You can assume that air resistance and other frictional forces can be ignored in this question

a) Define a datum for the gravitational potential energy of particle P.

b) Write down the gravitational potential energy of particle P at a general point of motion.

c) Write down the kinetic energy of a particle Pat the same instant

d) Determine the potential energy stored n each spring at the same instant.

e) Write down an expression representing the total mechanical energy of the system at the same instant.