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RideAnS [48]
3 years ago
8

Will mark brainliest

Physics
2 answers:
Luba_88 [7]3 years ago
7 0

Answer:

Example 1, m1=100 m2=200

son4ous [18]3 years ago
6 0

Answer:

One 200 is bigger than 100

Explanation:

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Una mujer esta segando su prado con segadora eléctrica cuya cuchilla gira a 1500rpm. La mujer encuentra una zona de hierba alta
maks197457 [2]

Answer:

α= 15.4[rad/s^2], 500 [rev/min]

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La aceleración angular constante esta definida por la siguiente ecuación:

w=w_{0} + \alpha *t\\Donde:\\w=2000 [\frac{rev}{min}]*[\frac{1min}{60s} ] *[\frac{2\pi rad}{1 rev} ]=209.4[\frac{rad}{s} ]\\w_{0} =1500 [\frac{rev}{min}]*[\frac{1min}{60s} ] *[\frac{2\pi rad}{1 rev} ]=157.1[\frac{rad}{s} ]\\t=3.4[s]\\reemplazando:\\209.4-157.1=\alpha *(3.4)\\\\alpha =15.4[\frac{rad}{s^{2} } ]

Para poder llegar a las 2000 [revoluciones /min] estando en 1500 [rev/min], la cuchilla tuvo que incrementar su numero de revoluciones a 500 [rev/min]. Mientras aceleraba.

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