Question

Q1: True or False:

for an undamped spring/mass system, an external force
must be a sine or cosine function of the correct frequency to produce
linearly increasing amplitudes.

Q2 In the Laplace transform of tf(t),what does the transform involve?

a: ∫{F(s)}ds b.F(s-a) c.d/ds{F(s)}

Q3 is the equation t^2y"+ty'+y=0 a linear or non-linear differential equation?

a.linear b.non-linear

Answer 1

1. True

2. c

3.a