Dane:
T = 7s
g = 10 [m/s²]
Rozw.:
T = 2π √l/g
z tego liczymy l
T² = 4π²l/g
T²g = 4π²l
l = T²g / 4π² = (7s)² × 10 [m/s²] / 4×(3,14)² = 12,4 m
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Dane:
T = 7s
g = 10 [m/s²]
Rozw.:
T = 2π √l/g
z tego liczymy l
T² = 4π²l/g
T²g = 4π²l
l = T²g / 4π² = (7s)² × 10 [m/s²] / 4×(3,14)² = 12,4 m