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Quiz 8 solutions - y(t T = 1 envelope slope = 2 2tcos ω t...

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Name______________________ Quiz 8 No calculators are permitted for this quiz. 1. Plot the following function vs. t, from t = 0 to +5, y(t) = 2 4 t cos( ω t) for f = 1. 2 4 t cos( ω t) = 2t cos( ω t) The cosine has a time-dependent amplitude, here a linear function of t. -10 -8 -6 -4 -2 0 2 4 6 8 10 -5 -4 -3 -2 -1 0 1 2 3 4 5 t (sec)
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