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Gravitation: RE-NEET 2026

Easy· Escape Speed or Escape Energy (Escape Speed)· +4 / −1

Two planets

P_1

and

P_2

with equal mass have radii

R_1

and

R_2

, respectively, where

R_2 = \frac{R_1}{2}

. The escape speeds of

P_1

and

P_2

are

v_1

and

v_2

, respectively. Then

\frac{v_2}{v_1}

is:

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