Two spherical planets P and Q have the same uniform density p masses Mp and Mo and surface areas A and 4A respectively A

Question

Two spherical planets P and Q have the same uniform density p masses Mp and Mo and surface areas A and 4A respectively A spherical planet R also has uniform density p and its mass is Mp Mo The escape velocities from the plates P Q and R are Vp Vo and VR respectively The A B VRVQ Vp VR 3 Vp C VQ VR VP DI Vp 1

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