A man intakes glucose and then moves a block. The block comes to rest after sliding on a rough floor. The correct order of energy transformation is:

Chemical - Heat - Kinetic

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Chemical - Kinetic - Heat

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Heat - Kinetic - Chemical

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Data insufficient

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Solution

The correct option is B
Chemical - Kinetic - Heat

The man is utilizing the chemical energy present in the glucose. With this energy, he pushes the block and thus provides it kinetic energy. The moving block loses its energy in the form of heat due to rough surface and comes to rest.
The the energy transformation: Chemical energy of glucose - kinetic energy of block - heat energy dissipated.

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