Physics - Wave on String Question with Solution | TestHub

PhysicsWave on StringWavesMedium2 minQB

PhysicsMediumnumerical

A wave of amplitude 0.4 mm and frequency 200 Hz travels on a wire under 64 N with speed 80 m/s. Find the average power. (answer in $W$ ).

Answer:

0.10

Solution:

$μ = 64/6400 = 0.01$ kg/m. $P = 0.5 \times 0.01 \times 80 \times (2 π \times 200)^{2} \times (0.4 \times 1 0^{- 3})^{2} = 0.101$ W.

Stream:JEESubject:PhysicsTopic:Wave on StringSubtopic:Waves

⏱ 2mℹ️ Source: QB

Loading discussions...