The displacement y (in cm) produced by a simple harmonic wave is given by the periodic time and maximum velocity o the particles in the medium will respectively be (a) 10-3 sec and 330 m/s (b) 10-4 sec and 20 m/s (c) 10-3 sec and 200 m/s (d) 10-2 sec and 2000 cm/s.

in a physics laboratory a block x is balanced by a block Y of mass 200 kg,each are suspended from a balance of equal lever arms .the scale pan on X is at a height.H1=2 cm ,where as scale pan on Y is at height 1 cm above the floor.the error in weighing is (in gram)

consider the figure of a single riveted lap joint as follows

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cyclic heat engine operates between. temperature of 30 C. What is the least rate of heat rejection per kW net output of an engine. source temperature of 800 C and sink

 

 

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