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3 years ago

2. Which of the following is not used to calculate kinetic energy?

Physics

2 answers:

Komok [63]3 years ago

4 0

Answer:

speed cannot be used to calculate the temperature

astraxan [27]3 years ago

4 0

Speed :) hope this helps

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When a scientist contrasts two or more objects what is he or she looking for?

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The mass of a planet is 3.7 x 1024 kg. If the planet has a radius of 9.2 x 106 m what is the acceleration of gravity for a perso

nalin [4]

Explanation:

It s given that,

Mass of a planet, $M=3.7\times 10^{24}\ kg$

Radius of a planet, $R=9.2\times 10^{6}\ m$

(1) We need to find the acceleration due to gravity for a person on the surface of the planet. Its formula is given by :

$g=\dfrac{GM}{R^2}$

$g=\dfrac{6.67\times 10^{-11}\ Nm^2/kg^2\times 3.7\times 10^{24}\ kg}{(9.2\times 10^{6}\ m)^2}$

$g=2.91\ m/s^2$

(2) The escape velocity is given by :

$v=\sqrt{\dfrac{2GM}{R}}$

$v=\sqrt{{\dfrac{2\times 6.67\times 10^{-11}\ Nm^2/kg^2\times 3.7\times 10^{24}\ kg}{9.2\times 10^{6}\ m}}$

v = 7324.61 m/s

Hence, this is the required solution.

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3 years ago

Is a pair of scissorrs a lever and wedge?

Ivahew [28]

Answer:

Wedge

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Scissors are a pair of wedges that are combined together.

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2 years ago

A student lifts 100 N of books 1 m to his shoulder. He walks forward

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Hope this will help u.....:)

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3 years ago

Read this article discussing the amount of time that people of various ages and education levels report spending on different te

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The article is not found here but surveys are important because they are representative samples of a population.

<h3>What is a survey?</h3>

A survey is a useful tool based on population samples, which is used to make statistical analyses in a given investigation.

Differences in surveys are generally due to small sample sizes, which may lead to errors in the analysis of data.

In conclusion, the article is not found here but surveys are important because they are representative samples of a population.

Learn more about surveys here:

brainly.com/question/13624055

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