What is the constant a2 in the wave equation * 1 point m/T 2m/T T/m 2T/m Question What is the constant a2 in the wave equation * 1 point m/T 2m/T T/m 2T/m in progress 0 Math Delilah 2 months 2021-08-13T16:06:35+00:00 2021-08-13T16:06:35+00:00 2 Answers 0 views 0

## Answers ( )

Step-by-step explanation:We know that

general equation of wave

y(x,t)=Asin(kx−ωt)

comparing this equation with given equation

1) A=0.005m → amplitude

k=80

ω=3

2) λ=

k

2π

=

80

2π

=(

40

π

)m

3) Time period T=

ω

2π

=

3

2π

sec

frequency f=

T

1

=

2π

3

Hz

4) Displacement at x=0.3m

t=20 sec

y=0.005sin(80×0.3−3×20)

=0.005sin(24−60)=0.005sin(−36)

=0.00495m

y=4.9mm.

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