Предмет: Физика, автор: romandon123p70md1

Найти длину маятника если за 60 сек, он совершает 20 простых колебаний, ускорение принять равным 10м/с²?

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Автор ответа: tyutyurini
5
Т=t/N=60/20=3 c
T=2π√(l/g)
T²=4π²l/g
l=T²g/4π²≈9*10/4*10≈2,3 м
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