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Two springs with negligible massess and force constant of `k_(1)= 200 Nm^(-1)` and `k_(2)=160Nm^(-1)` are attached to the block of mass m = 10kg as shown in the figure. Initially the block is at rest at the equilibrium position the block is at rest at the equilibrium position ir. Which both springs are neither stretched nor compressed. At time t = 0, sharp impulse of 50 N-s is given to the block in horizontal direction.

A

period of oscialltions for the mass m is `(pi/6)` s

B

maximum velocity of the mass m during its oscillation is `10ms^(-1)`.

C

maximum velocity is 6m/s

D

amplitude of oscillations is `5/6`m.

Text Solution

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The correct Answer is:
D
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