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Darya [45]
4 years ago
7

When white light is viewed through sodium vapor in a spectroscope the spectrum is continuous?

Physics
2 answers:
morpeh [17]4 years ago
5 0

Answer:

It's continuous except for a pair of dark lines.

They are very close together in the yellow/orange section of the spectrum.

elena-14-01-66 [18.8K]4 years ago
4 0
<span>It's continuous except for a pair of dark lines.
They are very close together in the yellow/orange section of the spectrum.</span>
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the earth has more rotational kinetic energy now than did the cloud of gas and dust from which it formed. where did this energy
goldfiish [28.3K]

Explanation:

Earth or any planet are actually born from huge clouds of gas and dust. Their stellar mass are fairly distributed at a radius from the axis of rotation. Gravitational force cause the cloud to come together. Now the whole gathered in smaller area. Now, individual particles come close to the roational axis. Thus, decreasing the moment of inertia of the planet.

As

I=mr^2

reducing r reduces I. However, the angular moment of the system remains always conserved. So, to conserve the angular momentum the angular velocity of the planet increases and so did the  otational kinetic energy

3 0
3 years ago
A student walks 24 m from her math class and then turns 90° and walks 10 m to her locker, which is directly north of her class.
givi [52]
Add 24 + 10 = 34


Hope i Helped :)


~Aceofdiamonds14
4 0
3 years ago
Read 2 more answers
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Black_prince [1.1K]
What is happening to this sound is that it’s vibrating over and over.
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3 years ago
A 3.0-kilogram mass is traveling in a circle of
dmitriy555 [2]

Answer:

a=20\ m/s^2

Explanation:

Given that,

The mass of an object, m = 3 kg

The radius of a circle, r = 0.2 m

The speed of the object, v = 2 m/s

We need to find the centripetal acceleration. Its formula is given by :

a=\dfrac{v^2}{r}\\\\a=\dfrac{(2)^2}{0.2}\\\\a=20\ m/s^2

So, the centripetal acceleration is 20\ m/s^2.

4 0
3 years ago
A 7.00-kg bowling ball from a 2.00-m shelf. Just before hitting the floor, what will be it’s kinetic energy?
san4es73 [151]

I'm not sure of the numbers sense I dont have a calculator right now. The formula is 1/2*M*V^2.

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3 years ago
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