Consider a continuous time signal, x(t) = ∑ Ai 5 i=1 cos(2πFi t + θi), consisting of a sum of sinusoidal signals of frequencies
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Answer:
a) 665 kg.m/s
b) 2.97 kN
Explanation:
The impulse is given by:
where
va=velocity after
vb=velocity before
The velocity just before is given by:
The velocity just after is zero because there wasn't a rebound.
So the impulse is:
The impulse is also given by: