2 years ago

Which statement about moons is incorrect?

2 answers:

5 0

Moons never have an atmosphere.

5 0

The obvious question is B

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Dimas [21]

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Explanation:

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DiKsa [7]

Hello :))

Mass is dependent on the inertia of an object:))

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Pachacha [2.7K]

Answer:

Mass, m = 125 kg

Explanation:

Let us assume that the question says, "What is the mass of an object whose velocity is 400 m/s and the kinetic energy of 10⁷ J.

The kinetic energy of an object is :

$K=\dfrac{1}{2}mv^2\\\\m=\dfrac{2K}{v^2}\\\\m=\dfrac{2\times 10^7}{(400)^2}\\\\m=125\ kg$

So, the mass of the object is 125 kg.

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