Dane
t = 60s
n = 20
Szukane
f = ?
T = ?
Wzory
[tex]f = \frac{n}{t} [/tex]
[tex]f = \frac{1}{T} | \times T \\ 1 = f \times T | \div f \\ T = \frac{1}{f} [/tex]
Obliczenia
[tex]f = \frac{20}{60} = \frac{1}{3} Hz[/tex]
[tex]T = \frac{1}{ \frac{1}{3} } = 1 \div \frac{1}{3} = 1 \times 3 = 3s[/tex]
