# Another

In the Fig , block 2 of mass $$2.0$$ kg oscillates on the end of a spring in SHM with a period of $$20$$ ms. The position of the block is given by $$x (t )= (1.0 cm)\ cos (\omega t + \pi/2)$$ . Block $$1$$ of mass$$4.0$$kg slides toward block $$2$$ with a velocity of magnitude $$6.0$$m/s, directed along the spring’s length.The two blocks undergo a completely inelastic collision at time $$t = 5.0$$ms. (the duration of the collision is much less than the period of motion.) What is the amplitude of the SHM after the collision?

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