I think the correct answer from the choices listed above is option A. A certain planet has an escape speed . If another planet has twice size and twice the mass of the first planet, its escape speed will be <span>Sqrt[2] V. Hope this answers the question.</span>
An alpha particle is identical to a helium nucleus ... 2 protons, 2 neutrons. <em>(1)</em>
The answer is in the attachment
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The MA is 6! Hope This Helps!