Test Academy | The escape velocity for a planet is vₑ . A tunnel is dug along a diameter of the planet and a small body is dropped into it at the surface. When the body reaches the centre of the planet, its speed will be vₑ, vₑ/√2, vₑ/2, Zero

Question

The escape velocity for a planet is vₑ . A tunnel is dug along a diameter of the planet and a small body is dropped into it at the surface. When the body reaches the centre of the planet, its speed will be

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vₑ
vₑ/√2
vₑ/2
Zero

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