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MrMuchimi
2 years ago
14

Which of the following statements is not true about electric current in a metal wire?.

SAT
1 answer:
Vesna [10]2 years ago
5 0

Answer: If the options were these :

A)The average current is directly proportional to several factors including the number of mobile electrons per unit volume in the wire

B)The average current is directly proportional to several factors including the average acceleration of the electrons

C)Electrons are slowed due to collisions with metal atoms

D)Choose this answer if all of the statements are true

E)To have a current there must be an electric field inside the conductor

Explanation: The correct answer is B

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The barry family invited 100 relatives to their christmas party. 90 guests had italian heritage, 80 had german heritage and 75 h
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The minimum number of people who claimed ancestry from all three heritages is :   45

Given that there are 100 relatives

let's assume that 1 relative = 1 room

100 relatives = 100 rooms

Number of relatives with Italian heritage = 90

Number of relatives with German heritage = 80

Number of relatives with swiss heritage = 75

<u>Step 1 : </u>

Fill up the first 90 rooms with Italian heritage relatives

Fill up the remaining 10 rooms with 10 Relatives with German heritage

<u>Step 2 :</u>

Distribute the remaining 70 relatives with German heritage into 70 rooms out of the 90 rooms already occupied by the relatives with Italian heritage

<u>Step 3: </u>

Distribute the 75 relatives with swiss heritage into the 20 rooms occupied by Italian heritage relatives only and<em> </em><u><em>45 rooms</em></u><u><em> occupied by both </em></u><u><em>German and Italian relatives</em></u><u><em> </em></u>and into the 10 rooms occupied by the German heritage relatives  

Therefore we can conclude that the minimum number of people who claimed ancestry from all three heritages is : 45

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2 years ago
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explica, con un ejemplo, por lo menos cinco cualidades positivas de ti mismo (de tu carácter, mentales, en el terreno de las rel
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Answer:

Un cualidad en mi caracter es la templanza. Me cuido mucho de lo que vaya a comer. La segunda cualidad positiva mental es que lo que me propongo logro. En el terreno de las relaciones tengo dos. Por ejemplo con mis padres soy bueno hijo y con mi amiga siempre dispuesto de ayudar. En mi grupo de escuela me conocen como una persona amable. Finalmente, en la iglesia yo soy el que ayuda a los ancianos.

Explanation:

One quality of my character is temperance. I take good care of what I am going to eat. The second positive mental quality is whatever I set to accomplish, I will accomplish. In the personal relationships arena, I have two. For example, I am a good son with my parents and my friend I help her in whatever she may need. Within my school, people know me as amicable. Finally, in my church, I help the elderly.

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Write a scientific explanation describing if the night sky looks the same all year.
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Answer:

The night sky is different at different times of the year. You see different constellations every now and then. This change is due to the motion of the Earth in its orbit around the Sun. Each day a few stars are visible in the east that were not visible the night before.

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