Oscillations

Related Questions

• The amplitude of a particle executing SHM is $4 cm$. At the mean position the speed of the particle is $16 cm/sec$. The distance of the particle from the mean position at which the speed of the particle becomes $8\sqrt{3}cm/s,$will be

  ---

• A pendulum of length 2m lift at P. When it reaches Q, it losses 10% of its total energy due to air resistance. The velocity at Q is

  ---

• A pendulum bob has a speed of $3 m/s$ at its lowest position. The pendulum is $0.5 m$ long. The speed of the bob, when the length makes an angle of ${{60}^{o}}$ to the vertical, will be (If $g=10m/{{s}^{2}}$)

  ---

• A body is moving in a room with a velocity of 20 m / s perpendicular to the two walls separated by 5 meters. There is no friction and the collisions with the walls are elastic. The motion of the body is

  ---

• A mass $m =100 gms$ is attached at the end of a light spring which oscillates on a frictionless horizontal table with an amplitude equal to $0.16$ metre and time period equal to $2$ sec. Initially the mass is released from rest at $t = 0$ and displacement $x=-0.16$ metre. The expression for the displacement of the mass at any time $t$ is

  ---