6.20 A 4-m-long stretched string with a = 20 m/s
is fixed at each end.
(c) For u(x, 0) = 0.1 sin πx/4 and ∂u/∂t(x, 0) =
10 sin πx/4, what are the arbitrary constants?
What is the maximum displacement
value umax(x, t), and where does it
occur?
6.20 A 4-m-long stretched string with a = 20 m/s is fixed at each end. (c) For u(x, 0) = 0.1 sin πx/4 and ∂u/∂t(x, 0) =
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6.20 A 4-m-long stretched string with a = 20 m/s is fixed at each end. (c) For u(x, 0) = 0.1 sin πx/4 and ∂u/∂t(x, 0) =
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