Question

The signal $e^{-2t}u(t)$ an energy signal and the total energy is 0.25 Joules a power signal and the average power is 0.25 Watts an energy signal and the total energy is 0.5 Joules a power signal and the average power is 0.5 Watts neither an energy signal nor a power signal none of the above

Name: the signal e 2tut an energy signal and the total energy is 025 joules a power signal and the average power is 025 watts an energy signal and the total energy is 05 joules a power signal and 12472
Uploaded: 2024-08-06T23:18:28-08:00
Duration: 2 min 19 s
Channel: Roee Shalom
Description: the signal e 2tut an energy signal and the total energy is 025 joules a power signal and the average power is 025 watts an energy signal and the total energy is 05 joules a power signal and 12472

          The signal $e^{-2t}u(t)$
an energy signal and the total energy is 0.25 Joules
a power signal and the average power is 0.25 Watts
an energy signal and the total energy is 0.5 Joules
a power signal and the average power is 0.5 Watts
neither an energy signal nor a power signal
none of the above

the signal e 2tut an energy signal and the total energy is 025 joules a power signal and the average power is 025 watts an energy signal and the total energy is 05 joules a power signal and 12472

Added by Aitor B.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Roee Shalom

08/06/2024

Step 1

Therefore, $E = \int_{0}^{\infty} (e^{-2t})^2 dt = \int_{0}^{\infty} e^{-4t} dt = \left[ -\frac{1}{4}e^{-4t} \right]_{0}^{\infty} = 0 - (-\frac{1}{4}) = \frac{1}{4} = 0.25$ Joules. Show more…

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The signal $e^{-2t}u(t)$ an energy signal and the total energy is 0.25 Joules a power signal and the average power is 0.25 Watts an energy signal and the total energy is 0.5 Joules a power signal and the average power is 0.5 Watts neither an energy signal nor a power signal none of the above