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Many cell phones vibrate when they receive a call. What energy transformation is happening to make the phone vibrate?A.Light energy to chemical energyB.Electrical energy to kinetic energyC.Electrical energy to light energyD.Thermal energy to elastic energySUBMITarrow_backPREVIOUS

Question

Many cell phones vibrate when they receive a call. What energy transformation is happening to make the phone vibrate?A.Light energy to chemical energyB.Electrical energy to kinetic energyC.Electrical energy to light energyD.Thermal energy to elastic energySUBMITarrow_backPREVIOUS

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Solution

The energy transformation that is happening to make the phone vibrate is B. Electrical energy to kinetic energy.

Here's the step by step explanation:

  1. The cell phone receives a signal that a call is incoming. This signal is a form of electrical energy.

  2. The phone's hardware interprets this signal and sends an instruction to the vibration motor.

  3. The vibration motor, powered by the phone's battery (which stores electrical energy), starts to spin.

  4. The spinning of the motor creates a force which moves the phone. This movement is a form of kinetic energy.

So, the electrical energy from the phone's battery is transformed into kinetic energy which makes the phone vibrate.

This problem has been solved

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