= 0,04 cos The equation of e stationary wave 4 [204 Sin 2 t Cloot) n. What is the length of one toop?
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Answer:
Correct answer is 10 cm
5, 10
Given,
y=4sin(
5
πx
)cos(100πt)
Standing wave equation y=4sin(kx)cos(ωt)
On compare both, k=
λ
2π
=
5
π
λ=10 cm.
Nodes at
2
nλ
(0, 1, 2 ...)
Second node (n=1),
2
λ
=
2
10
=5cm
Third node (n=2),
2
2λ
=
2
2×10
=10cm
Step-by-step explanation:
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