y1 =5/(a x - b t)2 + 2
and
y2 =-5/(a x + b t - 6)2 + 2
where a = 4.4 m-1 and b = 4.2 s-1.
A) At what time do the two cancel?
Answer in units of s.
B) At what point do the two waves always cancel?
Answer in units of m.
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