If is the Laplace transform of f(t) then f(0+) is 0 27 ? .

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Question
If is the Laplace transform of f(t) then f(0⁺) is
Options
A. 0
B.
C. 27
D. ?

Correct Answer

27

Explanation

If is the Laplace transform of f(t) then f(0+) is 0 27 ? .

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Signals and Systems problems

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2. For the discrete time system of the given figure
Options
A. y_k - 0.5 y_k_{- 1} - 0.25 y_k_{- 2} = u_k
B. y_k + 0.5 y_k_{- 1} - 0.25 y_k_{- 2} = u_k
C. y_k - 0.5 y_k_{- 1} + 0.25 y_k_{- 2} = u_k
D. y_k + 0.5 y_k_{- 1} + 0.25 y_k_{- 2} = u_k

5. What about the stability of system in
Options
A. system is stable
B. unstable
C. stable at 0.4
D. cant say

8. The analog signal given below is sampled by 600 samples per second for m(t) = 3 sin 500 pt + 2 sin 700 pt then folding frequency is
Options
A. 500 Hz
B. 700 Hz
C. 300 Hz
D. 1400 Hz

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