. Si un cuerpo tiene una carga de-3,5 nC. ¿cuántoselectrones tiene en exceso?

Spanish

1 answer:

Ann [662]4 years ago

5 0

Answer:

El cuerpo tiene un exceso de 2,19.10¹⁰ electrones.

Explanation:

El cuerpo tiene un exceso de 2,19.10¹⁰ electrones. Cuando un cuerpo tiene un exceso de electrones significa que le han añadido o extraido electrones a los átomos que forman el cuerpo de alguna manera, por lo tendrá una carga negativa o positiva.

Para saber cuantos electrones se añadieron o sustrajeron al cuerpo, se emplea una regla de tres simple; además del valor de la carga eléctrica de un de un (1) electrón (1,6.10⁻¹⁹C):

# e‐ =3,5.10-⁹C. 1,6.10−191e−= 2,19.10¹⁰ e-

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Drop down Activity Hide details InstructionsSelect the verb that correctly completes each sentence. February 16 11:59 PM (late)

Marat540 [252]

Answer:

Toman, Busco, necesitas, conversas, trabaja, regresamos, ensena, viajan, esperan, compran

1.Nosotras regresamos las seis de la tarde.

2.Muchos estudiantes toman el curso de periodismo.

3.Rosa y Laura no esperan el autobús.

4.Yo busco un libro en la biblioteca.

5.Rebeca y tú compran unas maletas para viajar.

6.La profesora Reyes enseña el curso de español.

Explanation:

In this activity we have to choose which verb from the top matches with the sentences. We have to take into account the conjugation of the verb, as it must match with the Subject of the sentence.

1. Regresamos is the conjugated form of the verb regresar (to return) in Present Indicative 1st person plural Nosotras (we feminine)

"We return at six in the afternoon"

2. Toman is the conjugated form of the verb tomar (to take) in Present Indicative 3rd person plural Ellos (they)

"Many students take the journalism course"

3. Esperan is the conjugated form of the verb esperar (to wait) in Present Indicative 3rd person plural Ellas (they feminine)

"Rosa and Laura don´t wait for the bus"

4. Busco is the conjugated form of the verb buscar (to search) in Present Indicative 1st person singular Yo (I)

"I'm searching for a book at the library"

5. Compran is the conjugated form of the verb comprar (to buy) in Present Indicative 2nd person plural Ustedes (You plural)

"Rebeca and you buy some suitcases to travel"

6. Enseña is the conjugated form of the verb enseñar (to teach) in Present Indicative 3rd person singular Ella (she)

"Professor Reyes teaches the Spanish course."