Answer:
stars share a gravitational force with the galaxy while nearby galaxies do not share a gravitational field.
Explanation:
stars will not collide because they are bound by a gravitational orbit around the galaxy
This is what it would look like—
Angular velocity = w
Linear velocity = v
Centripetal acceleration = ac
The distance is 20 miles
Explanation:
Definitions:
- Distance is the total length of the path covered by an object during its motion, regardless of the direction of its motion
- Displacement is the shortest distance between the initial and final position of the motion, so it also takes into account the direction of motion
In this problem, we want to know the distance covered by the woman. The motion consists of the following parts:
north
east
south
To find the distance, we just have to add the length of each path, ignoring the direction. Therefore:

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Answer:
D) the difficulty in expanding capacity by adding servers and clients
Explanation:
The limitation of the current Internet are as follows
1.The speed of the internet.When the number of user used the same internet then the speed of the internet decrease.
2.The band with is limited.
3.Continued reliance on cables and wires for connectivity
So the option d is correct.
D) the difficulty in expanding capacity by adding servers and clients
The centripetal acceleration of the space shuttle is
(0.9g)
Explanation:
The period of revolution of the space shuttle is

From the period, we can calculate the angular speed of the space shuttle, which is given by

Now we can calculate the centripetal acceleration of the space shuttle, given by

where
is the angular speed
is the distance of the shuttle from the Earth's centre (it is the sum of the Earth's radius, 6400 km, and of the altitude of the space shuttle, 300 km)
Substituting and solving, we find

And since
, this can be rewritten as

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