
FISICA
Authored by Marina C
Physics
4th Grade
Used 3+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
UN CUERPO CIRCULA CON M.C.U A UNA VELOCIDAD DE 120 km/h, SI EL RADIO DEL CUERPO ES DE 0.6m. HALLAR SU VELOCIDAD TANGENCIAL EN m/seg Y LA VELOCIDAD ANGULAR EN rad/seg Y r.p.m.
15677 rev/min
1665 rev/min
NINGUNO
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
CALCULAR LA ACELERACION NORMAL O CENTRIFUGA DE UN AUTO QUE DA VUELTAS EN UNA PISTA CIRCULAR DE 20m, DE RADIO, CON UNA VELOCIDAD CONSTANTE DE 10m/seg
5m/seg2
9m/seg2
NINGUNO
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
SI EL MOTOR DE UNA LICUADORA GIRA A 20 r.p.s; SE APAGA Y SE DETIENE EN 5seg. CUANTAS REVOLUCIONES REALIZO HASTA EL MOMENTO EN QUE SE DETUVO?
76 REVOLUCIONES
880 REVOLUCIONES
NINGUNO
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
CALCULAR LA ACELERACION ANGULAR DE UNA VUELTA QUE TIENE COMO RADIO 8m Y QUE AUMENTA SU VELOCIDAD UNIFORMEMENTE DE 30m/seg A 70m/seg EN 20seg.
0.25 rad/seg2
0.15 rad/seg2
NINGUNO
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
UN MOTOR VARIA SU VELOCIDAD ANGULAR DE 50 r.p.m A 130 r.p.m. EN 10 SEG. CALCULAR PARA ESTE TIEMPO EL NUMERO DE VUELTAS.
6.8 REV.
2.5 REV.
NINGUNO
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