पृथ्वी की सतह के निकट गुरुत्वीय स्थितिज ऊर्जा को किस सूत्र द्वारा दर्शाया जाता है?

Which of the following represents an object possessing kinetic energy?

The total mechanical energy of a system is defined as the sum of its:

A light body and a heavy body have equal momentum. Which one has greater kinetic energy?