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2 years ago

Which of these diagrams best represents the steps in the formation of the sun?

1 answer:

4 0

The diagram best represents the steps in the formation of the sun is the clouds of gases condense > The clouds rotate at high speed > The clouds flatten into an elliptical disc > The planets are born. The correct option is D.

<h3>What are planets?</h3>

Planets are the large spherical shaped objects that rotate about the Sun in the elliptical orbits.

Planets are shaped from Planetary cloud. The dust storm and gases gathers under its own weight. The dense matter beginnings pivoting at high paces and accumulates more mass. The center structures, the star and rest of it ultimately levels into a curved plate from which planet is formed.

Thus, the correct sequence is D.

Learn more about planets.

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What are 3 ways a car can accelerate? (CRE)

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Answer - There are three ways an object can accelerate: a change in velocity, a change in direction, or a change in both velocity and direction.

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The half-life of a certain radioactive substance is 12 hours. There are 19 grams present initially. a. Express the amount of su

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Answer:

(a) $N=19\times e^{-\lambda t}$

(b) 15 hours

Explanation:

half life, T = 12 hours

No = 19 g

(a) Let N be the amount remaining after time t.

Let λ be the decay constant.

$\lambda =\frac {0.6931}{T}$

The equation of radioactivity used here is given by

$N=N_{o}e^{-\lambda t}$

$N=19\times e^{-\lambda t}$

(b) N = 8 gram

Substitute the values in above equation

$\lambda =\frac {0.6931}{12}$

λ = 0.0577 per hour

So, $8=19\times e^{-0.577t}$

$e^{-0.0577t}=0.421$

Take natural log on both the sides

- 0.0577 t = - 0.865

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3 years ago

A person suffering from anaemia gets tired after a short walk

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Answer:

yes

Explanation:

you will feel weary after shorter times

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4 years ago

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Suppose you have a pendulum clock that keeps correct time on Earth (acceleration due to

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2 years ago

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A parallel plate capacitor is constructed using two square metal sheets, each of side L = 10 cm. The plates are separated by a d

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Answer:

The energy stored is 1.4 x 10^-9 J.

Explanation:

Side of square, L = 10 cm = 0.1 m

Distance, d = 2 mm = 0.002 m

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$U = 0.5 C V^2$

The capacitance is given by

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