Question

A planet having mass $9M_e$ and radius $4R_e$, where $M_e$ and $R_e$ are mass and radius of earth respectively, has escape velocity in km/s given by: (Given escape velocity on earth $V_e= 11.2 × 10^3 m/s$)

• A. 67.2
• B. 33.6
• C. 16.8
• D. 11.2

Answer 1

Answer: (C)

16.8

Answer 2

The correct option is(C):16.8