A block of wood of mass 6 kg and dimensions 50 cm x 20 cm x 20 cm is placed on a table top. Find the pressure exerted if the block lies on the table top with sides of dimension. (i) 50 cm x 30 cm (ii) 30 cm x 20 cm
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A simple harmonic progressive wave is represented by the equation y = 8\sin(0.1x -2t), where x\; \&\; y are in cm and t is in second. At any instant the phase difference between two particles seperated by 2 cm is x- direction is
Option 1) 18\degree Option 2) 36\degree Option 3) 54\degree Option 4) 72\degree
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