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klemol [59]
3 years ago
15

On the surface of Earth, a spacecraft has a mass of 2.00 x 104 kilograms. What is the mass of the spacecraft at a distance of on

e Earth radius above Earth's surface?
Physics
1 answer:
natta225 [31]3 years ago
4 0

Answer:

Mass will be same as 2\times 10^4kg

Explanation:

We have given mass of the spacecraft m=2\times 10^4kg kg on te earth

We have to find the the mass of the spacecraft at a distance one earth radius from the surface of earth

As we know that mass is always conserved it does nit depend on the gravity when spacecraft goes above the earth only acceleration due to gravity is change and it has no effect on mass

So mass will remain same

So mass will be 2\times 10^4kg

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Answer:

8 times

Explanation:

Given that You have about 10 quarts of blood in your body. At REST your heart pumps about 5 quarts each minutes.

That means the heart will pump 10 quarts in 2 minutes.

That is half of your blood volume per minute.

If during exercise it can pump 40 quarts per minute, that is, 80 quarts in 2 minutes.

To know how many times does all of your blood complete the cycle around your body during exercise, you must divide 80 quarts by 10 quarts. That is,

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Therefore, your blood complete the cycle around your body 8 times during the exercise.

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A constant force is exerted on a cart that is initially at rest on a frictionless air track. The force acts for a short time int
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<em />

If we force is halved, so is the accleration:

<em>a</em> = <em>F</em> / <em>m</em>   →   <em>a</em>/2 = <em>F</em> / (2<em>m</em>)

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