Engineering Board Exam Reviewer · Laplace Transforms · medium

Use the initial value theorem to find f(0+) if F(s)=5s+3/s2+2s+4.

1. 3
2. 0
3. 2.5
4. 5

Answer

D. 5

Solution

f(0+)= s ∞sF(s)= s ∞5s2+3s/s2+2s+4=5.

More Laplace Transforms questions

1. Find the Laplace transform of f(t)= 2t.
2. Find the Laplace transform of f(t)=3t2-4 2t+5.
3. Find the Laplace transform of f(t)=e-t 2t.
4. Find the Laplace transform of f(t)=te2t.
5. Find the Laplace transform of f(t)= 3t.
6. Find the Laplace transform of f(t)=e-2t.
7. Find the Laplace transform of f(t)=t3.
8. Find the Laplace transform of f(t)=1.
9. Find the Laplace transform of f(t)=t.
10. Find the Laplace transform of f(t)=e3t.

All Laplace Transforms questions