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Anastaziya [24]
3 years ago
5

Which of the following would be the least reliable source of information?

Physics
1 answer:
Ksenya-84 [330]3 years ago
7 0
I'd say a weekly news magazine.
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How long does it take to drive from one end of california to the other?
evablogger [386]

California is the third largest state and the only two bigger states than California are Alaska and Texas so it really depends on how you want to cross it. There are two routes to cross California depending on how you plan your visit and places you need to see. Depending on the route you take crossing California can take from twelve to almost sixteen hours of drive. 

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Discuss the role of global ization in the development of SI unit​
Delvig [45]

Answer:

Sharing of information

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The development of SI unit has helped in the sharing of scientific as well as techical information internationally.

HOPE THIS HELPED

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A wind instrument that produces only odd-numbered standing wave modes has what configuration of its ends?
Luda [366]

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3 years ago
Pluto is now classified as a ________ in our solar system.
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3 years ago
Read 2 more answers
What is the energy released in this B- nuclear reaction 2K-> 2Ca0,e? (The atomic mass of 42 K is 41.962403 u and that of 42Ca
Katyanochek1 [597]

<u>Answer:</u> The energy released in the given nuclear reaction is 3.526 MeV.

<u>Explanation:</u>

For the given nuclear reaction:

_{19}^{42}\textrm{K}\rightarrow _{20}^{42}\textrm{Ca}+_{-1}^{0}\textrm{e}

We are given:

Mass of _{19}^{42}\textrm{K} = 41.962403 u

Mass of _{20}^{42}\textrm{Ca} = 41.958618 u

To calculate the mass defect, we use the equation:

\Delta m=\text{Mass of reactants}-\text{Mass of products}

Putting values in above equation, we get:

\Delta m=(41.962403-41.958618)=0.003785u

To calculate the energy released, we use the equation:

E=\Delta mc^2\\E=(0.003785u)\times c^2

E=(0.003785u)\times (931.5MeV) (Conversion factor: 1u=931.5MeV/c^2 )

E=3.526MeV

Hence, the energy released in the given nuclear reaction is 3.526 MeV.

7 0
3 years ago
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