Odpowiedź:
Wyjaśnienie:
[tex]q = -6,4 \ nC = -6,4\cdot10^{-9} \ C\\e = -1,6\cdot10^{-18} \ C\\\\n = \frac{q}{e}\\\\n = \frac{-6,4\cdot10^{-9} \ C}{-1,6\cdot10^{-19}C} =4\cdot10^{-9-(-19)} = 4\cdot10^{10} = 40\cdot10^{9} = 40 \ miliard\'ow[/tex]
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Odpowiedź:
d) 40 miliardów.
Wyjaśnienie:
[tex]q = -6,4 \ nC = -6,4\cdot10^{-9} \ C\\e = -1,6\cdot10^{-18} \ C\\\\n = \frac{q}{e}\\\\n = \frac{-6,4\cdot10^{-9} \ C}{-1,6\cdot10^{-19}C} =4\cdot10^{-9-(-19)} = 4\cdot10^{10} = 40\cdot10^{9} = 40 \ miliard\'ow[/tex]