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DENIUS [597]
3 years ago
9

CAN SOMEONE PLEASE HELP ME

Physics
1 answer:
s2008m [1.1K]3 years ago
5 0
The answer should be B
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What is meant by cathode rays?<br>what is radio activity and state three of it's effects?<br>​
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1cathode rays plural : the high-speed electrons emitted in a stream from the heated cathode of a vacuum tube

2: a stream of electrons emitted from the cathode of a vacuum tube —usually used in plural

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3 years ago
The orbital motion of Earth around the Sun leads to an observable parallax effect on the nearest stars. For each star listed, ca
Murrr4er [49]

Answer:

Following are the answer to this question:

Explanation:

Formula:

D(PC) =\frac{1}{parallax}\\\\D(av)=D(PC) \times 20.626\ J

Calculating point A:

when the value is 0.38

\to 0.38 \toD(PC)= \frac{1}{0.38}\\\\

                   =2.632

\to D(a.v) = \frac{1}{0.38} \times 206265\\

               =542,802.6

Calculating point B:

when the value is 0.75

\to D(PC)=\frac{1}{0.75}

                =1.33

\to D(a.v) = \frac{1}{0.75} \times 206265\\

             =275,020

Calculating point C:

when the value is 0.28

\to D(PC)=\frac{1}{0.28}

                =3.571

\to D(a.v) = \frac{1}{0.28} \times 206265\\

               =736660.7

Calculating point D:

when the value is 0.42

\to D(PC)=\frac{1}{0.42}

                =2.38

\to D(a.v) = \frac{1}{0.42} \times 206265\\

               =490910.7

Calculating point E:

when the value is 0.31

\to D(PC)=\frac{1}{0.31}

                =3.226

\to D(a.v) = \frac{1}{0.31} \times 206265\\

               =665370.97

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3 years ago
What is specific latent heat mean in simple word?​
Nuetrik [128]

Answer:

Amount of energy required to change the 1kg of a substance without changing its temperature.

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In what climates would you expect soil to form fastest? Why?
enyata [817]

Answer:

Soils develop faster in warm, moist climates and slowest in cold or arid ones. Rainfall is one of the most important climate factors in soil formation.

Please mark me brainliest!

Hope this helped God bless :)

5 0
3 years ago
A lunar eclipse occurs only when the Moon is new. A lunar eclipse occurs only when the Moon is new. True False
Fittoniya [83]

False. False.

A lunar eclipse occurs only when the moon is full.

A solar eclipse occurs only when the moon is new.

7 0
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