Dmitri uses a hand-operated air pump to inflate a small swimming pool for his younger siblings. Name two energy transformations that occurred.

Mechanical energy to elastic energy.

Explanation:

The given condition follows the law of conservation of energy. The energy of the system remains constant at every condition. When Dmitri used a hand-operated air pump to inflate a small swimming pool for his younger siblings, initial she used mechanical energy to pump. Then the mechanical energy is converted to elastic energy. The initial shape of the pool is different from the final shape.

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