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General
Easy
Question
Two graphs of the same harmonic wave are shown below. The graph (1) on the left shows the displacement of wave y, as a function of position x for a given instant of time. The graph (2) on the right shows the displacement of wave as a function ot time 't' for a given position. The speed of the wave is
The correct answer is:
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A block of mass 
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Two identical blocks P and Q have mass m each. They are attached to two identical springs initially unstretched as shown. Now the left spring (along with P) is compressed by A/2 and the right spring (along with Q) is compressed by A. Both the blocks are released simultaneously. They collide and stick to each other. The amplitude of oscillation of combined mass is
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A mechanism consists of a part which is translated with a velocity u and a rod AB of length L and mass M hinged at A. The rod rotates about axis A with angular velocity 
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