Explain the benefits of understanding sound waves properties in real life.

The vibrations from sound waves cause our ears to send signals to our brains to create sound. The speed of sound waves will determine the sound's pitch, or how high or low something sounds. Sound waves are important because they allow us to hear important messages and emergency signals to protect ourselves.

Explanation:

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electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.