You MUST show all the diagrams, formulas,substitutions, calculations, results, and unit to receive the wholecredit for each problem.

3-  

a) What is the difference between a mechanical wave and anelectromagnetic wave? In complete sentences  

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b) Give one example of each:

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c)What is the difference between a longitudinal and transversewave? In complete sentences.

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d) Give one example of each:

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