PhysicsEasy85×since 2002Q8510A travelling wave is described by the equation y(x,t)=[0.05sin(8x−4t)]y(x,t) = [0.05\sin (8x - 4t)]y(x,t)=[0.05sin(8x−4t)] m The velocity of the wave is : [all the quantities are in SI unit]A4 ms−1\mathrm{4~ms^{-1}}4 ms−1B2 ms−1\mathrm{2~ms^{-1}}2 ms−1C8 ms−1\mathrm{8~ms^{-1}}8 ms−1D0.5 ms−1\mathrm{0.5~ms^{-1}}0.5 ms−1Check answerSkip