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AP EAMCET202315 May 2023Evening ShiftPhysicsOscillationsActual

As shown in the figure, a block of weight 20 ~N is connected to the top of a smooth inclined plane by massless spring of constant 8 ^2 Nm ⁻¹ . If the block is pulled slightly from its mean position and released, the period of oscillations is (Acceleration due to gravity =10 ~ms ⁻² )

Options

  1. A4 ~s
  2. B3 ~s
  3. C2 ~s
  4. D1 ~s

Correct answer

D. 1 ~s

Step-by-step solution

Weight of block, F =20 ~N Spring constant, K =8 ^2 Nm ⁻¹ aligned & mg =20 m = 20 10 =2 ~kg & = K m = 8 ^2 2 =4 ^2 & 4 ^2 ~T ^2 =4 ^2 ; T =1 ~s aligned Period of oscillations, T =1 ~s

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