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3 years ago

Why is it important to use democratic method of choosing someone for a position of authority

Physics

2 answers:

juin [17]3 years ago

8 0

Answer:

Explained

Explanation:

It important to use democratic method of choosing someone for a position of authority So that the correct representative of the people gets elected to head the people- so that a person who is thought to be capable enough to govern over people and take the correct decisions may be representative of the people.The voting by majority ensures that the winner represents the idea of a large group of people, and that his election to this position happened in a fair, unforced manner.

dangina [55]3 years ago

4 0

So that the correct representative of the people gets elected to head the people- so that a person who is thought to be capable enough to rule over people and take the correct decisions may be representative to the people.

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A 30 kg male emperor penguin under a clear sky in the Antarctic winter loses very little heat to the environment by convection;

yarga [219]

Answer:

Rate of energy loss by radiation is 28.31 Watt

Explanation:

Given that;

m = 30 kg

power p = 12 W

emissivity e = 0.97

Surface Area A = 0.56 m²

outside of the penguin's body T = −22°C

surroundings Temperature Ts = -38°C

the rate of energy loss by radiation = ?

Now, using Stefan-Boltzmann law;

P = σeA [ T⁴ - Ts⁴ ]

Stefan's constant σ = 5.67 × 10⁻⁸

so we substitute

P = 5.67 × 10⁻⁸ × 0.97 × 0.56 [ (-22 + 273 k)⁴ - (-38 + 273 k )⁴]

= 3.079944 × 10⁻⁸ [ 919325376]

= 28.31 Watt

the rate of energy loss by radiation is 28.31 Watt

8 0

3 years ago

A certain comet has a parallax 1/40 as large as the moon. How far away is it (compared to the Moons distance)? Show Work

Ad libitum [116K]

The distance and parallax are inversely related. We can find the distance using the following equation:

$d= \frac{1}{p}$

where d is distance and p is parallax.

We are given the parallax of the comet relative to the moon, and we are looking for the distance to the comet relative to the moon's distance, so wee can plug in the following value:

$d= \frac{1}{ \frac{1}{40} }$

The distance is 40 times as far away as the moon.

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4 years ago

A mercury manometer is connected on one side to a bulb containing argon, while the other end is open to atmospheric pressure, wh

belka [17]

Answer:

740, mm of Hg

Explanation:

The pressure of argon , in mm of Hg = difference in the level of mercury on either side of the manometer.

mercury column in the open end of the manometer is 22 mm below that in the side connected to the argon and 762 mmHg, end is open to atmospheric pressure.

therefore, The pressure of argon , in mm of Hg =762 -22 = 740, mm of Hg

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3 years ago

Human perception of the frequency of sound waves is called:

Olin [163]

Answer:

The study of the human perception of sound is called psychoacoustics.

Explanation:

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3 years ago

The period of a pendulum is the time it takes for the pendulum to make one full back-and-forth swing. The period of a pendulum

mixer [17]