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TEBRANISH VA TO`LQINLAR
50. Prujinali mayatnik
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1.
Bikrligi 1 kN/m, yukining massasi 6,4 kg bo‘lgan prujinali mayatnikning tebranish davrini toping (ms).
A)
201,6
B)
502,4
C)
114,8
D)
621,1
E)
300,6
Javobni tekshirish
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50. Prujinali mayatnik — JAYDARIMOCK