2 years ago

Which element is most likely to carry electric current easily

Physics

2 answers:

Yuri [45]2 years ago

8 0

The answer is tin, the first choice.

Stella [2.4K]2 years ago

6 0

Are there choices?? i dont see any

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Even when shut down after a period of normal use, a large commercial nuclear reactor transfers thermal energy at the rate of 150

Sever21 [200]

Answer: $2.89\approx 2.9^{\circ}C/s$

Explanation:

Given

$Power\left ( P\right )=150 MW$

mass of core $\left ( m\right )=1.60\times 10^5 kg$

Average specific heat $\left ( C\right )=0.3349 KJ/kg^{\circ}C$

And rate of increase of temperature = $\frac{\mathrm{d}T}{\mathrm{d} t}$

Now

P= $mc\frac{\mathrm{d}T}{\mathrm{d} t}$

$150\times 10^6=1.60\times 10^5\times 0.3349\times \frac{\mathrm{d}T}{\mathrm{d} t}$

Thus $\frac{\mathrm{d}T}{\mathrm{d} t}=[tex]\frac{1.60\times 10^5\times 0.3349}{150\times 10^6}$

$\frac{\mathrm{d}T}{\mathrm{d} t}=2.89\approx 2.9^{\circ}C/s$

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3 years ago

What is a highland? (A) An area of high or hilly land (B) A piece of land surrounded by water on three sides (C) A large area of

Karolina [17]

Answer:

Explanation:

A Highland is an area of mountains.

3 0

3 years ago

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2. A body is thrown vertically upward with a speed of 100 m/s.The time taken to be

Pachacha [2.7K]

Answer:

b. 20 sec

Explanation:

y = y₀ + v₀ t + ½ g t²

0 = 0 + (100) t + ½ (-10) t²

0 = 100t − 5t²

0 = t (100 − 5t)

t = 0, t = 20

The body lands after 20 seconds.

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2 years ago

A group of letters used at the start of a word to change its meaning?

Diano4ka-milaya [45]

Answer:

prefix

Explanation:

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3 years ago

How to calculate sound of an echo

bonufazy [111]

by an echo meter

please flw me and thank my answers

#Genius kudi

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2 years ago