ANSWER PLZ: A stone of mass 400 g is lowered into a measuring cylinder containing water. The water level rises from 300 cm3 to 500 cm3. What is the density of the stone?

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Firstly, the water in the dams hold gravitational potential energy as they are above ground level. the gravitational potential energy is then transferred to kinetic energy as it falls, spinning the turbinethe turbine then spins the generator, which is a large magnet surrounded by metal coils. by doing this, the generator generates electricity. in this action, the energy transfer taken place is kinetic to electric energy