Suppose the A key above Middle C is played as a pure tone. For this tone, P(t)
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Suppose the A key above Middle C is played as a pure tone. For this tone, P(t) = 0.002 sin9880πt), where P(t) is the change of pressure (in pounds per square foot) on a person’s eardrum at time t (in seconds).
(a) Graph this function on [0, 0.003].
(b) Determine analytically the values of t for which P = 0 on [0, 0.003] and check graphically.
(c) Determine the period T of P(t) and the frequency of the A note.
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a b Since the sine function is zero for multiples of we can determine the values s of t where P ...View the full answer
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