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Otrada [13]
3 years ago
8

A device that has the capacity to receive and store electrical energy is a(n)

Physics
2 answers:
kap26 [50]3 years ago
7 0
I think it’s a / capacitor
sergeinik [125]3 years ago
6 0
The answer to your question is capacitor :)
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The products of a chemical reaction can never have greater mass than the reactants
jek_recluse [69]
The answer to this is true
6 0
4 years ago
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What is the momentum of a 91- kilogram ice skater gliding across the ice at a speed of 9 m/s
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5 0
3 years ago
What is the energy of the electron in a helium ion with a charge of +1 in an orbit with a value of n=4?
goldenfox [79]

Answer:

The energy of the electron in a helium ion is -5.44\times10^{-19}\ J

Explanation:

Given that,

Charge = +1

Value of n = 4

Suppose k=2.179\times10^{-18}\ J

We need to calculate the energy of the electron in a helium ion

Using formula of energy

E_{n}=-k\dfrac{z^2}{n^2}

Put the value into the formula

E_{n}=-2.179\times10^{-18}\times\dfrac{2^2}{4^2}

E_{n}=-5.44\times10^{-19}\ J

Hence, The energy of the electron in a helium ion is -5.44\times10^{-19}\ J

8 0
3 years ago
A scientist counts the number of bacteria colonies growing in each of six lab dishes.
Vsevolod [243]

Hi!

The correct answer is: C. It is the data value that appears the most often in the set.

<h3>Explanation</h3>

The mode of a set of values is the number which is the most frequently appearing, or most repeating value in the range. The numbers that show one time each are

A - 16 , C - 25 , D - 3

While 13 appears three times with the dishes labelled

B , E and F

So, the value that appears the most times is 13, and hence 13 is taken as the mode of this data set

<h3>Hope this helps!</h3>
5 0
3 years ago
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