SHMHard

Question

One end of a spring of force constant k is fixed to a fixed vertical wall and the other to a block of mass m resting on a smooth horizontal surface. There is another wall at a distance x0 from the block. The spring is then compressed by 2x0 and released. The time taken to strike the wall is :-
       

Options

A.
B.
C.
D.

Solution

       
The total time from A to C
tAC = tAB + tBC = (T/4) + tBC
where T = time period of oscillation of spring mass system
tBC can be obtained from,
BC = AB sin(2π/T)tBC
Putting we obtain tBC =
⇒ tAC =

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