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trapecia [35]
3 years ago
5

If Earth rotated twice as fast as it currently does, but is motion around the Sun stayed the same, then ____.

Physics
1 answer:
I am Lyosha [343]3 years ago
5 0

I think it will be (B).

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The average distance of the planet mercury from the sun is 0.39 times the average distance of the earth from the sun. How long i
Stels [109]

Answer:

T_1=0.24y

Explanation:

Using Kepler's third law, we can relate the orbital periods of the planets and their average distances from the Sun, as follows:

(\frac{T_1}{T_2})^2=(\frac{D_1}{D_2})^3

Where T_1 and T_2 are the orbital periods of Mercury and Earth respectively. We have D_1=0.39D_2 and T_2=1y. Replacing this and solving for

T_1^2=T_2^2(\frac{D_1}{D_2})^3\\T_1^2=(1y)^2(\frac{0.39D_2}{D_2})^3\\T_1^2=1y^2(0.39)^3\\T_1^2=0.059319y^2\\T_1=0.24y

5 0
3 years ago
A 3.00 kg block moving 2.09 m/s
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Answer:11.64kgm/s

Explanation:

4 0
3 years ago
A dune buggy moves through the hallway at 61.5 cm/s. How far does it travel in 4 minutes?
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Answer:

480.32 foot per second

Explanation:

there is a conversion thing ona famous search engine use that and I just multiple by 4

8 0
3 years ago
Describe how work done is related to a change in volume of a fluid. 100 points
Nookie1986 [14]

Answer: work is the pressure acting through the change in volume

Explanation:

In the same way that work is defined as force operating over a distance,  work is the pressure acting through the change in volume.   Pressure is comparable to force in pressure–volume work, while volume is analogous to distance in the classic definition of work.

4 0
2 years ago
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Define escape velocity ​
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the lowest velocity which a body must have in order to escape the gravitational attraction of a particular planet or other object.

Explanation:

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3 years ago
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