
ruch po okręgu
Authored by Ewa Mazepa
Physics
9th Grade
Used 699+ times

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15 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Okresem nazywamy....
czas, w którym ciało w ruchu po okręgu wraca do położenia początkowego.
czas, w którym ciało wykona 5 obrotów.
czas, w którym ciało pokona pół okręgu.
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Okres oznaczamy literą:
O
A
f
T
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Częstotliwość wyrażamy w ...
sekundach
metrach
hercach
kilogramach
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Częstotliwość obliczymy ze wzoru:
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Jeżeli ciało wykonuje 600 obrotów na minutę, to jego częstotliwość wynosi:
600 Hz
100 Hz
60 Hz
10 Hz
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Bęben pralki ma średnicę 40 cm i obraca się 1200 razy w czasie minuty.Oblicz z jaką prędkością porusza się punkt na jego obwodzie. Wynik podaj w przybliżeniu.
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Płyta CD ma średnicę 12 cm, a częstotliwość jej obrotów wynosi 5 Hz. Ile wynosi okres obiegu punktu na brzegu płyty wokół środka okręgu?
0,5 s
5 s
2 s
0,2 s
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