Ariel Claims That a Pulse Is Described by the Equation

question 36

Multiple Choice

Ariel claims that a pulse is described by the equation
Where x and y are measured in cm and t in s.Miranda says that it is not possible to represent a pulse with this function because a wave must be a function of x + vt or x − vt.Which one,if either,is correct,and why?

• A)Ariel,because x² - 6.0xt + 9t² = (x - 3.0t)².
• B)Ariel,because a pulse is not an infinite wave.
• C)Miranda,because (x - 3.0t)² is the same as (3.0t - x)².
• D)Miranda,because a pulse is not an infinite wave.
• E)Miranda,because is infinite when x = 0.

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