920 Consider the waveform in Figure P920. (a) Write an expression for the waveform f t in Figure P920 using a delayed exponential.

9–20 Consider the waveform in Figure P9–20.

(a) Write an expression for the waveform f t ð Þ in Figure P9–20 using a delayed exponential.

(b) Use the time-domain translation property to find the Laplace transform of the waveform f t ð Þ found in part (a).

(c) Verify the Laplace transform found in

(b) by applying the definition of the Laplace transformation in Eq. (9–2) to the waveform f t ð Þ found in (a).

A 0.368A f(t) 0 T2 T 3T2 2Tc 5T/2 3Tc FIGURE P9-20 t