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keigleyhannah30
01.09.2020 •
Physics
) Un círculo de 120 cm de radio gira a 600 rpm. Calcula: a) su velocidad angular
b)su velocidad lineal en la llanta
c)su periodo
d)su frecuencia
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Ответ:
Responder:
20πrads ^ -1; 24πrads ^ -1; 0,1 seg; 10 Hz
Explicación:
Dado lo siguiente:
Radio (r) del círculo = 120 cm
600 revoluciones por minuto en radianes por segundo
(600 / min) * (2π rad / 1 rev) * (1min / 60seg)
(1200πrad / 60sec) = 20π rad ^ -1
Velocidad angular (w) = 20πrads ^ -1
Velocidad lineal = radio (r) * velocidad angular (w)
Velocidad lineal = (120/100) * 20πrad
Velocidad lineal = 1.2 * 20πrads ^ -1 = 24πrads ^ -1
C.) Período (T):
T = 2π / w = 2π / 20π = 0.1 seg
D.) Frecuencia (f):
f = 1 / T = 1 / 0.1
1 / 0,1 = 10 Hz
Ответ:
! 55 !
write a paragraph or story to explain the transformation between potential and kinetic energy as shown in your picture or model.
you should have at least 5 complete sentences with a main idea and supporting details.
you must include the following words:
potential energy
kinetic energy
mechanical energy
conservation of energy
dude, this is hard lol : ))