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What is the primary cause of the warmth produced when water is stirred vigorously in a mixer?
What is the primary cause of the warmth produced when water is stirred vigorously in a mixer?
What happens to the mechanical energy of the hammer when a nail is hammered into a log of wood?
What happens to the mechanical energy of the hammer when a nail is hammered into a log of wood?
In scooters, buses, and cars, what form of energy is converted into mechanical energy by the engine?
In scooters, buses, and cars, what form of energy is converted into mechanical energy by the engine?
What sensation does heat cause according to the passage?
What sensation does heat cause according to the passage?
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