определите число колебаний нитяным маятником за 2 мин с длиной нити 40см СРОЧНО...

o2784913 $T= 2\pi \sqrt{ \frac{l}{g} }$

$T = 2 \times 3.14 \times \times \sqrt{ \frac{0.4}{9.8} } = 1.27$ c

$t = \frac{T}{n}$

$n = \frac{t}{T}$

$n = \frac{120}{1.27} = 94$

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fizik34

Verified answer

T=2π√l/g

T=t/N

N=t/T

T=2*3,14√0,4/10=1,256 (c)

N=120/1,256=95

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