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4 years ago

9

Which planet shown (Venus, Mercury, or Mars) is most likely able to support life now or was able to in the past? Explain your re

asoning.

1 answer:

nadezda [96]4 years ago

8 0

Gfdcbzvzv sh d d u runs eh. Uewneumeu ru

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The engine that moves the cables for the San Francisco cable cars delivers 390.3 kW of power for each line. How long does it tak

Musya8 [376]

Answer:

It would take 16.7 s for the work to be done by the engine.

Explanation:

From the question, given: Power = 390.3 kW

Work to be done = 6.5 x $10^{6}$ J

But, power and work done with respect to time, has a relationship of:

Power = $\frac{work done}{time}$

So that,

time = $\frac{work done}{Power}$

Thus,

time = $\frac{6.5*10^{6} }{390.3*10^{3} }$

= 16.6539

time = 16.7 s

Time required is 16.7 seconds.

Thus, it would take 16.7 s for the work to be done by the engine.

5 0

3 years ago

Does anyone know this?

e-lub [12.9K]

Explanation: The first one
Source: it literally has fusion in the name

5 0

3 years ago

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Match the variables to its definition

MA_775_DIABLO [31]

Answer:

See connections below

Explanation:

1 $\Rightarrow$ b

2 $\Rightarrow$ a

3 $\Rightarrow$ d

4 $\Rightarrow$ i

5 $\Rightarrow$ g

6 $\Rightarrow$ h

7 $\Rightarrow$ c

8 $\Rightarrow$ e

9 $\Rightarrow$ f

4 0

3 years ago

Determine the average distance between the Earth and the Sun. Then calculate the average speed of the Earth in its orbit in kilo

FrozenT [24]

Answer:

The average speed of the Earth in its orbit is 4.74 km/s.

Explanation:

Distance between the Earth and the Sun ,r= 149.60 million km = $149.60\times 10^6 km$

Considering the movement of Earth around the Sun follows circular path.

The circumference of circular path will be give by :

$D=2\pi r=2\times 3.14\times 149.60\times 10^6 km$

Time taken by Earth to complete revolution around earth ,T= 1 year

1 year = 365 days

1 year = 31,536,000 seconds

T = 31,536,000 seconds

Speed of the Earth around the Sun :S

$S=\frac{D}{T}=\frac{149.60\times 10^6 km}{31,536,000 s}$

$S=4.74 km/s$

The average speed of the Earth in its orbit is 4.74 km/s.

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3 years ago

Are oil and water optically different

katovenus [111]

Answer:

Yes

Explanation:

Trust me

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3 years ago

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