Oblicz dlugosc wahadla matematycznego ktorego czestotliwosc wynosi 2hz a g=10 m/s2
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dane:
f = 2 Hz
g = 10 m/s²
szukane:
l = ?
T = 2π√l/g I²
4π²·l/g = T² I*g
4π²l = gT² /:4π²
l = gT²/4π²
T = 1/f
l = g·(1/f)²/4π²
l = 10m/s²·(1/2/s)²/(4·3,14²) = 2,5m/39,4384 = 0,063 m
l = 0,06m
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