 72 km/h 1 m/s = 3,6 km/h 100 m/s = x x = 100 m/s * 3,6 km/h /1 m/s = 360 km/h 1 m/s = 3,6 km/h 4 m/s = x x = 4 m/s * 3,6 km/h /1 m/s = 14,4 km/h
1 a) 20km/h= 20 * [latex]frac{1000}{3600}[/latex]= 5,55 m/s b) 100 km/h = 100 * [latex]frac{1000}{3600} = 27,77 m/s c) 4 km/m = 4 * [latex]frac{1000}{3600} = 1,11 m/s 2. 20m/s = 20 * [latex]frac{frac{1}{1000}}{frac{1}{3600}} =72 km/h 100m/s = 100 * [latex]frac{frac{1}{1000}}{frac{1}{3600}} = 360km/h 4m/s = 4 * [latex]frac{frac{1}{1000}}{frac{1}{3600}} = 11,4 km/h