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Physics - Wave on String Question with Solution | TestHub

PhysicsWave on StringWavesMedium2 minQB

PhysicsMediuminteger

A transverse wave of amplitude 0.50 mm and frequency 100 Hz is produced on a wire stretched to a tension of 100 N. If the wave speed is 100 m/s, what average power is the source transmitting to the wire? (answer in $mW$ ).

Answer:

Solution:

$μ = T / v^{2} = 0.01$ kg/m. $P = \frac{1}{2} μv ω^{2} A^{2} = 0.5 \times 0.01 \times 100 \times (2 π \times 100)^{2} \times (0.5 \times 1 0^{- 3})^{2} = 0.049$ W.

Stream:JEESubject:PhysicsTopic:Wave on StringSubtopic:Waves

⏱ 2mℹ️ Source: QB

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