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2 years ago

The International Space Station has a mass of 419,455 kg. When the station

1 answer:

4 0

Answer is B
When you use the formula of gravitational force provided by the earth to the ISS from Newton’s universal law of gravitation, (Fg=GMeM/Rt^2), then add all the given data, you will get your answer, but Rt=average distance from the surface of the earth to the ISS + the radius of the earth, since gravitational force is a central force

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A certain type of bird lives in two regions of a state. The distribution of weight for birds of this type in the northern region

Annette [7]

Answer: (a) Z-score are 1 and -1.2 for northern and southern regions, respectively.

Explanation: Z-score is how many standard deviations a data is from the population mean or how far a data point is from the mean.

The z-score is calculated by the following:

$z=\frac{x-\mu}{\sigma}$

where

x is the data point

μ is population mean

σ is standard deviation

For the northern region birds:

μ = 10, σ = 3, x = 13

$z=\frac{13-10}{3}$

z = 1

The z-score for birds living in the northern region is 1, which means it is 1 standard deviation above the mean.

For the southern region:

μ = 16, σ = 2.5, x = 13

$z=\frac{13-16}{2.5}$

z = -1.2

The z-score for southern living birds is -1.2, meaning it is 1.2 standard deviations below the mean.

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3 years ago

Which statement best describes how the temperature of the oceans surface water varies

lorasvet [3.4K]

If the temperature is high there is less water because it evaporates if it is cloudy it is more because it doesn't evaporate

8 0

3 years ago

How many words can be made with five letters

dangina [55]

The last word is gear

6 0

3 years ago

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What are the four forms of matter that waves can travel through?

podryga [215]

Answer:

It can be a solid, liquid, gas,plasma,etc. When waves travel through a medium, the particles of the medium are not carried along with the wave.For example, water waves have to travel in water. Sound waves need a solid, a liquid or a gas to travel in.

8 0

3 years ago

Read 2 more answers

Imagine a box sitting on a shelf. What forces are acting on the box?

mel-nik [20]

In case of an object sitting at rest on another base, there are two equal and opposite forces – Normal force and the gravity.

Answer: Option A

Explanation:

When an object is placed at rest position on another object, there is a force exerted by the surfaces of the two contact objects. This force is denoted as Normal Force.

When an object such as a box is placed on a shelf, its surface exerts a contact force on the base of the shelf- The Normal force directed upward. Meanwhile, the gravity stays at its action and tries to pull the box towards itself.

Both of these forces however are equal and opposite and therefore, there is zero net force on the box. That's why it remains at rest, holding on Newton's third law.

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3 years ago