Questions
The displacement y of a wave travelling in the x direction is given by metre. When x is expressed in metres and t in seconds. The speed of the wave motion in is
detailed solution
Correct option is A
The given equation of wave y=10−4sin(600t-2x+π/3)----(1)Standard equation of wave y=asin(wt-kx+φ)----(2), here angular velocity = w, force constant =kNow comparing equation(1) and (2) we getw=600rads-1,k=2Nm-1Velocity of wave =wk=6002=300ms-1Talk to our academic expert!
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A body executes S.H.M. under the action of a force F1 with a time period 7/6 seconds. If the force is changed to F2 it executes S.H.M. with time period 7/8 seconds. If both the forces F1 and F2 act simultaneously in the same direction on the body, then its time period in seconds is
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