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GalinKa [24]
3 years ago
13

What were the first batteries called?

Physics
2 answers:
MrRa [10]3 years ago
7 0
Correct answer is A
Voltaic Piles
Nitella [24]3 years ago
5 0

Answer:

A. Voltaic pile

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Answer:

heat energy is the form of energy produced by heat

when we burn heat a type of enery is came

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3 years ago
Complete the equation to show the radioactive decay of carbon-14 to nitrogen-14
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Answer:

The beta decay takes place.

Explanation:

The reaction of radioactivity of carbon 14 to nitrogen 14 is

There is a beta decay.  

The reaction is

C_{6}^{14}\rightarrow N_{7}^{14}+\beta _{-1}^{0}+ energy

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Any object that has mass and takes up space is considered
sashaice [31]
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According to a college survey, 22% of all students work full time. find the mean for the number of 3) students who work full tim
attashe74 [19]

Assuming that the students worldwide are being considered, because of the extremely large population, this can be considered as a binomial distribution. A normal distribution is used most usually as a fair approximation of the binomial. The mean is the expectation, therefore:<span>
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3 0
3 years ago
6. When adding vectors graphically, the direction and length of each vector must:
Tanzania [10]

Answer:

Not be changed

Option: D

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The physical quantity which has both ‘magnitude and direction’ is called vector. These vectors are represented by a line and an arrow, <em>the line represent the magnitude and arrow represent the direction of the physical quantity</em>. The vectors are added and subtracted according to the direction of the vectors.

According to the vector law addition while adding vectors direction and length of the vector is not be changed.<em> If the length of the vector changed the magnitude is also changed while so, while adding vectors length must not be changed. </em>

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3 years ago
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