The equation of a wave is given by- y -7 sin-7 -0-04 -3- where x - y are in meters - t is in seconds- The speed of the wave isA- 175 m - sB- 49 - m - sC- 49 - 2 - m - sD- 49 - - m - s

The correct option is A 175 m/s ω=7π m/k=0.04π rad/m; v=ω/K=7π/0.04π=175 m/s ...

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Standard XII

Physics

Derivation of the Speed of Sound

The equation ...

Question

The equation of a wave is given by, $y = 7 s i n [7 π - 0.04 π + (\frac{π}{3})]$ where x & y are in meters & t is in seconds. The speed of the wave is

175 m/s

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49 π m/s

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49/π m/s

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(49/2π) m/s

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Solution

The correct option is A
175 m/s

$ω = 7 π m / k = 0.04 π r a d / m;$

$v = \frac{ω}{K} = \frac{7 π}{0.04 π} = 175 m / s$

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The equation of a wave is given by, y=7sin[7π−0.04π+(π3)] where x & y are in meters & t is in seconds. The speed of the wave is

The correct option is A 175 m/s ω=7πm/k=0.04πrad/m; v=ωK=7π0.04π=175m/s

The equation of a wave is given by, $y = 7 s i n [7 π - 0.04 π + (\frac{π}{3})]$ where x & y are in meters & t is in seconds. The speed of the wave is

The correct option is A
175 m/s

$ω = 7 π m / k = 0.04 π r a d / m;$

$v = \frac{ω}{K} = \frac{7 π}{0.04 π} = 175 m / s$