how to calculate total energy?
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The total energy of a system is the sum of kinetic and gravitational potential energy, and this total energy is conserved in orbital motion.
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Total energy is the sum of all different types of energies a body can have.
A body usually has 2 types, kinetic energy and potential energy. Total energy= K.E+P.E
For a spring mass system, if the spring has mass, total energy is K.E+PE+½kx² where k is the spring constant.
A molecule can have Kinetic energy due to it's random motion, potential energy due to it's bonding with other molecules, rotational kinetic energy due to it's rotation. In this case, total energy is the sum of all these.
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