Question: 1. Write a paragraph to explain what a wave is and the main characteristics of waves, to a group of students who have never taken

1. Write a paragraph to explain what a wave is and the main characteristics of waves, to a group of students who have never taken physics. Then identify and describe 2 (two) different ways in which waves can be applied to understanding real life experiences.

2. A car traveling at 100 km/h passes a stopped police car. As it does, it's modified exhaust backfires at a frequency of 678 Hz. The air temperature is 25 0C. Find the apparent frequency of the exhaust backfire sound that the police hears as the car approaches and when the car has passed by and is moving away.

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