Question

The escape velocity from the Earth’s surface is υ. The escape velocity from the surface of another planet having a radius, four times that of Earth and same mass density is ______.

Options

• 3υ

• 4υ

• υ

• 2υ

Answer 1

The escape velocity from the Earth’s surface is υ. The escape velocity from the surface of another planet having a radius, four times that of Earth and same mass density is 4υ.