Which statements describe elliptical galaxies? Select the two correct answers.

2 answers:

6 0

Elliptical galaxies are galaxies that are shaped like an ellipse. An ellipse is oval in shape, which means elliptical galaxies are oval in shape.

The two correct statements that describe elliptical galaxies are:

B. They are the most common galaxy type.

C. They typically contain very little gas and dust.

Elliptical galaxies are galaxies where you will find little or no gas and dust. The galaxies that are numerous in number are the elliptical galaxies.

In the elliptical galaxy, you can't find any spiral component in it.

Therefore, from the above explanation, we can see that option B and C is the correct option.

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umka2103 [35]3 years ago

5 0

The statements which describes elliptical galaxies are Choice B and Choice C:

They are the most common galaxy type.

They typically contain very little gas and dust.

Elliptical galaxies are the most abundant type of galaxies found in the universe although because of their age and dim qualities, they're frequently outshone by younger, brighter collections of stars

Elliptical galaxies are characterized by the presence of less gas and dust and as such, new shiny stars are not born and the dim nature of elliptical galaxies can be attributed to this.

Ultimately, elliptical galaxies are the oldest and are the most common galaxy type and they typically contain very little gas and dust.

Read more:

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Mrs. Waid drives her car up Route 8 at 80mph. If her car weighs 2500 lbs,

Anvisha [2.4K]

1.358 J is the kinetic energy of the car driven by Mrs. Waid.

Explanation:

Given data:

Velocity at which Mrs. Waid drives her car = 80 mph

In order to convert mph (meter per hour) into mps (meter per second),

$\frac{80}{3600}=0.0222 \mathrm{m} / \mathrm{s}$

Car weighs 2500 lbs, means mass of the car, m = 2500 lbs

I kilo gram = 2.20462 pound

Therefore, 1 pound (lb)= 0.45359237 kilograms (kg).

To converting pounds into kilogram,

$\frac{2500}{0.45359237}=5511.55 \mathrm{kg}$

As we know, the kinetic energy can be defined as directly proportionate to the object’s mass (m) and square of its velocity (v). The expression can be given as below,

$\text { kinetic energy }(K . E)=\frac{1}{2} \times m \times v^{2}$