Given mass of the moon is 1/81 of the mass of the earth and corresponding radius is 1/4 of the earth. If escape velocity on the earth surface is 11.2 km / s , the value of same on the surface of the moon is Given mass of the moon is 1/81 of the mass of the earth and corresponding radius is 1/4 of the earth. If escape velocity on the earth surface is 11.2 km / s the value of same on the surface of the moon is September 18, 2020 Category: Arihant Physics by D.C Pandey , Chapter 10 - Gravitation , Volume 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related