Question

1. 54km/jam= .... m/sekon
2. 72km/jam= .... m/sekon
3. 500 kg/m³= .... g/cm³
4. 1 g/cm³= ... kg/m³
5. 0,2 g/cm³= .... kg/m³

jawab + cara makasih.

Answer 1

3. 500 kg/m3 = 50×10-3 g/cm3
500×1000m×10-5 = 500.000.000.000 = 500×10-3 g/cm3

Answer 2

1. 54000/3600 = 15 m/s
2. 72000/3600 = 20 m/s
3. 500/1000 = 0,5 g/cm³
4. 1 x 1000 = 1000 kg/m³
5. 0.2 x 1000 = 200 kg/m³