Question

-sino is equivelent to :
TT
|
(A) cos
0
+0
2
(B) cos
(C) sin (0 - 1)
(D) sin (Tt +O)
2​

Answer 1

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11th

Physics

Waves

Characteristics of a Progressive Wave

A particle in S.H.M. is des...

PHYSICS

A particle in S.H.M. is described by the displacement function x(t)=acos(ax+θ). If the initial (t = 0) position of the particle is 1 cm and its initial velocity is πcm/s. The angular frequency of the particle is πrad/s,then it's amplitude is

A

1 cm

B

2cm

C

2 cm

D

2.5 cm

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ANSWER

Given,Diplacementfunctionoftheparticleis,x(t)=Acos(ωt+ϕ)x(0)=1cmandv(0)=πseccmdifferentiatingw.r.tot,v(t)=−A(ω)sin(ωt+φ)..........(1)Att=0,x(0)=Aωsin(ϕ)..........(2)v(0)=−Aωsin(ϕ)............(3)Dividing(3)by(2),x(0)

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