Engineering Board Exam Reviewer · Laplace Transforms · medium

Find the Laplace transform of f(t)= 2t.

1. 1s2 + 1
2. 2s2 + 4
3. 2s ≤ft(s2 + 4 )
4. 1s ≤ft(s2 + 4 )

Answer

C. 2s ≤ft(s2 + 4 )

Solution

2t=1- 2t/2, so L 2t= 12≤ft( 1s-s/s2+4 )= 12·4/s(s2+4)=2/s(s2+4).

More Laplace Transforms questions

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

All Laplace Transforms questions